Abordagem cirúrgica em fratura de sínfise e côndilo mandibular bilateral em paciente pediátrico: um relato de caso / Surgical approach for syphysis and bilateral mandibular condyle fracture in a pediatric patient: a case report

As indicações de tratamento das fraturas mandibulares em paciente pediátrico variam em conservador, fixação não rígida e interna rígida. Alterações no crescimento ósseo, disfunções na articulação temporomandibular e assimetrias faciais podem ser decorrentes ao insucesso do tratamento. O objetivo deste trabalho consiste em relatar abordagem cirúrgica em fratura de sínfise e côndilo mandibular bilateral em paciente pediátrico. Paciente gênero feminino, 09 anos de idade, foi encaminhada ao Hospital Geral do Estado - Bahia vítima de queda de nível, cursando com trauma em face. Apresentou queixa principal, referida pela progenitora, de dificuldades em fechar a boca. Ao exame físico, a paciente apresentou mobilidade atípica à manipulação da mandíbula, mordida aberta anterior, equimose sublingual, ausência das unidades dentárias 74 e 75, com abertura bucal regular e suturas em posição em região de mento. Ao exame de imagem de tomografia computadorizada da face, pôde-se notar sinais sugestivos de fratura em região de sínfise e côndilos mandibulares bilateral. Após diagnóstico das fraturas, a paciente foi submetida à cirurgia sob anestesia geral para redução e fixação das mesmas. Realizou-se acessos em ferimento na região mentual e retromandibular bilateral com posterior síntese das fraturas utilizando fixação interna rígida com placas do sistema 2.0mm, associada a odontossíntese na fratura de sínfise. Ao acompanhamento periódico, a eleição do tratamento cirúrgico para fraturas mandibulares em pacientes pediátricos, pode permitir segurança no crescimento ósseo mandibular e facial(AU)

The indications for treatment of mandibular fractures in pediatric patients vary from conservative, non-rigid fixation and rigid internal fixation. Changes in bone growth, temporomandibular joint disorders and facial asymmetries may be due to treatment failure. The objective of this work is to report a surgical approach to bilateral symphysis and mandibular condyle fractures in a pediatric patient. Female patient, 9 years old, was sent to the State General Hospital - Bahia, victim of a fall in level, suffering from trauma to the face. She presented a main complaint, mentioned by her mother, of difficulties in closing her mouth. On physical examination, the patient presented atypical mobility when manipulating the jaw, anterior open bite, sublingual ecchymosis, absence of dental units 74 and 75, with regular mouth opening and sutures in position in the chin region. When examining the computed tomography image of the face, signs suggestive of fracture in the region of the symphysis and bilateral mandibular condyles were noted. After diagnosis of the fractures, the patient underwent surgery under general anesthesia to reduce and fix them. Access was performed on a wound in the mental and bilateral retromandibular region with subsequent synthesis of the fractures using rigid internal fixation with 2.0mm system plates, associated with odontosynthesis in the symphysis fracture. With periodic monitoring, the choice of surgical treatment for mandibular fractures in pediatric patients can allow for safe mandibular and facial bone growth(AU)

Safety and feasibility of a new 3D printing template designed for bilateral anterior cervical transpedicular screws placements / 中国组织工程研究

BACKGROUND: Anterior cervical transpedicular screws placement technique provides nice mechanical stability and is of very promising application prospects. However, the technology is difficult to operate and has a high risk, and has not been widely used. OBJECTIVE: To design a new three-dimensional (3D) printing template for bilateral anterior cervical transpedicular screws placements and assess its feasibility and safety in anterior cervical pedicle screw placement. METHODS: Six cadaveric cervical specimens, including three males and three females, were used in this experiment. Data of thin layer CT scanning of the specimens were saved in DICOM format and then imported into Mimics 17.0 software. Following 3D reconstructions of the cervical spine, guiding holes for C3-C7 bilateral anterior cervical transpedicular screws trajectories were designed; pedestals for the guiding holes were then designed via reversely thickening the bony structure of the anterior and 1/2 superior-anterior surface of vertebral body, and 1/2 anterior joint surface of bilateral processus uncinatus. Practical objects of the templates were obtained via 3D printing and were then used for guiding bilateral anterior cervical transpedicular screws replacements from C3 to C7. CT scanning was conducted again and the accuracy of anterior cervical transpedicular screws replacements was evaluated from sectional CT images. The difference of deviational angles on axial plane (α1, α2) and sagittal plane (β1, β2) between real and simulated trajectories were compared in Mimics 17.0 software. RESULTS AND CONCLUSION: (1) A total of 60 anterior cervical transpedicular screws were successfully inserted; 57 screws were completely located in pedicles and were judged as grade 0, representing an accuracy of 95.0%. The other three anterior cervical transpedicular screws perforated from pedicles, including grade 1 perforation in two screws (3.3%) and grade 2 perforation in one screw (1.7%). (2) By comparing real and simulated trajectories, the medical and lateral deviational angles were (0.867±0.787)° and (0.783±0.792)°, respectively (P > 0.05); the cephalad and caudal deviational angles were (1.362±1.380)° and (1.314±1.300)°, respectively (P > 0.05). (3) With the help of the 3D printing template designed in this study, bilateral anterior cervical transpedicular screws replacements could be smoothly carried out at high inserting safety.

The Outcome of Primary Rigid Internal Fixation of Displaced Fracture Neck Of the Femur with Muscle Pedicle Bone Graft in Young Adult

Objective: In this study our main aim to evaluate the outcomeof primary rigid internal fixation of displaced fracture neck ofthe femur with muscle pedicle bone graft in young adult.Methodology: This prospective observational study wasconducted at National institute of traumatology and orthopaedicrehabilitation (NITOR), Dhaka from July 2003 to June 2005.During the study, recent neck femur fracture 12 cases, inbetween age 20-55 years irrespective of gender were taken asa sample.Results: In the experiment, 75% were male patient and 25%were female patients. 66.67 % patients with type 1V fractureand 33.33% patients were with type III fracture. Also, after thetreatment. 83.33 % patients obtained satisfactory result and16.67% was unsatisfactory.Conclusion: From our study we can conclude that thistechnique is especially applicable in early days of fracture toachieve union and revisualization of the proximal fracturefragment and prevent non-union or avascular necrosis. Thefollow up period of this initial study is short, long-term follow upand evolution of the viability of this procedure should provideadditional useful result.

Application of three-point rigid internal fixation technique in reduction malarplasty / 中华医学美学美容杂志

Objective To evaluate the effect of three-point rigid internal fixation technique in reduction malarplasty for prominent malar complex.Methods From January of 2014 to January of 2017,45 patients with prominent malar complex were treated with double L shape osteotomy combined bony Z plasty and three-point rigid internal fixation for prominent malar complex.The preoperative and postoperative photographs were taken to monitor the contour improvement,the adverse effects were recorded,and 3D CT was used to assess the bone union situation at 6 months after operation.Results All the wounds got primary intention healing and no severe complication occured in perioperative period.3D CT showed good bone recovery 6 months after operation.Postoperative appearance of all cases showed that the width of middle face was efficiently reduced.All patients expressed high levels of satisfaction.Conclusions Reduction malarplasty with three-point rigid internal fixation for prominent malar complex is an effective and safe method for the treatment of prominent malar complex.

Application of Segmental Design Principles in the Small Incision Approach Rigid Internal Fixation for the Treatment of Maxillofacial Fractures / 医学研究杂志

Objective To explore the application effects of segmental design principles in the small incision approach rigid internal fixation for the treatment of maxillofacial fractures.Methods With a retrospective study,from September 2012 to April 2016,172 patients with maxillofacial fractures were selected as the research object in our hospital.All the patients were divided into the observation group of 100 patients and control group of patients according to the different treatment methods.Two groups were treated with mall incision approach rigid internal fixation.The observation group were given the preoperative design based on the segmental design principles.The other operation process were similar with the control group.Results All patients were completed the operation,the fracture were healed by Ⅰ stage.The postoperative 3months of total effective rates of the observation group and the control group were 98.0％ and 83.3％.The total effective rate of the observation group was significantly higher than that of the control group (P ＜ 0.05).The postoperative 3months of infection,nerve injury,salivary fistula,screw loosening and complication rate in the observation group was 3.0％,so that was 20.8％ in the control group,the observation group was significantly lower than the control group (P ＜ 0.05).The postoperative 3months of occlusal relationship and normal rates of the observation group were 99.0％ and 98.0％,respectively.The control group was 93.1％and 90.3％,respectively.There were between the two groups statistically significance difference(P ＜ 0.05).Conclusion The segmental design principles in the small incision approach rigid internal fixation for the treatment of maxillofacial fractures can improve the therapeutic effect,reduce the incidence of postoperative complications,improve the occlusal relationship with normal mouth opening rate.It is an ideal method for the treatment of maxillofacial fracture.

Extramedullary fixation combined with intramedullary fixation in the surgical reduction of sagittal mandibular condylar fractures / 华西口腔医学杂志

<p><b>OBJECTIVE</b>This study aimed to evaluate the clinical effect of extramedullary fixation combined with intramedullary fixation during the surgical reduction of sagittal mandibular condylar fractures.</p><p><b>METHODS</b>Twenty-four sagittal fractures of the mandibular condyle in18 patients were fixed by two appliances: intramedullary with one long-screw osteosynthesis or Kirschner wire and extramedullary with one micro-plate. The radiologically-recorded post-operative stability-associated com-plications included the screw/micro-plate loosening, micro-plate twisting, micro-plate fractures, and fragment rotation. The occluding relations, the maximalinter-incisal distances upon mouth opening, and the mandibular deflection upon mouth opening were evaluated based on follow-up clinical examination.</p><p><b>RESULTS</b>Postoperative panoramic X-ray and CT scans showed good repositioning of the fragment, with no redislocation or rotation, no screw/plate loosening, and no plate-twisting or fracture. Clinical examination showed that all patients regained normal mandibular movements, ideal occlusion, and normal maximal inter-incisal distances upon mouth opening.</p><p><b>CONCLUSIONS</b>Extramedullary fixation combined with intramedullary fixation is highly recommended for sagittal condylar fractures because of the anti-rotation effect of the fragment and the reasonable place-ment of the fixation appliances.</p>

An in vitro comparison between two different designs of sagittal split ramus osteotomy

OBJECTIVES: To evaluate the influence of the type of osteotomy in the inferior aspect of the mandible on the mechanical performance. MATERIALS AND METHODS: The study was performed on 20 polyurethane hemimandibles. A sagittal split ramus osteotomy (SSRO) was designed in 10 hemimandibles (group 1) with a vertical osteotomy in the buccal side (second molar level) and final osteotomy was performed horizontally on the lingual aspect, while the mandible body osteotomy was finalized as a straight osteotomy in the basilar area, perpendicular to the body. For group 2, the same osteotomy technique was used, but an oblique osteotomy was done in the basilar aspect of the mandibular body, forming continuity with the sagittal cut in the basilar area. Using a surgical guide, osteosynthesis was performed with bicortical screws using an inverted L scheme. In both groups vertical compression tests were performed with a linear load of 1 mm/min on the central fossa of the first molar and tests were done with models made from photoelastic resin. Data were analyzed using Student's t-test, establishing a statistical significance when P <0.05. RESULTS: A statistical difference was not observed in the maximum displacements obtained in the two osteotomies (P <0.05). In the extensiometric analysis, statistically significant differences were identified only in the middle screw of the fixation. The photoelastic resin models showed force dissipation towards the inferior aspect of the mandible in both SSRO models. CONCLUSION: We found that osteotomy of the inferior aspect did not influence the mechanical performance for osteosynthesis with an inverted L system.

Nursing of patients with mandibular fractures treated with micro titanium plate rigid internal fixation / 现代临床护理

Objective To summarize the experience of nursing patients with mandibular fractures treated by micro rigid internal fixation.Method The following nursing methods including psychological interventions,pain intervention,dietary intervention, rehabilitation,intervention and prevention of complications were applied in the nursing care to 56 patients with mandibular fractures treated by micro rigid internal fixation.Results The surgical procedures of micro rigid internal fixation were successful,and all of them were cured and discharged.One case contracted gingivitis and another one oral ulcers,both cured by rinse with mouthwash. Conclusion Nursing intervention can improve the rehabilitative effect on patients with titanium mandibular fracture fixation,reduce the complications and improve clinical outcomes.

Fratura parassinfisária em Mulher Vítima de Violência Doméstica: Relato de Caso / Parasymphyseal fracture in women victims of domestic violence: a case report

O trauma facial pode ser considerado uma das agressões mais devastadoras encontradas em centros de trauma devido às consequências emocionais, à possibilidade de deformidade e, também, ao impacto econômico que esses traumas causam em um sistema de saúde. Trata-se de um trauma de abrangência multidisciplinar, envolvendo, principalmente, as especialidades de traumatologia, oftalmologia, cirurgia plástica, maxilofacial e neurocirurgia¹. Sendo a mandíbula o único osso da face que apresenta mobilidade, e o restante fazendo parte do esqueleto fixo da face, a sua fratura não passa jamais despercebida, pois é bastante dolorosa, dor essa que piora muito com os movimentos mastigatórios, fonatórios e, até, movimentos respiratórios, havendo, às vezes, queixas de assimetrias faciais4. Das fraturas mandibulares, a parassinfisária é a que ocorre na região compreendida entre a linha média mandibular e uma linha vertical na distal do canino. Dentre as opções de tratamento, a fixação interna rígida apresenta as vantagens de proporcionar reduções com maior precisão e estabilidade; eliminação da necessidade de bloqueio maxilo-mandibular (BMM); reabilitação e restabelecimento mais rápido da função e a função em pós-operatório imediato22. Este trabalho teve como objetivo realizar um relato de caso acerca de uma cirurgia para redução e fixação de uma fratura parassinfisária em uma vítima de violência, utilizando-se o sistema de miniplacas 2.0 e parafusos.

Facial trauma can be considered one of the most devastating attacks encountered in trauma centers because of its emotional consequences, the possibility of deformity and also the economic impact on a health care system caused by this kind of trauma. It is a trauma requiring a multidisciplinary approach, involving mainly the specialties of traumatology, ophthalmology, plastic surgery, maxillofacial surgery and neurosurgery¹. As the mandible is the only bone of the face that has mobility, since the other bones are all are part of the fixed facial skeleton, the fracture never goes unnoticed because it is very painful, a pain that worsens with the movements of mastication and phonation and even respiratory movements and, sometimes, complaints of facial asymmetry4. Of the mandibular fractures, the parasymphyseal fracture is the one that which occurs inthe region between the mandibular midline and a vertical line distal to the canine tooth. Among the treatment options, rigid internal fixation has the advantage of providing more precise cuts and stability, eliminating the need for intermaxillary fixation, faster rehabilitation and restoration of function, and function in the immediate postoperative period22. The aim of this study was to present a case report of surgery for the reduction and fixation of a parasymphyseal fracture in a victim of violence, using the 2.0 miniplate system and screws.

Acidentes durante a realização da osteotomia sagital do ramo mandibular: relato de caso / Accidents during the course of the sagittal split osteotomy of the mandibular ramus: Literature review and case report

A osteotomia sagital do ramo mandibular é um procedimento amplamente utilizado para a correção de deformidades dentofaciais, tanto para aquelas que necessitam de avanços ou recuos mandibulares. Diversos autores realizaram estudos e sugeriram modificações procurando aperfeiçoar esta técnica, sendo que na atualidade este pode ser considerado um procedimento corriqueiro, versátil e previsível. Mas, como toda técnica cirúrgica, ela não esta livre da ocorrência de acidentes e complicações. Sendo assim, o objetivo do presente trabalho é relatar o caso clínico de uma paciente submetida à realização de OSRM para tratamento de retrognatismo mandibular, onde durante o procedimento cirúrgico houve uma fratura indesejada no segmento proximal, bem como a descrever forma de tratamento realizada.

The sagittal split osteotomy of the mandibular ramus is a widely used procedure for the correction of dentofacial deformities, both for those who require mandibular advances or retreats. Several authors have conducted studies and suggested changes trying to perfect this technique, and at present this procedure can be considered predictable and versatile. But, like any surgical technique, it is not free of accidents and complications. Therefore, the objective of this study is to report the case of a patient submitted to a sagittal split osteotomy of the mandibular ramus for treatment of mandibular retrognathia, where during the surgical procedure was an unwanted fracture in the proximal segment, as well as to describe a form of treatment performed.

Labioplastia helicoidal como tratamento de lábio duplo / Elliptical excision for double lip treatment

O lábio duplo é uma anomalia caracterizada por crescimento de tecido hiperplásico acometendo na maioria das vezes o lábio superior, resultando em uma deformidade que se torna evidente quando o paciente sorri e durante a fala, ocasionando interferências na fonética e mastigação, afetando, em alguns casos, psicologicamente o paciente. Esta deformidade pode ser congênita ou adquirida, e não tem predileção por idade, raça ou gênero. O tratamento cirúrgico é indicado nos casos onde o paciente apresenta comprometimento funcional ou solicite, por motivos estéticos. Neste trabalho é descrito um caso de labio duplo adquirido onde foi feita a remoção cirúrgica através de labioplastia helicoidal, solucionando assim a deformidade estética.

The double lip is an abnormality characterized by hyperplasic tissue growth, affecting mostly the upper lip, resulting in a deformity that becomes evident when the patient smiles and during speech. It may cause interference with phonetics and mastication, in some cases affecting the patient psychologically. This deformity can be congenital or acquired and has no predilection for age, race or gender. Surgical treatment is indicated in cases where the patient is functionally compromised or requests it for aesthetic reasons. This paper describes a case of acquired double lip where surgical removal was performed by elliptical excision, thus solving the aesthetic deformity. KEY WORDS: Lip, Deformity, Maxillofacil Surgery.

A retrospective study of 101 maxillofacial fractures / 临床耳鼻咽喉头颈外科杂志

Objective:To investigate the clinical characters and treatments of maxillofacial fractures. Method: A review of 101 maxillofacial fractures was presented with respect to age, sex, cause of fractures, pattern of fractures, treatments and therapeutic effect. Result:The majority of fractures were found in 20-to-50-years-old males. Most fractures happened in summer and the leading causes were traffic accidents. Mandible was the most part of fractures and associated combined injures were found in 31 cases. Rigid internal fixation was the primary treatment. Conclusion:Maxillofacial factures mainly occurred in young adult males and traffic accidents were the main causes. Rigid internal fixation after exact replacement was the primary common treatment.

The literacture review and clinical evaluation of intraoral approach for subcondylar fracture

PURPOSE: The aim of this study was to investigate the clinical cases of subcondylar fracture with intraoral approach. MATERIAL AND METHOD: Fifteen patients with unilateral subcondylar fracture were treated in the department of oral and maxillofacial surgery, Kangdong Sacred Heart Hospital, College of Medicine, Hallym University between 2006 and 2007. Each patients was examined by computed tomography(CT) and panorama. 3D-CT taken when fractured segment was displaced and comminuted. Patients was done intermaxillary fixation to occlusal stability and prevent displacement of fractured segment before general operation. Open reduction and internal fixation(ORIF) accomplished under general anesthesia and used to intraoral approach. We examinated the state of occlusion, maximum opening. Evaluation of the state of occlusion was divided in patient's subjective evaluation that compare pre-traumatic occlusion with postoperative occlusion, and estimator's objective evaluation that use articulating paper. Examination was done at 2 weeks, 1, 3, 6 month postoperative by follow up. RESULT: The ORIF through intraoral approach was good in all patients. In the state of occlusion, all patients recovered pre-traumatic occlusion in 6 month postoperation. Maximum opening was gradually increased. In 3 month postoperative, maximum opening was excessed 40mm. CONCLUSION: Our study indicate that the intraoral approach is a good technique for subcondylar fracture. Intraoral approach prevent complication that facial nerve damage, scar formation caused by extraoral approach. So, we recommend intraoral approach when subcondylar fracture.

Application of titanium rigid internal fixation in jaw bone fraction:26 case report / 中国康复理论与实践

@#ObjectiveTo observe the clinical effect of titanium plate osteosynthesis in jaw bone fracture.Methods26 cases were treated with titanium plate, and the function of recovery were analyzed.ResultsAfter operation, the patients recovered in phase Ⅰ except one who was malocclusion, periodontium and temporomandibular were affected rarely. It did not limited mouth open; the time of functional recovery was very short.ConclusionThe effect of titanium rigid internal fixation shows well.

Conceptos actuales en el tratamiento de las fracturas mandibulares: Revisión de literatura y reporte de casos

Actualmente la reducción abierta de las fracturas mandibulares y la fijación y estabilización de los segmentos óseos por medio de la fijación interna rígida es considerado el tratamiento de elección versus técnicas mas conservadores como lo son la reducción cerrada y el bloqueo maxilo-mandibular o el uso de osteosíntesis por medio de alambre de acero. La fijación interna rígida es una técnica que brinda la suficiente estabilidad para propiciar un correcto reparo óseo así como brindar al paciente un postoperatorio mas confortable y una reincorporación mas temprana a su vida normal, sin limitar notablemente sus actividades fisiológicas y sociales, en comparación con las técnicas antes mencionadas.

At the moment, the open reduction of the mandibular fractures and the fixation and stabilization of the bone segments by rigid internal fixation is considered the election treatment versus more conservative techniques as are the closed reduction and the intermaxillary fixation or the use of osteosíntesis by steel wire. The rigid internal fixation is a technique that offers enough stability to propitiate a correct bone repair as well as to offer the patient a more comfortable postoperative period and an early reincorporation to a normal life, without limiting his activities, in comparison with the techniques before mentioned.

Atualmente, a redução aberta das fraturas mandibulares e a fixação dos segmentos ósseos por meio da fixação interna rígida é considerado o tratamento de eleição frente a técnicas mais conservadoras como são a redução fechada e o bloqueio maxilo-mandibular, ou o uso de osteosíntesis por meio de fio de aço. A fixação interna rígida é uma técnica que oferece a suficiente estabilidade para propiciar um adequado reparo ósseo, além de oferecer ao paciente um pós-operatório mais confortável e uma reincorporação mais precoce a suas atividades, sem limitar notavelmente suas atividades fisiológicas e sociais, em comparação com as outras técnicas anteriormente mencionadas.

Evaluation of compression and non-compression internal fixation for mandibular fractures / 实用口腔医学杂志

Objective: To observe effects of treatment of mandibular fractures with compression or non compression internal fixation. Methods: In the in vivo study mandibular fractures were fixed by compression internal fixation on one side and non compression on other side in 15 dogs and observed radiologically and histologically. In clinical practice 42 patients with 58 mandibular fractures were treated with compression internal fixation, and 56 patients with 78 madibular fractures were treated with non compression internal fixation. Their clinical effects were evaluated by masticatory efficiency test, radiological and clinical observation after operation. Results: Primary bone healing was found histologically in group of compression fixation and bone healing through callus in group of non compression in the dogs. In the patients treated with compression internal fixation bone fracture line disappeared 1 week earlier and masticatory efficiency was heigher than in those with non comprission fixation. Conclusion: Both methods are all effective in the treatment of mandibular fractures. The miniplate is convenient in use and the indication is wide ranging. The compression plate can speed healing of mandibular fractures, but the operation is more strict technically.

Clinical application of rigid internal fixation in 70 cases of midface fracture / 实用口腔医学杂志

Objective: To explore a way of getting satisfactory face shape and function with a retrospective study in 70 patients with midface fractures.Methods:70 cases were selected.Fractures were treated with miniplate according to the sites and different operation methods.Results:Occlusions and face profiles were normal.Each operation method had its own advatages and disadvanges.Conclution:The rigid internal fixation is effective for midface fracture and the choice of operation methods should depend on the sites of fractures.

Biomechanical analysis of mandibular bilateral sagittal split ramus osteotomy with bicortical screws internal fixation / 实用口腔医学杂志

Objective: To study the mandibular bilateral sagittal split ramus osteotomy (BSSRO) with bicortical screws rigid internal fixation(RIF) with the three-dimensional finite element method, and supply directions for clinic practice.Methods:CT scanned technology and the finite element software (Ansys) were used to establish the three-dimensional finite element model of BSSRO with bicortical screws RIF. The stress distribution of the mandible and the RIF and the displacement of split mandible were calculated under three kind of occlusion situation.Results:Under the same kind of occlusion situation, the stress and displacement of the split mandible with single upper screws fixation was higher than that with the reverse "L" screws fixation, the stress and displacement of the split mandible with 2.0 mm diameter screws fixation was higher than that with 2.7 mm diameter screws fixation. With the same kind of fixation method, the stress and the displacemen of the mandible under the incisor occlusion was the highest.Conclusion:The fixation distance, position, distribution angle of the bicortical screws all have effects on the fixation stability. The patient should avoid the incisor occlusion after the surgery.

Treatment of orbital floor fracture with orbital floor mesh plate / 实用口腔医学杂志

Objective:To evaluate the effect of orbital floor mesh plate in the treatment of orbital floor fracture. Methods:27 patients with orbital margin fractures were treated by surgical operation with orbital floor mesh plates or medial wall plates. All patients were observed for 3 months after operation.Results:It was observed that all patients with enophthalmos were cured and the patients with nerve injury recovered satisfactorily.Conclusion:Orbital floor mesh plate is effective in the treatment of orbital floor fracture.

The application of coronal incision in the surgical treatment of zygomatic complex fracture / 实用口腔医学杂志

Objective:To study the indications, surgical technique and complications of the coronal approach in the treatment of zygomatic complex fractures.Methods:Eighty-four patients with zygomatic complex fracture underwent coronal incisions for surgery. Micro or mini titanium bone plates were used to stabilize the fractured bones.In patients with endophthalmos orbital wall fractures were treated with hydroxyapatite.Follow-up was conducted for 3 months to 2 years.Results:All patients had no wound infection after operation. There was no permanent facial nerve motor function deficit. All of the patients with malocclusion regained their functional occlusion after treatment. The patients with restriction of mouth opening recovered after training. Eight patients had observable asymmetry characterized by widening of the face on the side of the injury. One patient sustained the postoperative endophthalmos beyond 3 mm.Conclusion:Coronal approach is feasible in the surgical treatment of zogomatic complex fracture.