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condylar fractures mandible

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https://www.readbyqxmd.com/read/29056288/evaluation-of-an-experimental-oblique-plate-for-osteosynthesis-of-mandibular-condyle-fractures
#1
Florian Wagner, Martin Strasz, Hannes Traxler, Kurt Schicho, Rudolf Seemann
OBJECTIVE: The aim of this study was to test the bone thickness and potential screw length for osteosynthesis of condylar base fractures (according to the Loukota classification) with an experimental titanium plate, placed in an ideal position against 2 types of conventional plates. STUDY DESIGN: After exclusion of completely edentulous mandibles, 28 dentate macerated mandibles available at the time of the study were included. Linear regression models 1 and 2 compared the sums of the 2 cranial bone thicknesses and the 3 caudal thicknesses among the 3 different plate designs, and linear models 3 and 4 tested the bone thickness in the 2 most cranial screw axes...
September 21, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28932703/imaging-in-traumatic-mandibular-fractures
#2
REVIEW
Adil Naeem, Hugo Gemal, Duncan Reed
A fracture of the mandible is a common trauma presentation amongst young males and represents one of the most frequently encountered fractured bones within the viscerocranium. Historically, assault was the dominant contributing factor but now due to the increased number of vehicles used per capita, motor vehicle accidents are the primary cause. Mandibular fractures can be classified anatomically, by dentition, by muscle group and by severity. The fracture may also be closed, open, comminuted, displaced or pathological...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28737727/patterns-associated-with-adult-mandibular-fractures-in-southern-taiwan-a-cross-sectional-retrospective-study
#3
Ko-Chien Lin, Shu-Hui Peng, Pao-Jen Kuo, Yi-Chun Chen, Cheng-Shyuan Rau, Ching-Hua Hsieh
Purpose: This study aimed to determine the patterns associated with adult mandibular fractures from a Level-I trauma center in southern Taiwan. Methods: The data of adult trauma patients admitted between 1 January 2009 and 31 December 2014 were retrieved from the Trauma Registry System and retrospectively reviewed. Fracture site and cause of injury were categorized into groups for comparison, and corresponding odds ratios (ORs) and 95% confidence intervals (CIs) were obtained by multivariate logistic regression...
July 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28732561/open-treatment-of-unilateral-mandibular-condyle-fractures-in-adults-a-systematic-review
#4
REVIEW
A Rozeboom, L Dubois, R Bos, R Spijker, J de Lange
Since the introduction of rigid internal fixation devices, more and more surgeons favour an open approach to treating condylar fractures of the mandible in adult patients. Different indications for open treatment have been published. Open treatment is associated with surgical complications because of the technique employed. The aim of this systematic review was to provide an overview of the studies published exclusively on open treatment, and to summarize the existing open treatment modalities and their clinical outcomes...
October 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28717284/is-the-mandibular-growth-affected-by-internal-rigid-fixation-a-systematic-review
#5
REVIEW
Humberto Fernández-Olarte, Andrés Gómez-Delgado, Dayan López-Dávila, Rodolfo Rangel-Perdomo, Gloria Inés Lafaurie, Leandro Chambrone
PURPOSE: The purpose of this systematic review was to evaluate, in animal model-based studies, whether there are mandibular growth alterations, after open reduction and internal rigid fixation with titanium plates and screws. METHODS: A literature search was conducted using the MEDLINE, EMBASE, and LILACS databases, up to and including August 2015. Surgical reduction and internal rigid fixation (IRF) of induced fractures were compared to non-invasive procedures, in order to investigate if there were alterations in the mandibular growth patterns...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28464946/evaluating-the-biomechanical-effects-of-implant-diameter-in-case-of-facial-trauma-to-an-edentulous-atrophic-mandible-a-3d-finite-element-analysis
#6
Aysa Ayali, Kani Bilginaylar
BACKGROUND: Rehabilitation using an implant supported overdenture with two implants inserted in the interforaminal region is the easiest and currently accepted treatment modality to increase prosthetic stabilization and patient satisfaction in edentulous patients. The insertion of implants to the weakend mandibular bone decreases the strength of the bone and may lead to fractures either during or after implant placement. The aim of this three dimensional finite element analysis (3D FEA) study was to evaluate the biomechanical effects of implant diameter in case of facial trauma (2000 N) to an edentulous atrophic mandible with two implant supported overdenture...
May 2, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28460872/fixation-of-fractures-of-the-condylar-head-of-the-mandible-with-a-new-magnesium-alloy-biodegradable-cannulated-headless-bone-screw
#7
H Leonhardt, A Franke, N M H McLeod, G Lauer, A Nowak
It is difficult to fix fractures of the condylar head of the mandible. Several techniques have been described which show satisfactory outcomes, but stability can be questionable, and some can cause irritation of the soft tissues. We describe a technique and first results of treating such fractures with resorbable magnesium-based headless bone screws (Magnezix(®) 2.7mm CS; Syntellix AG, Hanover, Germany).
July 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28429855/coincidence-of-mandibular-fractures-with-isolated-posterior-maxillary-sinus-fractures
#8
Sebastian Blatt, Roman Rahimi-Nedjat, Keyvan Sagheb, Lisa Piechowiak, Christian Walter, Dan Brüllmann
BACKGROUND/AIM: There are no data available to show whether there is a relationship between mandibular fractures and isolated fractures of the posterior and/or lateral walls of the maxillary sinus. The aim of this study was to determine whether there is a coincidence between these fracture patterns. METHODS: Four hundred large volume cone beam computed tomography scans (CBCT) of patients with a fracture of the mandible between 2008 and 2013 were analyzed retrospectively...
April 21, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28396232/treatment-of-osteomyelitis-a-case-for-disruption-of-the-affected-adjacent-periosteum
#9
John W Hudson, Austin P Daly, Michael Foster
PURPOSE: To evaluate the response of mandibular osteomyelitis treated by surgical decortication with disruption of the affected adjacent periosteum in concert with long-term targeted antibiotic therapy. The hypothesis is that, by removing the buccal cortical plate and disrupting the hypertrophically inflamed adjacent periosteum, the medullary bone will be brought in contact with bleeding tissue and circulating immunologic factors and antibiotics, which will promote definitive resolution...
October 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28325640/computed-tomography-based-3-dimensional-finite-element-analyses-of-various-types-of-plates-placed-for-a-virtually-reduced-unilateral-condylar-fracture-of-the-mandible-of-a-patient
#10
Kazuhiro Murakami, Kazuhiko Yamamoto, Tsutomu Sugiura, Satoshi Horita, Yumiko Matsusue, Tadaaki Kirita
PURPOSE: This study was performed to evaluate stresses in various types of plates placed for a virtually reduced unilateral condylar fracture of the mandible using computed tomography-based 3-dimensional finite element (FE) models of a patient to select the optimal plate system. MATERIALS AND METHODS: A computed tomography-based FE model of the mandible of a patient with a unilateral condylar fracture was constructed. The fracture was virtually reduced and fixed with 1 straight titanium plate; 2 straight titanium plates; 2 straight poly-L-lactic acid plates; and 4-hole (box), 5-hole (strut), and 7-hole (lambda) condylar plates...
June 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28257719/-closed-reduction-principles-can-manage-diverse-conditions-of-temporomandibular-joint-vertical-height-loss-from-displaced-condylar-fractures-to-idiopathic-condylar-resorption
#11
Dorrit W Nitzan, Sandro Palla
PURPOSE: The aim of this case series was to describe a modification of the classic "closed reduction" technique to manage unilateral or anterior open bite owing to a loss in vertical height (LVH) caused by several disorders and pathologies other than displaced condylar fractures. MATERIALS AND METHODS: The protocol included insertion of an occlusal appliance to increase the height of the premature contact and the width of the open bite, stabilization of the dental arches by rigid arches, and the use, during sleep, of rubber bands in the open bite region to pull the mandible cranially...
June 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28228883/posttraumatic-mandibular-asymmetry-presenting-in-a-young-adult
#12
Mahnaz Sheikhi, Maryam Ghazizadeh, Mohammad Mahdi Salehi
One of the most common sites of injury of the facial skeleton is mandibular condyle. However, it is the least diagnosed site of trauma in the head and neck regions. A trauma to the mandible and specifically condylar zone during childhood, may lead to asymmetry or mandibular bilateral distortion, which is usually manifested in the second decade of life when the etiology is unknown to most people. This report is about an adult male complaining about facial asymmetry with an unknown source. Obvious clicking at the right side and shorter right ramus and condyle's head deviation directed us to a childhood trauma and fracture...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28218215/correlation-between-condylar-fracture-pattern-after-parasymphyseal-impact-and-condyle-morphological-features-a-retrospective-analysis-of-107-chinese-patients
#13
Lu Han, Ting Long, Wei Tang, Lei Liu, Wei Jing, Wei-Dong Tian, Jie Long
BACKGROUND: The treatment of the condylar fractures is difficult. Factors that result in the fractures are complex. The objective of this morphometric study was to investigate the relationship between condylar fracture patterns and condylar morphological characteristics. METHODS: We conducted a retrospective analysis of 107 patients admitted to the West China Hospital of Stomatology for bilateral condylar fractures caused by parasymphyseal impact. The patients were divided into five groups according to the type of condylar fracture...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28144599/mandibular-fractures-and-associated-factors-at-a-tertiary-care-hospital
#14
Srikanth Gadicherla, Prem Sasikumar, Satpal Singh Gill, Manish Bhagania, Abhay Taranath Kamath, Kalyana Chakravarthy Pentapati
OBJECTIVES: The aim of this study was to evaluate the distribution, etiology and type of mandibular fractures in subjects referred to our institution. METHODS: A retrospective study of 689 subjects, during the period from May 2010 to September 2013 with mandibular fractures was conducted. Information on age, gender, mechanism of injury and sites of trauma was obtained from the trauma registry. Data were tabulated and analyzed statistically. RESULTS: A total of 653 subjects had mandibular fractures, out of which 574 were males...
December 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/28024774/three-dimensional-virtual-surgery-simulation-assisted-asymmetric-bilateral-mandibular-distraction-osteogenesis-for-a-patient-with-bilateral-condylar-fractures
#15
Myung-Jin Kim, Jihee Seo, Do-Keun Kim, Seung-Hak Baek
INTRODUCTION: Our objective was to report a patient treated with 3-dimensional virtual-surgery simulation-assisted asymmetric bilateral mandibular distraction osteogenesis. METHODS: A boy (age, 9.5 years) had mandibular hypoplasia and facial asymmetry, induced by bilateral condylar fractures at 4 years of age. The asymmetric bilateral mandibular distraction osteogenesis was planned to correct facial asymmetry and mandibular hypoplasia. The 3-dimensional virtual-surgery simulation results were 11 mm of horizontal distraction on the right side and 4...
January 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27939907/effect-of-interfragmentary-gap-on-the-mechanical-behavior-of-mandibular-angle-fracture-with-three-fixation-designs-a-finite-element-analysis
#16
COMPARATIVE STUDY
Russell Wang, Yunfeng Liu, Joanne Helen Wang, Dale Allen Baur
BACKGROUND: The aim of this study was to simulate stress and strain distribution numerically on a normal mandible under physiological occlusal loadings. The results were compared with those of mandibles that had an angle fracture stabilized with different fixation designs under the same loadings. The amount of displacement at two interfragmentary gaps was also studied. MATERIALS AND METHODS: A three-dimensional (3D) virtual mandible was reconstructed with an angle fracture that had a fracture gap of either 0...
March 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27873526/evaluation-of-complications-after-endoscopy-assisted-open-reduction-and-internal-fixation-of-unilateral-condylar-fractures-of-the-mandible-retrospective-analysis-2010-2015
#17
V Machoň, K Klíma, V Vlachopulos, J Valach, J Levorová, R Foltán
BACKGROUND: The authors present their experience with endoscopy assisted open reduction and internal fixation of condylar fractures of the mandible. Their results are presented in a retrospective study of 33 patients with unilateral subcondylar fracture, who underwent a surgical procedure between 2010 and 2015. Reduction and fixation, stability of occlusion 12 months after the operation and also presence of complications were evaluated. RESULTS: Satisfactory reduction (anatomic or physiologic) was achieved in 31 patients...
December 0: Acta Chirurgiae Plasticae
https://www.readbyqxmd.com/read/27829774/difficulties-encountered-in-preauricular-approach-over-retromandibular-approach-in-condylar-fracture
#18
Perumal Jayavelu, R Riaz, A R Tariq Salam, B Saravanan, R Karthick
Fracture of mandible can be classified according to its anatomical location, in which condylar fracture is the most common one overall and is missed on clinical examination. Due to the unique geometry of the mandible and temporomandibular joint, without treatment the fractures can result in marked pain, dysfunction, and deformity. The condylar fracture may be further classified depending on the sides involved: unilateral/bilateral, depending on the height of fracture: intracapsular (within the head of condyle), extracapsular - head and neck (high condyle fracture), and subcondylar (low condyle fracture), and depending on displacement: nondisplaced, displaced (anteromedially, medially, and lateral), and dislocated...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27761388/influence-of-the-impacted-mandibular-third-molars-on-fractures-of-the-mandibular-angle-and-condyle-a-prospective-clinical-study
#19
Arunesh Tiwari, Jeevan Lata, Madan Mishra
AIMS: This study was set out to evaluate the relationship between the presence and absence of unerupted mandibular third molar and fracture of mandibular angle/condyle, and to analyse if prophylactic removal of symptom-free unerupted mandibular third molar is beneficial. METHODS: Hundred patients of mandible fracture were selected randomly irrespective of age, sex, caste, creed and socio-economic status. Data were collected from the patients on the basis of history, clinical examination and radiographs for the following information: age, sex, aetiology of fracture, presence and status of the mandibular third molar and location of mandible fracture...
September 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27692999/-functional-treatment-of-children-subcondylar-fractures-an-axiographic-assessment
#20
S Vo Quang, J Dichamp, C Tomat, M P Vazquez, A Picard, N Kadlub
INTRODUCTION: Subcondylar fractures are common in children. Occlusion disorders resulting from these fractures in deciduous or mixed dentition do not have as much impact as in adults due to alveolar adaption possibilities. Functional treatment allows for good functional results, but does not treat the dynamic shortening of the ramus. The objective of this study was to evaluate the axiographic condylar slope changes after subcondylar fracture in children. MATERIALS AND METHODS: A prospective study was conducted from 2010 to 2015, including all the under-18 patients presenting with a subcondylar fracture...
December 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
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