Aspectos clinicoepidemiológicos de adultos con guía anterior de la oclusión dentaria disfuncional

Introducción: Los dientes anteriores tienen una función predominante en el sistema estomatognático, esencial para la estética, la fonación y la masticación. Objetivo: Caracterizar a los adultos con guía anterior de la oclusión dentaria disfuncional según variables clínicas y epidemiológicas. Métodos: Se realizó un estudio descriptivo y transversal, desde octubre de 2021 hasta abril de 2022, en la Clínica Estomatológica Docente 3 de Octubre de Las Tunas. El universo estuvo conformado por 825 historias clínicas que contenían el diagnóstico de pacientes con bruxismo, oclusión traumática y trastornos temporomandibulares, quienes presentaban disfunción de la guía anterior de la oclusión dentaria. Mediante el muestreo no probabilístico intencional, fue seleccionada una muestra de 615 con fórmula dentaria íntegra o desdentamiento parcial de clase III de Kennedy y atención estomatológica concluida o inactivación de los procesos de caries e inflamatorios agudos. Resultados: Primaron el sexo femenino (54,8 %) y las edades de 40-49 años (33,5 %). El bruxismo prevaleció como diagnóstico clínico (41,9 %) con predominio del correspondiente al sueño (39,1 %), el secundario (51,2 %), el probable (59,7 %) y el moderado (69,4 %); entre sus clasificaciones más relevantes se destacó el sistema estomatognático disfuncional (84,4 %). Las manifestaciones clínicas dentarias predominantes fueron las facetas de desgaste (87,5 %). Conclusiones: La caracterización de los pacientes con guía anterior de la oclusión dentaria disfuncional permite establecer una panorámica actualizada de esta problemática de salud para un mejor seguimiento y tratamiento a dichos pacientes.

Introduction: Anterior teeth have a predominant function in the stomatognatic system, essential for the aesthetics, phonation and mastication. Objective: To characterize adults with anterior guide of dysfunctional dental occlusion according to clinical and epidemiological variables. Methods: A descriptive and cross-sectional study, was carried out from October, 2021 to April, 2022, in the 3 de Octubre Teaching Stomatological Clinic from Las Tunas. The universe was formed by 825 medical records that contained the diagnosis of patients with bruxism, traumatic occlusion and temporomandibular disorders who presented anterior guide of the dysfunctional dental occlusion. By means of the intentional non probabilistic sampling, a sample of 615 with entire dental formula or class III partial toothlessness of Kennedy and concluded stomatologic care or inactivation of the cavity and acute inflammatory processes was selected. Results: There was a prevalence of the female sex (54.8%) and the 40-49 age group (33.5%). Bruxism prevailed as clinical diagnosis (41.9%) with prevalence of the corresponding to sleep (39.1%), secondary (51.2%), probable (59.7%) and moderate (69.4%); among the most outstanding classifications was the dysfunctional stomatognatic system (84.4%). The predominant dental clinical manifestations were the wear facets (87.5%). Conclusions: The characterization of patients with anterior guide of the dysfunctional dental occlusion allows to establish an up-to-date panoramic of this health problem, for a better follow-up and treatment to these patients.

Guía de práctica clínica para la atención a niños y adolescentes con enfermedad renal crónica

La enfermedad renal crónica constituye un problema de salud por su impacto sobre los individuos, la sociedad y la economía. Teniendo en cuenta lo anterior, y luego de una amplia búsqueda bibliográfica, se diseñó una guía de práctica clínica en el Policlínico Luis Augusto Turcios Lima de la provincia de Pinar del Río, dirigida a los profesionales de la atención primaria de salud, con el objetivo de mejorar la calidad de vida de niños y adolescentes con dicha enfermedad. Esta fue elaborada por los métodos de la medicina basada en la evidencia, según el consenso y la opinión de los expertos. Se logró generalizar esta herramienta, emitir recomendaciones y actualizarla acorde con las nuevas evidencias médicas. Finalmente, resultó evaluada por los expertos como muy recomendada.

Chronic renal disease constitutes a health problem due to its impact on individuals, society and economy. Taking into account the above-mentioned, and after a wide literature search, a clinical practice guide was designed in Luis Augusto Turcios Lima Polyclinic from Pinar del Río province, directed to primary health care professionals, aimed at improving the life quality of children and adolescents with this disease. It was elaborated by medicine methods based on the evidence, according to the consent and opinion of experts. It was possible to generalize this tool, give recommendations and up to date according to the new medical evidences. Finally, it was evaluated by experts as very recommended.

Accuracy of digital guided implant surgery: expert consensus on nonsurgical factors and their treatments / 口腔疾病防治

@#The standardized workflow of computer-aided static guided implant surgery includes preoperative examination, data acquisition, guide design, guide fabrication and surgery. Errors may occur at each step, leading to irreversible cumulative effects and thus impacting the accuracy of implant placement. However, clinicians tend to focus on factors causing errors in surgical operations, ignoring the possibility of irreversible errors in nonstandard guided surgery. Based on the clinical practice of domestic experts and research progress at home and abroad, this paper summarizes the sources of errors in guided implant surgery from the perspectives of preoperative inspection, data collection, guide designing and manufacturing and describes strategies to resolve errors so as to gain expert consensus. Consensus recommendation: 1. Preoperative considerations: the appropriate implant guide type should be selected according to the patient's oral condition before surgery, and a retaining screw-assisted support guide should be selected if necessary. 2. Data acquisition should be standardized as much as possible, including beam CT and extraoral scanning. CBCT performed with the patient’s head fixed and with a small field of view is recommended. For patients with metal prostheses inside the mouth, a registration marker guide should be used, and the ambient temperature and light of the external oral scanner should be reasonably controlled. 3. Optimization of computer-aided design: it is recommended to select a handle-guided planting system and a closed metal sleeve and to register images by overlapping markers. Properly designing the retaining screws, extending the support structure of the guide plate and increasing the length of the guide section are methods to feasibly reduce the incidence of surgical errors. 4. Improving computer-aided production: it is also crucial to set the best printing parameters according to different printing technologies and to choose the most appropriate postprocessing procedures.

Clinical application of perforator vessel location guide plate for fibular musculocutaneous flaps / 口腔疾病防治

Objective@#Based on 3D printing technology, explore the precision of a perforator vessel location guide plate for fibular musculocutaneous flaps before the transplantation of fibular osteocutaneous flaps and evaluate its application effects.@*Methods@#This study was reviewed and approved by the ethics committee, and informed consent was obtained from the patients. From May 2019 to October 2022, 14 patients with jaw defects who needed to undergo fibular perforator flap transplantation at the First Affiliated Hospital of Xinjiang Medical University were selected. For the seven patients in the guide plate group, CTA was combined with Mimics software to reconstruct both lower limbs, and the perforator vessel positioning guide for locating perforator vessels was designed; the two ends of the guide plate were designed as fixed ends, with the upper end fixed to the knee joint and the lower end fixed to the ankle joint, and the guide plate was fabricated by a 3D printer. For the seven patients in the control group, a conventional handheld Doppler probe was used for perforator vessel location. The average operation time, bleeding volume, recovery time, deviation of perforator vessel location, postoperative flap-related complications, postoperative donor site shape satisfaction, and lower extremity functional scale (LEFS) score were recorded. SPSS 25.0 software was used for statistical analysis.@*Results@#The average operation time, bleeding volume, recovery time, deviation of perforator vessel location and postoperative donor site shape satisfaction were significantly better in the guide plate group than in the control group (P<0.05); moreover, the differences in postoperative flap-related complications and LEFS scores were not statistically significant (P>0.05).@*Conclusion@#Based on 3D printing technology, fibular musculocutaneous flap perforator vessels can be more accurately located using a guide plate and the knee and ankle as fixed points, and this method can effectively stabilize the guide position, prevent soft tissue offset, and improve positioning accuracy and thus deserves to be generalized.

A guide for systematic reviews of observational studies / Guía para revisiones sistemáticas de estudios observacionales / Guia para revisão sistematica de estudos observacionais

ABSTRACT Objective: to describe a guide for the development of systematic reviews of observational studies and systematization of international guidelines and tools, focusing on diverse evidence for innovation and clinical practice. Method: this theoretical-conceptual study was initiated during the development of a systematic review with meta-analysis of observational studies, using international guidelines and tools. Results: a guide was constructed to develop systematic reviews of observational studies. Diverse information about several stages and requirements for conducting a systematic review based on international guidelines and tools was systematized, aiming to ensure scientific rigor in manuscripts written by professionals from the health area. Conclusion: this study contributes to research in the health area by innovatively synthesizing guidance on the systematic review method and approaches. The references herein used serve as a starting point for understanding the procedures and international tools necessary for a systematic review of observational studies.

RESUMEN Objetivo: describir una guía para desarrollar revisiones sistemáticas de estudios observacionales y sistematizar pautas y herramientas internacionales, concentrándose en evidencias para la innovación y la práctica clínica. Método: este estudio teórico-conceptual se inició mientras se desarrollaba una revisión sistemática con metaanálisis de estudios observacionales en la que se utilizaron directrices y herramientas internacionales. Resultados: se elaboró una guía para desarrollar revisiones sistemáticas de estudios observacionales. Se sistematizó diversa información sobre varias etapas y requisitos para realizar una revisión sistemática basada en directrices y herramientas internacionales, con el objetivo de garantizar el rigor científico en los manuscritos redactados por profesionales del área de salud. Conclusión: este estudio representa un innovador aporte a la investigación en el área de salud porque sintetiza las pautas sobre el método y los enfoques de las revisiones sistemáticas. Las referencias utilizadas en este trabajo son un buen punto de partida para comprender los procedimientos y las herramientas internacionales necesarios para una revisión sistemática de estudios observacionales.

RESUMO Objetivo: descrever um guia para o desenvolvimento de revisões sistemáticas de estudos observacionais, sistematização de orientações e ferramentas internacionais, com foco em evidências para inovação e prática clínica. Método: este estudo teórico-conceitual foi iniciado durante o desenvolvimento de uma revisão sistemática com metanálise de estudos observacionais em que foram usadas diretrizes e ferramentas internacionais. Resultados: foi construído um guia para desenvolver revisões sistemáticas de estudos observacionais. Foram sistematizadas informações sobre várias etapas e requisitos para realizar revisão sistemática pautada em diretrizes e ferramentas internacionais, visando rigor científico nos manuscritos redigidos por profissionais da área da saúde. Conclusão: este estudo é uma contribuição à pesquisa na área da saúde que inova ao sintetizar a orientação sobre o método e abordagens de revisão sistemática. As referências aqui usadas são um ponto de partida para compreender os procedimentos e ferramentas internacionais necessários a uma revisão sistemática de estudos observacionais.

O guia brasileiro de atividade física: análise a partir da concepção ampliada de saúde / The brazilian guidelines to physical activity: analysis from the expanded conception of health / La guía brasileña de actividad física: análisis desde la concepción ampliada de la salud

Trata-se de uma pesquisa de caráter documental, com abordagem descritiva e exploratória, com o objetivo de analisar o conteúdo do Guia de Atividade Física para a População Brasileira (GAFPB) a partir da concepção ampliada de saúde. As categorias identificadas foram: Bem-estar e qualidade de vida; Socialização e fortalecimento de vínculos; Autonomia e empoderamento; Participação Social; Ampliação do acesso e complexidades envolvidas. Já as ausências foram: o conceito de saúde no qual o GAFPB foi baseado; associação a um profissional específico; questões relacionadas a populações vulneráveis. Em conclusão, foi possível identificar a presença da concepção ampliada de saúde no GAFPB ao observar o questionamento do privilégio da dimensão biológica e do caráter impositivo e normativo de intervir, se aproximar do debate sobre o desenvolvimento humano e pela relativização do enfoque na quantidade de atividades físicas que deve ser realizada.

This is documentary research with a descriptive and exploratory approach, the objective was to analyze in a categorical-thematic way the content of the Physical Activity Guidelines for the Brazilian Population (GAFPB) based on the expanded conception of health. The categories identified were: Well-being and quality of life; Socialization and strengthening of bonds; Autonomy and empowerment; Social Participation; Expansion of access and complexities involved. The absences were the presentation of the concept of health on which the GAFPB was based; association with a specific professional; issues related to vulnerable populations. In conclusion, it was possible to identify the presence of the expanded conception of health in the GAFPB by questioning the privilege of the biological dimension and the imposing and normative character of intervening, approaching the debate on human development and relativizing the focus on the amount of physical activities that must be performed.

Se trata de una investigación documental con abordaje descriptivo y exploratorio, el objetivo fue analizar de forma categórica-temática el contenido de la Guía de Actividad Física para la Población Brasileña (GAFPB) a partir de la concepción ampliada de la salud. Las categorías identificadas fueron: Bienestar y calidad de vida; Socialización y fortalecimiento de vínculos; Autonomía y empoderamiento; Participación social; Ampliación de acceso y complejidades involucradas. Las ausencias fueron la presentación del concepto de salud en el que se basó la GAFPB; vinculación con un profesional específico; temas relacionados con las poblaciones vulnerables. En conclusión, fue posible identificar la presencia de la concepción ampliada de la salud en el GAFPB al cuestionar el privilegio de la dimensión biológica y el carácter imponente y normativo de intervenir, acercándose al debate sobre el desarrollo humano y relativizando el enfoque en la cantidad de actividades físicas deben ser realizadas.

Confecção de guia multifuncional para planejamento de reabilitação implantossuportada: relato de caso / Preparation of a multifuncional guide for the planning of implant-supported rehabilitations: case report / Elaboración de una guía multifuncional para la planificación de rehabilitación implantosoportada: informede caso

Introdução:Em busca da estética e da função mastigatória,é cada vez mais crescente aprocurapor reabilitações implantossuportadas. O guia multifuncional surgepara orientar a disponibilidade óssea e contribuir no planejamento da instalação tridimensional dos implantes, seguindo os princípios do planejamento reverso.Objetivo:Descrever, por meio de um caso clínico, a possibilidade de obtenção de resultados de excelente previsibilidade em coroas unitárias implantossuportadas, por meio do uso de guias multifuncionais, no planejamento do início ao fim de tratamento.Relato decaso:Paciente A.M.F, 44 anos, sexo feminino, compareceu à clínica de Prótese dentária do Departamento de Odontologia/UFRN com queixa de insatisfação da sua prótese removível e harmonia do sorriso. Ao exame clínico e radiográfico, observou-se ausência do elemento 12, apresentando um espaço interoclusal de 5mm e distância médio-distal de 7mm. Foi confeccionado o guia em resina acrílica, o qual foi preenchido o espaço desdentado com um dente de estoque. Em seguida, o dente deste guia teve seu centro perfurado com uma broca esférica para peça reta na região de cíngulo e com isso, preenchida com guta percha em bastão. Após isso, o paciente foi encaminhado para realizar uma tomografia computadorizada cone beam com o guia multifuncional em posição.As imagens obtidas permitiram o planejamento para instalação do implante, como inclinação e posicionamento favorável, bem como ausência de disponibilidade óssea na região. Além disso, o guia funcionou em outras etapas do tratamento da paciente, como na fase provisória.Conclusão:Os guias auxiliam em diversas fases do tratamento e permitem maior previsibilidade dos resultados em reabilitações protéticas unitárias implantossuportadas, apresentando-se como um dispositivo promissorpara ocorreto posicionamento do implante (AU).

Introduction:In search of esthetics and improved masticatory function, the demand for implant-supported rehabilitation is increasing. Multifunctional guides emerge to assess bone availability and help plan the three-dimensional installation of implants, following the principles of reverse planning. Objective:To describe, through a clinical case, the possibility of obtaining excellent predictability in implant-supported single crowns, through the use of multifunctional guides, inthe planning of a treatment from beginning to end. Case report:Patient A.M.F, 44 years old, female, came to the Prosthodontics clinic at the Department of Dentistry/UFRN complaining of dissatisfaction with her removable prosthesis and the harmony of her smile. Clinical and radiographic examination revealed the absence of element 12, with an interocclusal space of 5mm and a mid-distal distance of 7mm. The acrylic resin guide was made and the edentulous space was filled with a stock tooth. The center of theguide tooth was then drilled with a spherical straight-bit burr in the cingulum region and filled with gutta-percha stick. The patient was then referred for a cone beam computed tomography with the multifunctional guide in position. The images obtained allowed planning for implant installation, such as favorable inclination and positioning, as well as the absence of bone availability in the region. In addition, the guide was effective during other stages of the patient's treatment, such as the provisional phase.Conclusion:The guides assist in various phases of treatment and allow greater predictability of results in implant-supported single prosthetic rehabilitations, presenting themselves as a promising device for correct implant positioning (AU).

Introducción:En busca de estética y función masticatoria, la demanda de rehabilitaciones implantosoportadas es cada vez mayor. La guía multifuncional hasurgido para orientar la disponibilidad ósea y ayudar a planificar la instalación tridimensional de implantes, siguiendo los principios de la planificación inversa. Objetivo: Describir, a través de un caso clínico, la posibilidad de obtener una excelente predictibilidad en coronas unitarias implantosoportadas, mediante el uso de guías multifuncionales, en la planificación desde el início hasta el final del tratamiento. Informe de caso: Paciente A.M.F, 44 años, sexo femenino, compareció a la clínica de Prostodoncia del Departamento de Odontología/UFRN quejándose estar insatisfecha con su prótesis removible y con la armonía de su sonrisa. El examen clínico y radiográfico reveló la ausencia del elemento 12, con un espacio interoclusal de 5 mm y una distancia medio-distal de 7 mm. Se confeccionó una guía de resina acrílica y se rellenó el espacio edéntulo con un diente provisorio. A continuación, se perforó el centro del diente guía con una broca recta esférica en la región del cíngulo y se le rellenó con gutapercha en barra. Posteriormente, el paciente fue remitido a una tomografía computarizada cone beamcon la guía multifuncional en posición. Las imágenes obtenidas permitieron planificar la instalación del implante, como inclinación y posicionamiento favorables, así como la ausencia de disponibilidad ósea en la región. La guía también funcionó en otras fases del tratamiento del paciente, como en la fase provisional. Conclusión:Las guías ayudan en varias fases del tratamiento y permiten una mayor previsibilidadde los resultados en rehabilitaciones protésicas unitarias implantosoportadas, presentándose como un dispositivo prometedor para el correcto posicionamiento de los implantes (AU).

Elaboração de um guia sobre saúde vocal infantil / Elaboration of a guide on children's vocal health / Elaboración de una guía sobre salud vocal infantil

Introdução: Materiais educativos sobre cuidados com a voz dão apoio no atendimento clínico e prevenção de disfonia, entretanto, são escassos. Portanto, este estudo objetivou elaborar e avaliar um guia sobre saúde vocal infantil para pais e crianças. Descrição: A elaboração do guia abrangeu: Levantamento Bibliográfico nas bases de dados Biblioteca Virtual em Saúde (BVS) e Público/editora MEDLINE (PubMed); Escrita dos temas; Organização/escrita dos conteúdos/referências; Seleção de imagens. Estruturação do guia: Produção da voz; Sinais/sintomas mais comuns de alterações vocais; Causas dos distúrbios vocais infantis; Consequências do distúrbio vocal infantil; Profissionais envolvidos no diagnóstico e tratamento; Mito e Verdade sobre voz; Como prevenir o distúrbio vocal infantil; Atividades amigas da voz. A avaliação foi em grupo focal, via Google Meet, com três juízes mestrandos em Fonoaudiologia, que discutiram qualitativamente estética, conteúdo e organização. A discussão foi coordenada pela coorientadora e as indicações, realizadas por consenso entre os juízes: Estética - ajustar local das referências, elaborar jogo de trilha, uniformizar desenhos/cores e criar mascote; Conteúdo - material relevante, diminuir textos, adequar a linguagem para crianças, usar links/QR-Code para informações extras e acrescentar orientações para professores; Organização - tópicos em ordem hierárquica, conteúdo relacionado ao tema e separar assuntos por capítulos. Considerações Finais: Foram apontadas mudanças, porém, os juízes ressaltaram a importância deste material na clínica fonoaudiológica e na promoção de saúde vocal. O grupo focal foi importante para a primeira avaliação do guia. (AU)

Introduction: Educational materials on voice care support in clinical care and dysphonia prevention, however, are scarce. Therefore, this study aimed to elaborate and evaluate a guide on child vocal health for parents and children. Description: The elaboration of the guide covered: Bibliographic Survey in the databases Biblioteca Virtual em Saúde (BVS) and MEDLINE Public/Publisher (Pubmed); Themes writing; Organization/writing of the contents/references; Selection of images. Structure of the guide: Voice production; Most common signs/symptoms of vocal disorders; Causes of voice disorders in childhood; Consequences of voice disorders in childhood; Professionals involved in diagnosis and treatment; Myth and Truth about voice; How to prevent vocal disorder in childhood; Voice-friendly activities. The evaluation was in a focus group, via Google Meet, with three Master Judges in Speech Therapy, who discussed qualitatively aesthetics, content and organization. The discussion was coordinated by the co-supervisor and the following recommendations were consensus among the judges: Aesthetics - adjust location of references, elaborate track game, standardize drawings/colors and, create mascot; Content -relevant material, decrease texts, tailor language for children, use/QR-Code links for extra information and, add guidance for teachers; Organization - topics in hierarchical order, content according to theme and separate subjects by chapters. Final Considerations: Improvements were pointed out, however, the judges emphasized the importance of this material in the speech therapy clinic and vocal health promotion. The focus group was important for the guide's first evaluation. (AU)

Introducción: Los materiales educativos sobre cuidados con la voz dan apoyo en la atención clínica y prevención de la disfonía, sin embargo, son escasos. Por lo tanto, este estudio tuvo como objetivo elaborar y evaluar una guía sobre salud vocal infantil para padres e hijos. Descripción: La elaboración de la guía abarcó: Levantamiento Bibliográfico en las bases de datos Biblioteca Virtual en Salud (BVS)/MEDLINE Público/Editor (PubMed); Escritura de los temas; Organización/escritura de los contenidos/referencias; Selección de imágenes. Estructuración de la guía: Producción de la voz; Signos/síntomas más comunes de alteraciones vocales; Causas de los trastornos vocales infantiles; Consecuencias del trastorno vocal infantil; Profesionales involucrados en el diagnóstico y tratamiento; Mito y Verdad sobre voz; Cómo prevenir el trastorno vocal infantil; Actividades amigas de la voz. La evaluación fue en grupo focal, vía Google Meet, con tres jueces maestres en Fonoaudiología, que discutieron cualitativamente estética, contenido y organización. La discusión fue conducida por la coordinadora y las indicaciones, realizadas por consenso entre los jueces: Estética - ajustar lugar de las referencias, elaborar juego de pista, uniformizar dibujos/colores y crear mascota; Contenido - material relevante, disminuir textos, adecuar el lenguaje para niños, usar links/QR-Code para informaciones extras y añadir orientaciones para profesores; Organización - tópicos en orden jerárquico, contenido relacionado al tema y separar asuntos por capítulos. Consideraciones Finales: Se señalaron cambios, sin embargo, los jueces resaltaron la importancia de este material en la clínica fonoaudiológica y en la promoción de salud vocal. El grupo focal fue importante para la primera evaluación de la guía. (AU)

Student’s perception of creative study guide posters in pharmacology: The Kurukshetra model

Background: One of the major challenges for pharmacology teachers is how to capture students’ interests and engage them in the subject, to create an engaging and enjoyable learning process. “Creative study guide posters” is one such novel educational tool that can help achieve these goals. Aims and Objectives: The authors tried to recreate visual artwork in the subject of pharmacology to engage students and at the same time make learning easy and fun-filled. Materials and Methods: In this study, 2nd year medical students participated and prepared creative study guide posters on antimicrobials and microbes in the form of two armies. On the one hand, antimicrobial drugs depicted the good army, consisting of the name of the drug, drug group, and mechanism of action, while on the other hand, the microorganisms depicted the evil army, consisting of the names of the common microbes, representing the battle of Kurukshetra as in the Indian epic of Mahabharata. Results: The majority of the students found this model interesting and useful for revising antimicrobials. About 82.3% of students agreed that their concepts of antimicrobials improved after this activity. About 86.46% of students believed that this model would foster interactive learning. Only 65.63% of students felt that the traditional methods of revising topics were better than this activity. Conclusion: Creative instruction encourages students to think independently, paricipate actively, and express themselves freely. Creative study guide poster activities help with better student engagement, reinforcing concepts, and better retention than just passing information passively in classrooms.

Computer-simulated osteotomy based on health-side combined with guide plate technique in treatment of cubitus varus deformity in adolescents / 中国修复重建外科杂志

OBJECTIVE@#To explore the feasibility and early effectiveness of computer-simulated osteotomy based on the health-side combined with guide plate technique in the treatment of cubitus varus deformity in adolescents.@*METHODS@#The clinical data of 23 patients with cubitus varus deformity who met the selection criteria between June 2019 and February 2023 were retrospectively analyzed. There were 17 males and 6 females, ranging in age from 4 to 16 years with an average of 8.5 years. The time from injury to operation was 1-4 years. The angle of distal humerus rotation was defined by humeral head posterior inclination angle using low radiation dose CT to scan the patient's upper extremity data at one time, and the preoperative rotation of the distal humerus on the affected side was (33.82±4.39)°. The CT plain scan data were imported into 9yuan3D digital orthopaedic system (V3.34 software) to reconstruct three-dimensional images of both upper extremities. The simulated operation was performed with the healthy upper extremity as the reference, the best osteotomy scheme was planned, overlapped and compared, and the osteotomy guide plate was prepared. The patients were followed up regularly after operation, and the formation of callus in the osteotomy area was observed by X-ray examination. Before and after operation, the carrying angle of both upper extremities (the angle of cubitus valgus was positive, and the angle of cubitus varus was negative) and anteversion angle were measured on X-ray and CT images. At the same time, the flexion and extension range of motion of elbow joint and the external rotation range of motion of upper extremity were measured, and Mayo score was used to evaluate the function of elbow joint.@*RESULTS@#The operation time ranged from 34 to 46 minutes, with an average of 39 minutes. All patients were followed up 5-26 months, with a mean of 14.9 months. All the incisions healed by first intention after the operation; 2 patients had nail path irritation symptoms after Kirschner wire fixation, which improved after dressing change; no complication such as breakage and loosening of internal fixators occurred after regular X-ray review. Continuous callus formed at the osteotomy end at 4 weeks after operation, and the osteotomy end healed at 8-12 weeks after operation. At last follow-up, the carrying angle, anteversion angle, external rotation range of motion, and extension and flexion range of motion of the elbow joint of the affected side significantly improved when compared with preoperative ones ( P<0.05). Except for the extension range of motion of the healthy elbow joint ( P<0.05), there was no significant difference in other indicators between the two sides ( P>0.05). At last follow-up, the Mayo elbow score was 85-100, with an average of 99.3; 22 cases were excellent, 1 case was good, and the excellent and good rate was 100%.@*CONCLUSION@#Computer-simulated osteotomy based on health-side combined with guide plate technique for treating cubitus varus deformity in adolescents can achieve precise osteotomy, which has the advantages of short operation time and easy operation, and the short-term effectiveness is satisfactory.

Clinical decision making of implant guidance methods guided by new classification of surgical area mouth ope-ning / 华西口腔医学杂志

When selecting implant guidance methods or judging whether the patient can be implanted, many doctors ignore or only use visual inspection to estimate a patient's mouth opening. This phenomenon often leads to failure to complete the implantation due to insufficient mouth opening or the deflection of the implant due to limited angle, resulting in the high incidence of corresponding complications. The main reason is that doctors lack accurate analysis and control of the overall geometric conditions of the intraoral surgical area, and three-dimensional position blocking of surgical instruments occurs during the operation. In the past, mouth opening was defined as the distance between the incisor edges of the upper and lower central incisors when the patient opens his mouth widely, and the implant area could be in any missing tooth position. When it is in the posterior tooth area, the specific measurement scheme of the mouth opening could not be simply equivalent to the previous measurement method in the anterior tooth area. However, how to measure quickly and conveniently the mouth opening of any surgical area to determine whether it could be implanted and meet the needs of the selected guidance method remains unclear. This paper introduces new concepts, establishes new classification and corresponding accurate measurement scheme of implant area, and establishes a decision tree of implant methods guided by the actually measured value. Results provide a quantitative basis for rational formulation and implementation of implant treatment.

Clinical application of a digital positioning guide template during the extraction of maxillary wholly impacted supernumerary teeth / 口腔疾病防治

Objective@#To evaluate the clinical efficacy of positioning guide templates for maxillary wholly impacted supernumerary teeth to provide technological solutions for clinical applications. @*Methods @#After approval by the hospital ethics committee and informed consent given by the patients. Data from 136 patients with maxillary wholly impacted supernumerary teeth from January 2016 to April 2022 were analyzed retrospectively. The patients were divided into two groups according to the usage of the positioning guide template. The experimental group included patients using the positioning guide template (71 cases), and the control group did not use the positioning guide template (65 cases). The operation time and complications were statistically analyzed to evaluate the clinical efficacy after surgery. @*Results @# All operations were successfully completed. The average operation time in the experimental group was (21.5 ± 3.4) min, significantly shorter than that in the control group (27.2 ± 4.9) min. There were statistically significant differences between the experimental and control groups (t = 7.599, P<0.001). One week after the operation, there were no complications in the experimental group, and there were 2 cases of adjacent tooth injury and 3 cases of gingival numbness in the control group.@* Conclusion @# A digital positioning guide template can effectively shorten the time of maxillary wholly impacted supernumerary teeth extraction and is an effective means to assist clinical maxillary wholly impacted supernumerary teeth extraction.

Application of 3D printing percutaneous guide plate in closed reduction and cannulated screw internal fixation of femoral neck fracture / 中国骨伤

OBJECTIVE@#To investigate the application of 3D printing percutaneous surgical guide plate in closed reduction and cannulated screw internal fixation of femoral neck fracture.@*METHODS@#The clinical data of 12 patients with femoral neck fracture from March 2019 to March 2022 were retrospectively analyzed. Patients were divided into observation group and control group according to different operation plans, with 6 cases in each group. The observation group received percutaneous operation guide plate assisted closed reduction and hollow screw internal fixation, while the control group received closed reduction and hollow compression screw internal fixation. The operation time, intraoperative blood loss, fluoroscopy times, and Kirschner needle puncture times were compared between two groups. The location of screws were recordedon postoperative X-ray films, follow-up time, time of complete fracture healing, Harris score of hip joint and the incidence of complications were recorded on postoperative X-ray films.@*RESULTS@#The operation time of observation group (32.17±6.18) min was shorter than that of control group (53.83±7.31) min (P<0.05). The amount of intraoperative bleeding in the observation group (18.33±2.94) ml was less than that in the control group (38.17±5.56) ml(P<0.05). The times of fluoroscopy in the observation group (7.50±1.05) were less than those in the control group (21.00±4.82) (P<0.05). The number of Kirschner needle punctures (8.00±0.63) in observation group was less than that in control group (32.67±3.08) (P<0.05). The follow-up time was(12.88±0.74) months in observation group and (12.83±0.72) months in control group, there was no significant difference between two groups (P>0.05). One year after operation, Harris score of hip joint in the observation group was(82.00±4.52) points, while that in the control group was(81.00±3.41) points, there was no significant difference between two groups(P>0.05). The time of complete fracture healing in the observation group was (7.50±1.05) months, while that in the control group was (7.67±1.21) months, there was no significant difference between two groups(P>0.05). The parallelism of the screws in the observation group was (0.50±0.11) ° and (0.76±0.15) °, which were lower than that in the control group (1.57±0.31) ° and (1.87±0.21) ° (P<0.05). The screw distribution area ratio (0.13±0.02) cm2 in the observation group was higher than that in the control group (0.08±0.01) cm2 (P<0.05). No complications such as necrosis of femoral head, nonunion of fracture, shortening of femoral neck and withdrawal of internal fixation occurred in both groups.@*CONCLUSION@#The application of 3D printing percutaneous surgical guide plate improves the accuracy and safety of closed reduction and cannulated screw internal fixation for femoral neck fracture. It has the advantages of minimally invasive, reducing radiation exposure, fast and accurate, shortening the operation time and reducing intraoperative bleeding.

Review of Research Advances in Medical Service Robotics / 中国医疗器械杂志

With the progress of science and technology and the increase of clinical demand, medical robots have developed rapidly and played a important role in promoting the medical cause. Service robot is a branch of medical robot, which is mainly oriented to medical service and assistance needs, and has been applied in many medical scenarios and achieved demonstration effects. This research first describes the development of medical service robots, and then summarizes the key technologies and clinical applications of robots. Finally, it points out the challenges and directions that medical service robots face at present, and puts forward prospects for their further development in the medical field.

Application of improved 3D digital guide plate-assisted guided puncture in microballoon compression for primary trigeminal neuralgia / 口腔疾病防治

Objective @#To investigate the clinical efficacy and application value of an improved 3D-printed guide plate for the treatment of primary trigeminal neuralgia (PTN) by percutaneous microballoon compression (PMC). @*Methods @# This prospective study included 42 patients with primary trigeminal neuralgia treated at the Department of Stomatology, Xuzhou Central Hospital, from September 2019 to January 2022. The group was divided by the random number table method into the experimental group (adopting 3D printing technology to make guide plates to guide the puncture, 22 cases) and the control group (adopting the traditional Hartel anterior approach to position the puncture, 20 cases). The intraoperative success rate of the first puncture, puncture time, operative time, radiation exposure of patients and postoperative complications were compared between the two groups. Postoperative Barrow Neurological Institute Scale (BNI) scores, facial numbness, diminished corneal reflexes and chewing weakness were recorded. The t-test, rank-sum test and chi-square test were used for statistical analysis, with P<0.05 indicating a statistically significant difference. @*Results @#The experimental group was significantly better than the control group in terms of the success rate of the first puncture (χ2 = 21.51, P<0.001), puncture time (Z = -5.51, P<0.001), operative time (t = 9.37, P<0.001), and the number of C-arm scans (Z = -4.59, P<0.001). Postoperative BNI scores of the experimental group included 21 cases of grade Ⅰ (91.5%) and 1 case of grade Ⅱ, while the control group included 17 cases of grade Ⅰ (85.0%), 2 cases of grade Ⅱ (10.0%) and 1 case of grade Ⅲ (5.0%), with no statistical significance (P>0.05). In the experimental group, 16 patients had postoperative masseter weakness, 1 had keratitis and 10 had perilabial herpes, while in the control group, 18 patients had postoperative masseter weakness, 2 had keratitis, 11 had perilabial herpes and 1 had monocular blindness. There was no significant difference in postoperative complications between the two groups (P>0.05). At 12 months of follow-up, there was no recurrence in either the experimental or control group. @* Conclusions @#3D digital guide plate-guided percutaneous microballoon compression for primary trigeminal neuralgia can improve the accuracy and safety of puncture to a certain extent, obviously shorten the operation time, reduce radiation exposure of the patients, improve the success rate of the operation, meaning it has a high clinical application value.

Multi-disciplinary treatment of severe palatal radicular groove of maxillary lateral incisor: A case report and literature review / 中南大学学报(医学版)

Palatal radicular groove is a developmental malformation of maxillary incisors, lateral incisors in particular, which often causes periodontal destruction. This paper reports a case of combined periodontal-endodontic lesions induced by palatal radicular groove, which was initially misdiagnosed as a simple periapical cyst. After root canal therapy and periapical cyst curettage, the course of disease was prolonged, resulting in the absence of buccal and maxillary bone plates in the affected tooth area. After the etiology was determined, the affected tooth was extracted and guide bone tissue regeneration was performed at the same time, followed by implantation and restoration at the later stage, leading to clinical cure. The palatal radicular groove is highly occult, and the clinical symptoms are not typical. If the abscess of the maxillary lateral incisor occurs repeatedly, and the abscess of the maxillary lateral incisor has not been cured after periodontal and root canal treatment, cone-beam computed tomographic and periodontal flap surgery should be considered.

Design and validation of a surgical guide for the retrieval of foreign body instruments in jaw / 解剖学报

Objective To design and validate a novel surgical guide for retrieval of foreign body in jaw. Methods Firstly, a surgical guide based on cone beam computed tomography and trephine technique was designed to remove broken dental instrument fragments. Its feasibility and accuracy were assessed by removing broken dental instrument in goat mandible, and then it was successfully applied in clinical cases. The linear and angular discrepancies between actual and planned columnar bone with imaginary fragment was analyzed. The euclidean distance was measured at the hex and apex of the columnar bone and the angle of axis deviation was also calculated. We obtained seven parameters (cdh, cda, hdh, hda, vdh, vda, and ad) to describe deviations. Results Mean central deviation at the hex and apex was (0.51 ± 0.14) mm and (0.62 ± 0.19) mm, respectively. Accompanying mean values were as follow: horizontal deviation at the hex was (0.48 ± 0.16) mm, horizontal deviation at the apex was (0.52 ± 0.22) mm, vertical deviation at the hex was (0.17 ± 0.09) mm, vertical deviation at the apex was (0.29 ± 0.13) mm, and angular deviation of (5.38 ± 3.43) degrees. In a clinical case, the guide successfully located and removed the fracture file. Conclusion This study reveals that this kind novel surgical guide could aid to locate and remove the foreign body in jaw.

From "Empirical Surgery" to "Precision Surgery": establishment and clinical application of precision orthognathic surgery system / 华西口腔医学杂志

Orthognathic surgery, which involve osteotomy and repositioning of the maxillomandibular complex, has recently emerged as a crucial method of correcting dentofacial deformities. The optimal placement of the maxillomandibular complex holds utmost significance during orthognathic surgery because it directly affects the surgical outcome. To accurately achieve the ideal position of the maxillomandibular complex, with the rapid advancements in digital surgery and 3D-printing technology, orthognathic surgery has entered an era of "Precision Surgery" from the pervious "Empirical Surgery." This article provides comprehensive insights into our extensive research and exploration of the treatment modality known as "precision orthognathic surgery" over the years. We also present the technical system and application in"Ortho+X" treatment modality to offer valuable references and assistance to our colleagues in the field.

Simultaneous implantation and tooth preparation technology guided by 3D-printed guide / 华西口腔医学杂志

Using digital technologies in concurrently performing missing tooth implantation and preparation of remaining teeth is a solution to reduce the number of visits and improve efficiency. This paper proposes a digital process for simultaneously implanting and preparing teeth. It integrates implant surgical guide and 3D-printed tooth preparation guide into a single guide and completes guided implant placement and precise tooth preparation. Based on "repair-oriented" virtual implant planning, the implant surgical guide can improve the efficiency and predictability of implant placement, and its linear accuracy is about 1 mm. The tooth preparation guide precisely guides tooth preparation and restoration space visualization, ensuring the quality of the tooth preparation. The two guides have different design accuracy requirements, and thus their combination improves the overall guiding accuracy requirements. The concurrent application of the two guides minimizes the clinical operation time, number of visits, and economic burden of patients.

Associação entre consumo de marcadores alimentares, orientação nutricional e número de refeições em usuários da ESF / Association between consumption of food markers, nutritional counseling and number of meals in FHS users

Resumo Introdução: O número de refeições/dia tem sido associado a uma alimentação saudável, mas há controvérsias sobre a direção dessa associação. A orientação nutricional, estratégia essencial para construção de estilos de vida saudáveis na população atendida pela Estratégia Saúde da Família, pode ser fundamental nessa relação. Objetivo: Verificar se o consumo regular de marcadores alimentares está associado ao número de refeições diárias e ao recebimento de orientação nutricional. Método: Estudo transversal realizado com usuários da Estratégia Saúde da Família de um município gaúcho. Consumo regular de marcadores alimentares e características nutricionais (número de refeições/dia e recebimento de orientação nutricional) foram avaliados por aplicação de questionário. A associação entre características nutricionais e consumo regular de marcadores alimentares foi analisada utilizando-se regressão de Poisson. Resultados: Dos 529 indivíduos analisados, 2/3 referiram realizar de três a quatro refeições/dia e 30% afirmaram ter recebido orientação nutricional. A frequência de consumo regular de marcadores alimentares variou de 1,7% para frituras a quase 60% para feijão. Indivíduos que receberam orientação nutricional apresentaram menor prevalência de consumo regular de doces e refrigerantes (RP=0,64; IC95% 0,43-0,97). Número de refeições/dia foi positivamente associado ao consumo de lácteos; frutas e hortaliças; frituras, embutidos e salgados. Para os dois últimos grupos, observou-se associação apenas para quem não recebeu orientação nutricional. Conclusões: Os resultados sugerem que consumo regular de marcadores alimentares se associa com recebimento de orientação nutricional e número de refeições.

Abstract Background: The number of meals/day has been associated with a healthy diet, but there are controversies about the direction of this association. Nutritional counseling, an essential strategy for building healthy lifestyles in the population served by the Family Health Strategy (FHS), can be fundamental in this relationship. Objective: To verify whether the regular consumption of food markers is associated with the number of daily meals eaten and receiving nutritional counseling. Method: Cross-sectional study carried out with users of the Family Health Strategy in a city in the state of Rio Grande do Sul, Brazil. Regular consumption of food markers and nutritional characteristics (number of meals/day and receiving nutritional counseling) were assessed by applying a questionnaire. The association between nutritional characteristics and regular consumption of food markers was analyzed using Poisson regression. Results: Of the 529 individuals analyzed, 2/3 reported having three to four meals/day and 30% stated they had received nutritional counseling. The frequency of regular consumption of food markers ranged from 1.7% for fried foods to almost 60% for beans. Individuals who received nutritional counseling had a lower prevalence of regular consumption of sweets and soft drinks (PR=0.64; 95%CI 0.43-0.97). Number of meals/day was positively associated with dairy consumption; fruits and vegetables; fried foods, sausages and pastries. For the last two groups, an association was observed only for those who did not receive nutritional counseling. Conclusions: The results suggest that regular consumption of food markers is associated with receiving nutritional counseling and number of meals.