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https://www.readbyqxmd.com/read/28433980/a-paediatric-case-of-bilateral-mandibular-condyle-fracture-presenting-with-bloody-otorrhoea-following-trauma
#1
Yat Chun Chan, Kwan Leong Au-Yeung
A 7-year-old boy presented to the emergency department with bilateral bloody otorrhoea after falling from his scooter. Skull base fracture was suspected. CT showed no evidence of skull base fracture but bilateral mandibular condyle and external acoustic canals fractures. We report this case to illustrate a rare possibility of bilateral external acoustic canal fracture associated with condylar fracture in trauma patients presented with bloody otorrhoea.
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28432520/unexpected-death-after-occipital-condylar-fracture
#2
Vincent J Bulthuis, E M J Cornips, J Dings, H van Santbrink, A A Postma
We present a rare fatal complication of an occipital condylar fracture. The patient was initially neurologically intact, but showed secondary clinical deterioration. Imaging revealed extensive extra-axial hemorrhage at the craniocervical junction and an acute obstructive hydrocephalus. MR imaging demonstrated a T2 hyperintens signal in both the lower brainstem and upper cervical spinal cord, likely caused by the extra-axial hemorrhage. As prognosis was estimated infaust, supportive treatment was discontinued and the patient died soon thereafter...
April 21, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28429855/coincidence-of-mandibular-fractures-with-isolated-posterior-maxillary-sinus-fractures
#3
Sebastian Blatt, Roman Rahimi-Nedjat, Keyvan Sagheb, Lisa Piechowiak, Christian Walter, Dan Brüllmann
BACKGROUND/AIM: There is no data available to show whether there is a relationship between mandibular fractures and isolated fractures of the posterior and/or latera wals 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/28414988/response-of-mandibular-condyles-of-juvenile-and-adult-rats-to-abnormal-occlusion-and-subsequent-exemption
#4
Guang Zeng, Bin Kuang, Wen-Xing Xun, Gao-Tong Ren, Ke-Wen Wei
OBJECTIVE: The adaptation capacities of the mandibular condyle in response to mechanical stimuli might be different between juveniles and adults, but has not been compared. This study aimed to investigate whether abnormal molar occlusion and subsequent molar extraction could lead to different remodeling responses in the mandibular condyles of juvenile and adult rats. METHODS: Abnormal molar occlusion (AMO) was established in the 5- and 16-wk old rats by moving their maxillary left and mandibular right third molars distally...
March 28, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28414870/three-dimensional-skeletal-mandibular-changes-associated-with-herbst-appliance-treatment
#5
B Q Souki, P L C Vilefort, D D Oliveira, I Andrade, A C Ruellas, M S Yatabe, T Nguyen, L Franchi, J A McNamara, L H S Cevidanes
OBJECTIVES: Three-dimensional evaluation of skeletal mandibular changes following Herbst appliance treatment. SETTING AND SAMPLE POPULATION: Retrospective case-control study, based on a sample size calculation. Twenty-five pubertal patients treated with Herbst appliance (HAG), and 25 matched Class II patients who received other non-orthopaedic dental treatments (CG). MATERIAL AND METHODS: Three-dimensional models were generated from pre-treatment (T0) and post-treatment (T1) cone beam computed tomograms...
May 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28413149/association-of-temporomandibular-joint-pain-according-to-magnetic-resonance-imaging-findings-in-temporomandibular-disorder-patients
#6
Namiaki Takahara, Satoshi Nakagawa, Kanako Sumikura, Yuji Kabasawa, Ichiro Sakamoto, Hiroyuki Harada
PURPOSE: This study investigated the associations between magnetic resonance imaging (MRI) findings and pain in the temporomandibular joint (TMJ). MATERIALS AND METHODS: The study included 646 TMJs of 323 consecutive patients with temporomandibular disorders; of these, 222 (34.4%) had TMJ pain whereas 424 (65.6%) had no TMJ pain. MRI scans were used to evaluate disc position, osteoarthritis, joint fluid, and bone marrow edema. Internal derangement was classified as normal, anterior disc displacement with reduction, and anterior disc displacement without reduction (ADDWOR); condylar morphology was classified as normal, moderate bony change, and severe bony change...
March 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28412789/-development-and-preliminary-clinical-application-of-home-made-temporomandibular-joint-prostheses
#7
D M He, L Z Zhang, C Yang
Objective: To explore the clinical application of home-made temporomandibular joint (TMJ) prostheses. Methods: Self-developed TMJ prostheses were applied for end stage osteoarthritis, TMJ ankylosis, condylar tumors after biomechanical examination. The stability of the prostheses toward bone was evaluated during operation. Post-operative CT scans and clinical follow-ups were taken to check changes of mouth opening, position of the prostheses, bone resorption around the screws, and heterotopic bone formation around artificial condyle...
April 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28412268/how-is-third-molar-status-associated-with-the-occurrence-of-mandibular-angle-and-condyle-fractures
#8
Shuai Xu, Jun-Jie Huang, Yu Xiong, Ying-Hui Tan
PURPOSE: Third molars (M3s) have been hypothesized to be associated with the risk of mandibular angle fracture and mandibular condylar fracture. The authors systematically estimated the relative risk (RR) of M3 status for the development of mandibular angle fracture and mandibular condylar fracture through a meta-analysis of cohort studies. MATERIALS AND METHODS: In this systematic review, the PubMed, EMBASE, and Cochrane Library databases were searched from inception to October 2016...
March 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28410886/the-autogenous-graft-versus-transport-distraction-osteogenesis-for-reconstruction-of-the-ramus-condyle-unit-a-prospective-comparative-study
#9
S Kohli, S Mohanty, S Singh, Sandeep, J Dabas, R Patel
This study aimed to compare the joint function and morphology achieved following condylar reconstruction using sternoclavicular grafts (SCG) versus transport distraction osteogenesis (TDO) in temporomandibular joint (TMJ) ankylosis patients. Twenty-two patients with TMJ ankylosis underwent TMJ reconstruction with SCG or TDO (n=11 each). Radiographic and clinical evaluations were performed at 1 week and at 1, 3, and 6 months post-surgery. Clinical criteria examined included the duration of surgery, mean postoperative mouth opening, excursive jaw movements, and pain scores...
April 11, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28409214/-fractures-of-the-upper-limbs-in-childhood-and-adolescence
#10
P P Schmittenbecher
Fractures of the upper limbs are frequent and often need operative treatment in addition to a well-indicated conservative management. This depends on the maturity of the nearest growth plate and the local remodeling potential, which is dependent on age. Following conventional x‑ray imaging an individual prognostic growth analysis leads to the therapeutic decision. Around the elbow and the shaft of the forearm, criteria are stricter than near the shoulder or wrist. Gilchrist or Desault bandages as well as braces are adequate for most subcapital and humeral shaft fractures...
April 13, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28396232/treatment-of-osteomyelitis-a-case-for-disruption-of-the-affected-adjacent-periosteum
#11
J 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...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28392230/changes-in-condylar-position-after-bssro-with-and-without-le-fort-i-osteotomy-via-surgery-first-approach-in-mandibular-prognathism-with-facial-asymmetry
#12
Jiyin Li, Sun-Youl Ryu, Hong-Ju Park, Min-Suk Kook, Seunggon Jung, Jeong Joon Han, Hee-Kyun Oh
OBJECTIVES: This study aimed to evaluate changes in condylar position after bilateral sagittal split ramus osteotomy (BSSRO) with and without Le Fort I osteotomy via the surgery-first approach (SFA) in patients with facial asymmetry. STUDY DESIGN: Eighteen patients (36 condyles) who received surgical-orthodontic treatment using the SFA were included and divided into 2 groups depending on the extent of surgery: BSSRO-only group (n = 12) and BSSRO with Le Fort I osteotomy group (n = 6)...
February 6, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28391764/physiological-positioning-strategy-alters-condylar-position-after-mandibular-ramus-sagittal-split-osteotomies-for-mandibular-prognathism
#13
Seigo Ohba, Hiroya Ozaki, Kei-Ichirou Miura, Takamitsu Koga, Takako Kawasaki, Noriaki Yoshida, Izumi Asahina
OBJECTIVE: The aim of this study was to elucidate the physiological position of the proximal segment for postoperative jaw movement in patients with mandibular prognathism. METHODS: Twenty-two patients with mandibular prognathism were treated by orthognathic surgery using bilateral mandibular sagittal split ramus osteotomies (SSRO) with a physiological positioning strategy. The skeletal stability was assessed, and the movement of the proximal segment was evaluated by cephalography and computed tomography performed preoperatively, immediately postoperatively, and one year postoperatively...
April 8, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28391440/paediatric-lateral-humeral-condylar-fracture-outcomes-at-twelve-years-follow-up-as-compared-with-age-and-sex-matched-paired-controls
#14
Juha-Jaakko Sinikumpu, Tytti Pokka, Sarita Victorzon, Eija-Leena Lindholm, Willy Serlo
INTRODUCTION: Lateral humeral condylar fractures are the second most common elbow fractures in children. We present the long-term clinical and radiographic results. MATERIAL AND METHODS: All children (<16 years) in the geographic catchment area with lateral condylar fracture were asked to participate and 32 (76.2%) patients enrolled. Clinical and functional results are compared with randomly selected but age and sex matched normal controls at 12.4 years (range 10...
April 8, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28390685/plate-fixation-for-letenneur-type-i-hoffa-fracture-a-biomechanical-study
#15
Hui Sun, Qi-Fang He, Yi-Gang Huang, Jian-Feng Pan, Cong-Feng Luo, Yi-Min Chai
BACKGROUND: A coronal fracture of the posterior femoral condyle, also known as a Hoffa fracture, is an unusual injury, and there are only a handful of case reports or series exploring it. The optimal fixation method of these intraarticular fractures remains controversial; improper or unstable fixation usually lead to an unsatisfactory prognosis. The use of posterior-anterior or reversed lag screw fixation is still a popular method. Additional buttress plating is also recommended for fixation of these difficult fractures...
March 30, 2017: Injury
https://www.readbyqxmd.com/read/28387436/2d-3d-reconstruction-of-the-distal-femur-using-statistical-shape-models-addressing-personalized-surgical-instruments-in-knee-arthroplasty-a-feasibility-analysis
#16
Pietro Cerveri, Costanza Sacco, Gianluca Olgiati, Alfonso Manzotti, Guido Baroni
BACKGROUND: Personalized surgical instruments (PSI) have gained success in the domain of total knee replacement, demonstrating clinical outcomes similar or even superior to both traditional and navigated surgeries. The key requirement for prototyping PSI is the availability of the digital bony surface. In this paper, we aim at verifying whether the 2D/3D reconstruction of the distal femur, based on statistical shape models (SSM), grants sufficient accuracy, especially in the condylar regions, to support a PSI technique...
April 7, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28384976/computed-tomographic-evaluation-of-condylar-symmetry-and-condyle-fossa-relationship-of-the-temporomandibular-joint-in-subjects-with-normal-occlusion-and-malocclusion-a-comparative-study
#17
Vivek Reddy Ganugapanta, Swaroopa Rani Ponnada, Kranthi Praveen Raju Gaddam, Kiran Perumalla, Imran Khan, Naqeed Abdul Mohammed
INTRODUCTION: The relationship of the condyle and the mandibular fossa differs in shape with type of malocclusion and skeletal pattern. A review of literature shows till date there are no studies on Temporomandibular Joint (TMJ) condyle-fossa relation to the type of malocclusion based on growth pattern. Computed Tomography (CT) provides optimal imaging of the osseous components of the TMJ. AIM: The purpose of this study was to investigate the condyle-fossa relationship and the dimensional and positional symmetries between the right and left condyles in subjects with normal occlusion and malocclusion in different growth patterns utilizing the CT scans of the TMJ...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28381373/the-use-of-patient-specific-implants-in-orthognathic-surgery-a-series-of-30-mandible-sagittal-split-osteotomy-patients
#18
Juho Suojanen, Junnu Leikola, Patricia Stoor
PURPOSE: Virtual surgery combined with patient-specific saw and drill guides and osteosynthesis materials are rapidly spreading from reconstructive surgery to orthognathic surgery. Most commercial partners are already providing computer-aided design and computer-aided manufacture (CAD/CAM) wafers and patient-specific saw guides. Clear benefits have been demonstrated for custom-made drill guides combined with individually designed three-dimensional (3D) printed patient-specific implants (PSI) as a reposition and fixation system in Le Fort I osteotomy...
March 3, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28381371/condylar-geometry-variation-is-associated-with-enpp1-variant-in-a-population-of-patients-with-dento-facial-deformities
#19
Marion Constant, Romain Nicot, Alexandre R Vieira, Gwenael Raoul, James J Sciote, Joel Ferri
PURPOSE: Bone remodeling is essential in maintaining bone health. Considering that ENPP1 contributes to bone geometry and bone mineralization, the aim of our study was to analyze the association between single-nucleotide polymorphisms (SNPs) of ENPP1 and condylar remodeling. MATERIALS AND METHODS: A total of 156 patients undergoing orthodontic and maxillofacial surgery treatment for correction of malocclusion were included in this prospective study. Saliva samples from all subjects were used for DNA extraction and genotyping...
March 8, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28379515/far-lateral-approach-without-drilling-the-occipital-condyle-for-vertebral-artery-posterior-inferior-cerebellar-artery-aneurysms
#20
Pablo Seoane, Samuel Kalb, Justin C Clark, Juan C Rivas, David S Xu, George A C Mendes, Mark C Preul, Joseph M Zabramski, Robert F Spetzler, Peter Nakaji
BACKGROUND: The far-lateral transcondylar surgical approach is often used to clip vertebral artery (VA) and posterior inferior cerebellar artery (PICA) aneurysms. The role of condyle resection during this approach is controversial. OBJECTIVE: To evaluate patient outcomes in patients with VA-PICA aneurysms in whom drilling the occipital condyle was not necessary. METHODS: Between May 2005 and December 2012, a total of 56 consecutive patients with incidental or ruptured VA-PICA aneurysms underwent surgery with a far-lateral approach without condylar resection...
April 4, 2017: Neurosurgery
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