A comparative study of conventional and Hall techniques of crown placement using finite element stress analysis

Background: Hall technique of crown placement causes the changes in vertical occlusal dimension; the mode of settlement of which needs to be explored. Aim: To assess and compare the changing patterns of stress distribution following placement of stainless steel crowns on primary teeth by Hall and conventional techniques using a finite element model analysis. Materials and Methods: The clinical crown heights of primary molars restored with Hall and conventional techniques and opposing teeth in contact, vertical dimension changes in the primary canine area were measured using intraoral digital scan. T-scan was used to measure the changes in bite force while the finite element analysis was used to assess deformative changes on the 2nd, 5th, 10th, and 15th days. Results: The Hall technique of crown placement caused more stress distribution in the tooth supporting tissues that settled in 2 weeks as compared with conventional technique of crown placement in which settlement occurred in 2 days. Conclusion: The settling of vertical occlusal dimension as well as stress distribution in Hall technique probably takes place by intrusion of crowned tooth and opposing teeth in contact.

Full-mouth rehabilitation with vertical dimension increase and computer tomography guided implant surgery in patient with excessive worn dentition and multiple loss of tooth / 대한치과보철학회지

Excessive wear causes many complications when untreated, so that accurate diagnosis, analysis and predictive treatment plan should be made, and through evaluation of vertical dimension and stepwise treatment, a stable inter-arch relationship can be set. For the long-term success of implant treatment, ideal position and angle of implant is important, and its importance increases especially in multiple implant cases. Therefore, thorough diagnosis and planning, accurate surgery and prosthodontic procedures are significant. In this case, a 68-year-old male patient with a loss of vertical dimension due to multiple tooth loss and overall tooth wear was planned with systematic analyses from the pre-treatment stage to rehabilitate vertical dimension. Full-mouth fixed rehabilitation with computer tomography guided implant surgery was performed to the newly set vertical dimension and attained satisfactory outcomes both functionally and esthetically.

Full mouth rehabilitation using orthodontic treatment and implants in patient with collapsed occlusion: A case report / 대한치과보철학회지

The distance between the natural teeth and the implants is an important factor in preserving the periodontal tissues and esthetics. And abnormal positional displacement and tilting of the teeth during restorative procedure may require intentional root canal treatment and may affect masticatory function. This report is to present a successful full mouth rehabilitation of a patient with uneven dentition and collapsed occlusion using orthodontic and implant treatment. The patient had no symptoms or discomfort of temporomandibular joint disorder such as pain or sound. The orthodontic treatment was continued until implant provisional prosthesis delivery. And the vertical height of occlusion was elevated 2mm on anterior basis for anterior teeth protection and esthetics. After the orthodontic treatment, the implant abutments and natural teeth were finally restored with porcelain-fused-to-metal crowns and bridges. Satisfactory function and esthetic outcomes are observed after 6months of follow up.

Full mouth rehabilitation in a patient with reduced vertical dimension due to numerous tooth loss and excessie worn dentition: A case report / 대한치과보철학회지

As digital dentistry technology is being developed, it is being used in various ways. This case covers how digital dentistry technology is being applied on the treatment of patients with loss of vertical dimension due to worn dentition and multiple loss of teeth. The loss of vertical dimension was carefully assessed and recovered, and implants were placed with surgical guides, designed considering the final restoration. The movement of the mandibular was measured with the electronic instrument for recording mandibular movement. Wax-up process was done with Naturgemäße Aufwachs-Technik (N.A.T.) and Natural functional reconstruction (N.F.R.). It was scanned, and the provisional restoration was fabricated using Computer-Aided-Design/Computer-Aided-Manufacturing (CAD/CAM) technology, and the adjustment process was done at the clinic to meet with the satisfaction both functionally and esthetically, and then, using double scanning and CAD/CAM technology, it was carried out as a final restoration. As a result, the patient obtained satisfying results, utilizing the benefits of digital dentistry technology and traditional methods.

Computer-aided design and manufacturing-based full mouth rehabilitation for a patient with excessive attrition and restricted vertical dimension: A case report / 대한치과보철학회지

This study reported the treatment of a patient with excessive worn dentition and limited maxillo-mandibular space for restoration, utilizing the computer-aided design and computer-aided manufacturing (CAD/CAM) technology. After the thorough examination of the patient's occlusal vertical dimension (OVD), full mouth rehabilitation was planned with increase of the OVD. The patient was satisfied with the provisional restorations establishing the increased OVD. The horizontal and vertical data of the patient's jaw relation that the provisional restorations contained were transferred to the definitive metal ceramic fixed prostheses by double scanning and three-dimensional printing. After the fixed restorations were cemented to the abutments, electronic surveying and three-dimensional printing were used to fabricate metal frameworks for the patient's removable partial dentures. The mandibular definitive removable prostheses were delivered to the patient's mouth and the full mouth rehabilitation procedures were completed. The digital technologies used for this case produced fixed and removable restorations satisfactory in masticatory, phonetic and aesthetic functions to both the patient and the dental clinician.

Controle da DTM no planejamento de reabilitação bucal: relato de caso / TMD control in the oral rehabilitation: case report

A disfunção temporomandibular (DTM) é definida como uma disfunção de origem multifatorial que acomete os músculos mastigatórios, ATM e as estruturas associadas. Casos de reabilitação oral em pacientes com disfunção são cada vez mais frequentes nas clínicas odontológicas, exigindo assim, meios criteriosos de diagnostico, planejamento e tratamento. Entretanto, a maioria dos casos requer tratamentos complexos que demandam uma condição fisiológica adequada e um custo relativamente alto para a realidade desses pacientes. Este trabalho se propõe através de um caso clinico apresentar e discutir as etapas clinicas de diagnostico, planejamento e execução de reabilitação protética em participante com DTM e alteração da dimensão vertical de oclusão. Foi proposto um tratamento visando melhorar a qualidade de vida da paciente com a devolução da função mastigatória, estética, fonética e harmonia facial através de um método conservador, reversível e de baixo custo. Após o controle da DTM, optou-se pela instalação de uma prótese parcial removível não convencional retidas com attachment Ball e suportadas por remanescentes dentários que receberam copings curtos. Anteriormente à instalação da prótese definitiva, adotamos o uso de PPRs provisórias para que se verificasse a adaptação da DVO previamente à reabilitação permanente. Ao final do tratamento a paciente demonstrou-se satisfeita com os resultados que devolveu a condição de normalidade ao sistema estomatognático. Em decorrência disso, percebemos que o uso de PPR provisória é uma ótima opção nos casos em que há alteração da DVO e que o uso de PPR overlay dentosuportada atende as necessidades do usuário mostrando ser viável e efetiva(AU)

The temporomandibular disorder (TMD) is defined as a disorder with multifactorial origin which affect masticatory muscles, the TMJ and other related structures. Oral rehabilitation cases in patients with the disorder are increasingly more frequent in the dental office, requiring careful diagnosis, planning and treatment. However, most cases require complex treatments that demand a proper physiological condition and a relatively high cost for these patient's reality. This paper proposes, through a clinical case, to present and discuss the clinical stages of diagnosis, planning and execution of a prosthetic rehabilitation in participants with severe parafunction and loss of vertical dimension of occlusion. A treatment was proposed aiming an improvement in the quality of life of the patient and the reestablishment of the masticatory, aesthetic, phonetic and facial harmony function through a conservative, reversible and low cost method. Therefore, it was decided the placement of an unconventional removable partial denture retained with an attachment ball and supported by dental remnants that receive short copings. Prior to the definitive denture installation, it was adopted the use of temporaryRPDsin order to reestablish the VDOpreviously to thepermanent rehabilitation. At the end of the treatment, the patient was satisfied with the results that returned the normality condition to the stomatognatic system. As a result, it was observed that the use of the temporary RPDis a great option in cases where there is an alteration of the VDO and that the use of tooth-supported overlay RPD attends the user's needs by being feasible and effective(AU)

Métodos de evaluación de la Dimensión Vertical Oclusal / Methods of evaluation of the Occlusal Vertical Dimension

RESUMEN: Antecedentes: La evaluación de la Dimensión Vertical Oclusal, es una fase importante en el diagnóstico y planificación del tratamiento que determina las relaciones estéticas y funcionales entre los maxilares. Objetivo: Conocer los métodos que ayuden a determinarla, ventajas y desventajas de cada uno, y los parámetros para reestablecerla. Materiales y Métodos: Se recopiló información científica desde las bases electrónicas Medline/Pubmed, EBSCO y Schoolar Google desde Enero del 2010, hasta Marzo del 2016 tanto en Inglés y Español, utilizando las palabras Dimensión Vertical Oclusal, Altura Facial Inferior y Espacio de Inoclusión Fisiológica, se leyeron los títulos y resúmenes para descartar los artículos no relacionados, eliminando los repetidos. Resultados y Discusión: La relación proporcional entre los segmentos de la cara varían de acuerdo a los estudios, de estos, las mediciones antropométricas presentan el mayor número de discrepancias, y sus resultados no pueden ser aplicados a todos los individuos. Conclusiones: no hay un método único que determine con exactitud la Dimensión Vertical Oclusal, ni evidencia científica que respalde la asociación de Trastornos Témporo Mandibulares con variaciones en la misma, incrementos de 5mm son predecibles y aunque pueden manifestar incomodidades iniciales a los pacientes, son auto limitante y remiten en pocos días.

ABSTRACT Background: The evaluation of the Occlusal Vertical Dimension is an important phase in the diagnosis and treatment planning that determines the aesthetic and functional relationships between the jaws. Objective: To know the methods that help to determine it, the advantages and disadvantages of each one, and the parameters to reestablish it. Materials and Methods: Scientific information was collected from the electronic databases Medline / Pubmed, EBSCO and Schoolar Google from January 2010 to March 2016 in both English and Spanish, using the words Occlusal Vertical Density, Lower Facial Height and Physiological Inoculation Space, Titles and abstracts were read to discard unrelated articles, eliminating repeated ones. Results and Discussion: The proportional relationship between the segments of the face varies according tothe studies; out of these, the anthropometric measurements present the greatest number of discrepancies, and their results can not be applied to all individuals. Conclusions: There is no single method that accurately determines the occlusal vertical dimension, nor scientific evidence supporting the association of temporomandibular disorders with variations in it; increments of 5mm are predictable and although they may cause initial discomforts to patients, they are self-limiting and diminish in a few days.

Full mouth rehabilitation of the patient with severe tooth loss and tooth wear with vertical dimension gaining: A case report / 대한치과보철학회지

Multiple tooth loss and excessive occlusal wear can result in damage to occlusal disharmony, functional disorders and esthetic problems, requiring comprehensive prosthetic treatments. Changing vertical dimension harmonized with surrounding muscle tissue is important. In this case, the patient with loss of vertical dimension caused by severe tooth loss and tooth wear was treated with the analysis of vertical dimension, such as diagnostic model, radiography and various clinical exams. the patient was satisfied with favorable functions and esthetics for 1 years of follow-up.

Full mouth rehabilitation using removable partial denture in patient with loss of vertical dimension due to worn dentition / 대한치과보철학회지

Gradual attrition is a normal process of aging, but severe attrition causes occlusal disharmony, functional disorder and esthetic problems. The collapse of posterior support may cause attrition of anterior teeth, and loss of occlusal vertical dimension (OVD). And it induces the pathologic change of the TMJ, unaesthetic facial appearance and decreased masticatory function. In this case, 70 year-old male presented with decreased vertical dimension and esthetic problems due to worn dentition. Based on assessment of intraoral findings, diagnostic cast and radiographic examination, full-mouth rehabilitation with increase of OVD was planned. After 10 month follow-up, occlusal stability is maintained and through this procedure, satisfactory outcomes were achieved in esthetic and functional aspects.

Full mouth rehabilitation of severely worn dentition with implants and removable partial dentures / 대한치과보철학회지

Excessive tooth wear can lead to decrease in occlusal vertical dimension and can cause pathological changes in the oral environment and masticatory system. When recovering occlusal vertical dimension and occlusion, accurate diagnosis and analysis are essential. This clinical case describes a 75-year-old woman with severely worn dentition due to loss of the posterior support. Full mouth rehabilitation with occlusal vertical dimension increment was planned. Clinical and radiographic examinations, occlusal vertical dimension evaluation, and diagnostic wax-up were performed and patient adaptability was evaluated using provisional restorations. As for definitive restoration, considering economic condition of the patient, removable partial denture was fabricated and solitary implants were placed in the mandibular left and right posterior region to increase support and retention of the removable partial denture. During one year of follow-up, functional and esthetic outcomes were observed satisfactory.

Dimensión vertical oclusal: comparación de 2 métodos cefalométricos / Occlusal vertical dimension: Comparison of two cephalometric methods

Objetivo Se realizó una investigación cuyo propósito fue comparar la dimensión vertical oclusal (DVO) determinada con el «método craneométrico de Knebelman¼ y la determinada con el «método de Willis¼ en el mismo paciente. Materiales y método El estudio se realizó en una muestra de 74 individuos con su dentición completa, promedio de edad de 22 años ± 0,99, alumnos de cuarto año de la Facultad de Odontología de la Universidad Mayor. Los instrumentos de medición, tanto el craneómetro de Knebelman como el compás de Willis, se utilizaron según la metodología propuesta por sus fabricantes. Los resultados fueron analizados empleando el test «t¼ pareado expresando en milímetros la DVO determinada con cada metodología. Resultados No se encontraron diferencias significativas al comparar las dimensiones verticales oclusales determinadas con el craneómetro de Knebelman y con el compás de Willis en el mismo paciente (diferencias promedio de 0,7 mm entre ambos métodos). Conclusión Se concluye que no existe diferencia estadísticamente significativa entre ambos instrumentos estudiados. En este contexto la complementación entre el craneómetro de Knebelman y el compás de Willis puede ser un valioso instrumento que permita afinar y simplificar la determinacio¿n de la DVO en pacientes desdentados.

Objective The purpose of this study was to compare the Occlusal Vertical Dimension (OVD) determined with the Knebelman Craniometric method and with the Willis method on the same patient. Material and method The study was conducted on a sample of 74 subjects with their full dentition. The mean age was, They were students of fourth year, with a mean age of 22 years ± 0.99, from the Faculty of Dentistry at Mayor University. The measurement instruments used were the Knebelman Craniometer and the Willis Device. They were used according to the methodology recommended by their manufacturers. The results were analysed using the Paired T-test, with the OVD determined by each method expressed in millimetres. Results No significant differences were found when comparing the OVD determined using the Knebelman Craniometer and the Willis Device on the same patient (mean difference of 0.7 mm between both methods). Conclusion There were no significant statistical or clinical differences between both studied instruments. In this context complementing with both instruments, the Knebelman Craniometer and the Willis Device, could be a valuable tool to fine-tune and simplify the measurement of OVD in edentulous patients.

Full mouth rehabilitation of the patient with severely worn dentition using monolithic zirconia prosthesis: A clinical report / 대한치과보철학회지

Excessive occlusal wear causes loss of tooth structure, occlusal plane disharmony, impaired function and esthetic problems. Although the decrease of occlusal vertical dimension may be compensated by the growth of alveolar bone and tooth eruption, minimal increase of occlusal vertical dimension may be required for esthetics and retention of prosthesis. In this case, a 44-year-old male patient visited Seoul National University Dental Hospital with chief complaint of severe tooth wear and shade disharmony. Based on assessment of diagnostic wax-up, 3 mm increase of occlusal vertical dimension was determined. Removable occlusal splint and interim prosthesis was used to ascertain patient's comfort and adaptation. After the adaptation period, definitive prosthesis fabricated with full-contour monolithic zirconia were delivered and the patient was recommended to wear a nightguard device for prosthesis protection. This report presents a case of full mouth rehabilitation with the elevation of patient's occlusal vertical height, resulting in satisfactory esthetics and functions.

Efecto del aumento de la dimensión vertical oclusal en la posición natural de cabeza en pacientes portadores de prótesis removible / Effect of occlusal vertical dimension increase on natural head position in patients with removable prostheses

OBJETIVO Estudiar la variación de la posición natural de la cabeza al aumentar la dimensión vertical oclusal (DVO) en pacientes portadores de prótesis removible. PACIENTES Y MÉTODOS El estudio analítico, cuasi experimental, incluyó un total de 56 adultos mayores portadores de prótesis removibles totales y parciales (solo con grupo V remanente) atendidos en la Facultad de Odontología de la Universidad de Chile el año 2011, en los cuales se analizó la posición de la cabeza en sentido sagital al modificar la DVO aumentando progresivamente la altura oclusal en 5, 10 y 15 mm, mediante el uso de fotografías de perfil estandarizadas en posición natural de la cabeza. Hipótesis: el aumento de la DVO se asocia con una rotación posterior de la cabeza. RESULTADOS Todos los voluntarios mostraron cambio de la posición natural de cabeza, rotando posteriormente al modificar la DVO. El test ANOVA no mostró que esta diferencia fuera estadística. Hubo asociación positiva entre el cambio gradual de la DVO y el grado de rotación de la cabeza. El test de Pearson mostró asociación estadística. CONCLUSIÓN Los resultados permiten concluir que mientras mayor sea el aumento de altura oclusal mayor es la rotación posterior de la cabeza. Los hallazgos de este estudio apoyan el concepto de que existe una integración anatómica y funcional entre los distintos elementos que componen la unidad cráneo cérvico mandibular, actuando como un todo frente a la variación de uno de sus componentes.

OBJECTIVE To determine the variation in the natural head positionon increasing the Occlusal Vertical Dimension (OVD) in patients who use removable dentures. PATIENTS AND METHODS An analytical, quasi-experimental study was conducted on 56 elderly patients volunteers, carriers of removal full and partial (only with group V remaining) dentures seen in the Odontology Faculty of the University of Chile in 2011. An analysis was made of the head position in a sagittal direction to change the OVD, gradually increasing the occlusal height by 5, 10 and 15 millimeters, using standardized profile photographs of the natural head position. Hypothesis: The increase in the OVD is associated with a posterior rotation of the head. RESULTS All the volunteers showed a change in the natural head position, posteriorly rotated to change the OVD. The ANOVA test showed that this change was not statistically different. There was a positive association between a gradual change in OVD and the degree of head rotation. The Pearson test showed a statistical association. CONCLUSION It could be concluded from the results that, the greater the increase in occlusal height, the greater is the posterior rotation of the head. The findings of this study support the concept that there is an anatomical integration between the different elements that make up the cranio-cervico-mandibular unit, acting together against the variation of one of its components.

An alternative adhesive based technique of raising the occlusal vertical dimension.

Purpose: Decimated dentitions may require raising the vertical dimension in some conditions while performing a full mouth rehabilitation treatment. Increase in a vertical dimension should be diagnosed by reversible methods prior to performing any irreversible methods for a minimum time period. Reversible methods like splints and overlay dentures are often used for this purpose. These methods however cannot be used in some conditions like in cases of brittle teeth. Method: An alternative technique based on adhesive technology has been described which is reversible and yet minimally traumatic to teeth. Conclusions: The technique has two basic aims. The first is to accurately implement the occlusal scheme as planned in the diagnostic wax‑up in the reversible method of altering the vertical dimension. The second aim is to increase the vertical dimension with minimal damage to the teeth.

Direct Adhesive Pin-Retained Restorations for Severely Worn Dentition Treatment: A 1.5-Year Follow-Up Report

Excessive occlusal surface wear can result in occlusal disharmony, functional and esthetic impairment. As a therapeutic approach, conventional single crowns have been proposed, but this kind of treatment is complex, highly invasive and expensive. This case report describes the clinical outcomes of an alternative minimally invasive treatment based on direct adhesive-pin retained restorations. A 64-year-old woman with severely worn dentition, eating problems related to missing teeth and generalized tooth hypersensitivity was referred for treatment. Proper treatment planning based on the diagnostic wax-up simulation was used to guide the reconstruction of maxillary anterior teeth with direct composite resin over self-threading dentin pins. As the mandibular remaining teeth were extremely worn, a tooth-supported overdenture was installed. A stabilization splint was also used to protect the restorations. This treatment was a less expensive alternative to full-mouth rehabilitation with positive esthetic and functional outcomes after 1.5 years of follow-up.

A superfície oclusal excessivamente desgastada pode resultar em desarmonia oclusal e prejuízo à estética e função. Como abordagem terapêutica, coroas unitárias convencionais têm sido propostas, porém este tipo de tratamento é complexo, altamente invasivo e caro. Este relato de caso descreve os resultados clínicos de um tratamento alternativo minimamente invasivo baseado em restaurações adesivas diretas retidas por pinos. Uma paciente de 64 anos apresentando dentição severamente desgastada, problemas mastigatórios relacionados às ausências dentárias e hipersensibilidade dental generalizada foi encaminhada para tratamento. O adequado plano de tratamento baseado no enceramento diagnóstico foi utilizado para guiar a reconstrução dos dentes anteriores superiores com resina composta direta sobre pinos dentinários auto-rosqueáveis. Como os dentes inferiores remanescentes eram extremamente desgastados, uma sobre-dentadura dento-suportada foi instalada. Uma placa estabilizadora também foi utilizada de modo a proteger as restaurações. Este tratamento constitui uma alternativa mais acessível de reabilitação de boca total com resultados estéticos e funcionais positivos após 1,5 anos de acompanhamento.

Full mouth rehabilitation in a patient with loss of vertical dimension caused by severe tooth loss: a case report / 대한치과보철학회지

Decrease of occlusal vertical dimension (OVD) due to loss of teeth structure and destruction of the occlusal plane by severely worn dentition may cause cross bite or temporomandibular joint disorder by following change of facial feature or the loss of anterior guidance. Full mouth rehabilitation via an increase of the OVD can be considered to avoid this problem and proper evaluation of patient's OVD is essential. An 80 year old male visited for overall prosthodontic treatment, cross bite due to continuous wear and following decrease of the OVD were observed. We analyzed the existing occlusal relationship using the diagnostic cast, the radiographic evaluation and clinical test, and then proper increase of OVD was selected. The new OVD on diagnostic wax up was placed by the temporary restoration. After 3 months of observation period, final restoration with fixed partial dentures and implant overdenture were made. Throughout the follow-up period of 8 months, the aesthetic and functional improvement can be obtained.

Full-mouth rehabilitation of a patient with reduced occlusal vertical dimension due to severe wear: a clinical report / 대한치과보철학회지

The loss of posterior support may cause attrition of anterior teeth, and loss of occlusal vertical dimension (OVD). The collapse of the posterior support will eventually cause the pathologic change of the TMJ and masticatory muscles, unesthetic facial appearance and decreased masticatory function. Patients with destroyed dentition need extensive prosthetic treatments. Proper diagnosis and treatment planning are necessary for the stability of the neuromuscular system and the TMJ, and esthetic and functional definitive restorations. In this case, 63 year-old male presented with decreased masticatory force and esthetic problems due to pathologic destruction of teeth structure on entire dentition. Based on assessment of OVD including intraoral findings, radiographic examination and diagnostic cast, full-mouth rehabilitation with increase of OVD was planned using fixed partial denture and removable partial denture. Diagnostic wax-up was done after 4 mm increase of OVD determined by assessment of OVD. The OVD was maintained with the overlay type removable interim prostheses for 12 weeks to ascertain his comfort and adaptation to the new OVD. After the adaptation period, second interim prostheses with tooth preparation maintaining the established OVD was delivered. After 4 weeks, final prostheses were fabricated and delivered. After 7 month follow-up period, occlusal stability is maintained. Through this procedure, satisfactory outcomes were achieved both in functional and esthetic aspects.

Full mouth prosthetic rehabilitation based on systemic analysis, diagnosis and treatment plan: a case report / 대한치과보철학회지

Data collection including checking the problem list and analyzing the etiology cannot be overemphasized in full mouth rehabilitation cases. It is well reported that favorable prognosis of prosthodontic treatment depends on accurate diagnosis. Seventy seven year old female patient presented with chief complaints of chewing pain on maxillary and mandibular left premolars and unesthetic existing prosthesis. Clinical evaluation, radiographic examination and cast analysis were performed to gather comprehensive data and problem lists. Treatment planning was based on collected data and related articles. Abutment evaluation, prognosis depending on various types of prosthesis, and maintenance were considered as well. Occlusal vertical dimension was increased to solve esthetic dissatisfaction and insufficient interocclusal space. Patient adaptation was verified with provisional restorations followed by diagnostic wax up. Function, esthetics and occlusal stability were verified during 8 week follow-up period. Prosthodontic reconstruction based on systemic analysis, diagnosis, and treatment plan led to satisfactory result after delivery of definitive prosthesis.

Interdisciplinary approach on oral rehabilitation of an adolescent patient with multiple missing teeth: a clinical report / 대한치과보철학회지

In case of missing of permanent teeth by trauma or innate defect, the decision of treatment modalities and application timing have an important effect on the prognosis of oral rehabilitation. In this case report, interdisciplinary approach between the orthodontic and prosthodontic treatment, the way to re-establish the collapsed occlusal vertical dimension, and implant prosthetic considerations will be discussed. Proper diagnosis on teeth and craniofacial skeleton was made prior to treatment and provisional restorations were used in regard of growth patterns of the patient. Finally, the edentulous areas were restored with fixed implant prostheses. Diagnosis, treatment rationale and prognosis will be discussed thoroughly.

Reestablishment of occlusion through overlay removable partial dentures: a case report

Loss of posterior teeth may cause an imbalance in the stomatognathic system. Overlay removable partial dentures (ORPD) are a reversible and relatively inexpensive treatment for patients with severely worn teeth. This paper presents a treatment with ORPD in a 55-year-old male patient who had severe attrition in the maxillary and mandibular teeth, temporomandibular joint pain and reduced vertical dimension of occlusion (VDO). The treatment consisted in the reestablishment of the VDO using Lucia’s jig, fabricating removable partial denture with reconstruction of the worn teeth without preparation. This therapy can be used as an alternative treatment to provide esthetic, function and stable occlusion in patients with severely worn teeth.

A perda de dentes posteriores pode provocar o desequilíbrio do sistema estomatognático. As próteses parciais removíveis terapêuticas atuam como terapia reversível e não dispendiosa para os pacientes com desgastes dentais severos. Este trabalho apresenta um tratamento com as próteses parciais removíveis terapêuticas (overlay) em um paciente de 55 anos, do gênero masculino que apresentava atrição severa nos dentes superiores e inferiores, dor na articulação temporomandibular e dimensão vertical de oclusão reduzida. O tratamento consistiu em restabelecer a dimensão vertical de oclusão utilizando o Jig de Lucia, próteses parciais removíveis com reconstrução dos dentes desgastados e sem preparos. Esta terapia pode ser utilizada como uma alternativa de tratamento para a obtenção de estética, função e estabilidade oclusal em pacientes com desgastes dentais severos.