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Mandible fracture

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https://www.readbyqxmd.com/read/29669177/mutations-that-alter-the-carboxy-terminal-propeptide-cleavage-site-of-the-chains-of-type-i-procollagen-are-associated-with-a-unique-osteogenesis-imperfecta-phenotype
#1
Tim Cundy, Michael Dray, John Delahunt, Jannie Dahl Hald, Bente Langdahl, Chumei Li, Marta Szybowska, Shehla Mohammed, Emma L Duncan, Aideen M McInerney-Leo, Patricia G Wheeler, Paul Roschger, Klaus Klaushofer, Jyoti Rai, MaryAnn Weis, David Eyre, Ulrike Schwarze, Peter H Byers
Osteogenesis imperfecta (OI) is a genetic bone disorder characterized by fractures, low bone mass, and skeletal fragility. It most commonly arises from dominantly inherited mutations in the genes COL1A1 and COL1A2 that encode the chains of type I collagen. A number of recent reports have suggested that mutations affecting the carboxyl-terminal propeptide cleavage site in the products of either COL1A1 or COL1A2 give rise to a form of OI characterized by unusually dense bones. We have assembled clinical, biochemical, and molecular data from 29 individuals from 8 families with 7 different mutations affecting the C-propeptide cleavage site...
April 18, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29655660/use-of-the-matrixwave%C3%A2-system-with-dentures-to-establish-maxillomandibular-fixation-in-edentulous-patients
#2
N B Agochukwu, J Maus, D Wang, D Stewart
Various methods have been described to establish maxillomandibular fixation in the treatment of fractures of atrophic, edentulous mandibles. We used the Synthes MatrixWAVE™ system (DePuy Synthes) in combination with dentures in two patients with fractured, edentulous, atrophic mandibles. Fixation was maintained for fractures that were not amenable to, or did not require, open reduction and internal fixation, and the mandibles were both well-healed and had good function at the end of treatment.
April 11, 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29652013/changing-trends-in-maxillofacial-trauma-a-15-years-retrospective-study-in-the-southern-part-of-haryana-india
#3
Ashish Gupta, Aby K Babu, Pankaj Bansal, Rahul Sharma, Sneha D Sharma
Objective: The aim is to analyze the pattern of maxillofacial injuries and treatment outcomes in the past 15 years (2002-2016). Materials and Methods: One thousand eight hundred and fifty patients from two tertiary referral center hospitals were studied retrospectively in which the age, sex, etiology, site of fracture, and treatment modality was recorded. Results: One thousand two hundred and twenty-eight males and 622 females were operated between 2002 and 2016...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29650355/a-prospective-study-examining-the-effects-of-treatment-timing-in-the-management-of-mandible-fractures
#4
M J L Hurrell, M C David, M D Batstone
The ideal timing for treatment of mandible fractures has not been well established. The objective of this study was to analyse the effects of treatment timing in the surgical management of mandible fractures. A prospective evaluation of 215 continuous patients with a total of 359 mandible fractures was undertaken. Nine outcome variables were analysed in relation to treatment delay by logistic regression modelling: wound dehiscence, hardware exposure, local postoperative infection, malocclusion, trismus, nerve damage, fracture non-union, return to theatre, and radiographic outcome...
April 10, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29644316/managing-a-grossly-comminuted-and-infected-mandibular-fracture-using-a-maxillary-extra-oral-distractor-as-stabilizing-agent-a-clinical-case-report
#5
Ding Ming Chao, Shi Jin, Kalu Singh Khatri, Zhao Jin Long, Tian Lei, He Lisheng
Facial fracture management dates as early as Hippocratic era. Comminuted mandibular fractures are one of the challenging clinical condition requiring high surgical expertise to achieve a good functional and esthetic outcome. In presence of infection and other facial fractures managing comminuted mandibular fracture becomes more challenging. Here we present a case of grossly comminuted and infected mandibular fracture with delayed presentation managed by using maxillary distractor as stabilizing agent. Using a maxillary distractor for managing a fractured mandible has been seldom reported in literature...
June 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29618879/pediatric-facial-fractures-a-10-year-study
#6
Rajarshi Ghosh, K Gopalkrishnan, Jawahar Anand
Aims and Objectives: The aim of the study is to retrospectively analyse the incidence of facial fractures along with age, gender predilection, etiology, commonest site, associated dental injuries and any complications of paediatric patients operated in Craniofacial unit of SDM college of dental sciences and hospital. Materials and Methods: This retrospective study was conducted at the department of OMFS, SDM College of Dental Sciences, Dharwad from January 2003-December 2013...
June 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29609426/panfacial-bone-fracture-cephalic-to-caudal
#7
REVIEW
Seonsik Yun, Youngcheon Na
Theoretically, panfacial bone fractures involve all three areas of the face: frontal bone, midface, and mandible. In practice, when two out of these three areas are involved, the term "panfacial bone fracture" has been applied. We can use physical examination, simple radiologic examination, and computed tomography study for diagnosis. Linear fracture are treated by conservative treatment. But, most of panfacial bone fracture patients need to be treated by open reduction and internal fixation. Facial width is most important thing that we need to care during operation...
March 2018: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29608476/outcomes-after-open-reduction-with-internal-fixation-of-mandible-fractures
#8
Rahman G Barry, Thao T Wolbert, Todd W Gress, Peter D Ray, Farid B Mozaffari
INTRODUCTION/HYPOTHESIS: Mandible fractures contribute substantially to morbidity after blunt trauma. Controversy exists surrounding the appropriate timing of surgical intervention and benefit from routine postreduction imaging. METHODS: The authors retrospectively reviewed 146 patients who sustained traumatic mandible fractures at a level 2 trauma center over a 5-year period, between January 2012 and December 2016. The authors excluded all patients who did not undergo surgery, underwent operative closed reduction only, sustained other significant maxillofacial injuries, penetrating mechanisms, and other major injuries based on injury severity scores (ISS) over 15...
March 30, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29595397/rostral-mandibular-fracture-repair-in-a-pet-bearded-dragon-pogona-vitticeps
#9
Melissa R Nau, David Eshar
CASE DESCRIPTION A 2-year-old male bearded dragon (Pogona vitticeps) was evaluated because of a traumatic mandibular fracture. CLINICAL FINDINGS An open comminuted fracture of the rostral aspect of the right mandible was evident, with a fragment of bone exposed and dorsally displaced. Whole-body radiography revealed no evidence of additional injury. Other findings were unremarkable, except for moderate anemia (PCV, 19%). TREATMENT AND OUTCOME The fracture fragments were stabilized with 2 crossed 36-gauge interfragmentary wire loops...
April 15, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29580723/the-performance-of-a-zirconium-based-root-filling-material-with-artifact-reduction-properties-in-the-detection-of-artificially-induced-root-fractures-using-cone-beam-computed-tomographic-imaging
#10
Aaron Fox, Bettina Basrani, Ernest W N Lam
INTRODUCTION: Limited field of view cone-beam computed tomographic (CBCT) imaging has been used to augment clinical testing of vertical root fractures (VRFs); however, the presence of gutta-percha (GP) in the canal space generates substantial imaging artifacts that make fracture detection difficult. The purpose of this study was to evaluate the influence of a zirconium (Zr)-based root filling material with radiologic properties that reduce beam hardening (BH) artifacts using CBCT imaging in the in vitro diagnosis of VRFs...
March 23, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29562730/suppression-effect-of-astaxanthin-on-osteoclast-formation-in-vitro-and-bone-loss-in-vivo
#11
Yun-Ho Hwang, Kwang-Jin Kim, Su-Jin Kim, Seul-Ki Mun, Seong-Gyeol Hong, Young-Jin Son, Sung-Tae Yee
Osteoporosis is characterized by a reduction of the bone mineral density (BMD) and microarchitectural deterioration of the bone, which lead to bone fragility and susceptibility to fracture. Astaxanthin (AST) has a variety of biological activities, such as a protective effect against asthma or neuroinflammation, antioxidant effect, and decrease of the osteoclast number in the right mandibles in the periodontitis model. Although treatment with AST is known to have an effect on inflammation, no studies on the effect of AST exposure on bone loss have been performed...
March 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29559219/rehabilitation-of-edentulous-jaws-with-zirconia-complete-arch-fixed-implant-supported-prostheses-an-up-to-4-year-retrospective-clinical-study
#12
Michael Tischler, Claudia Patch, Avinash S Bidra
STATEMENT OF PROBLEM: Limited data are available on the clinical outcomes of patients with edentulism treated with zirconia complete-arch fixed implant-supported prostheses (CAFIPs). PURPOSE: The primary purpose of this retrospective clinical study was to study the failure rate of dental implants as well as the fracture rate of zirconia CAFIPs. The secondary purpose was to study the survival outcomes of patients with edentulism treated with zirconia CAFIPs as well as the rate of technical complications...
March 17, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29549018/can-a-facial-injury-severity-scale-be-used-to-predict-the-need-for-surgical-intervention-and-time-of-hospitalization
#13
Tiago Gai Aita, Cecília Luiz Pereira Stabile, Cássia Cilene Dezan Garbelini, Glaykon Alex Vitti Stabile
PURPOSE: We aimed to evaluate whether the Facial Injury Severity Scale (FISS), proposed by Bagheri et al in 2006, can predict intervention needs in the operating room (OR), length of hospital stay, and need for support by other specialties. PATIENTS AND METHODS: Data were collected from the medical records of trauma patients from a public tertiary hospital between January 2009 and December 2015, related to age, gender, comorbidities, habits, history of maxillofacial trauma, etiology, and presence and location of fractures and lacerations, in addition to type of treatment performed and period of hospitalization...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29543680/anatomical-examination-of-mandibular-condyle-protrusion-into-the-middle-cranial-fossa-cadaveric-dissection
#14
Charlotte Wilson, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
Trauma to the mandible can occasionally be a life-threatening event. Although extremely rare with only 56 reported patients in the English language, fracture of the floor of the middle cranial fossa with protrusion of the mandibular condyle into the middle cranial fossa was first reported in 1963 by Dingman. The authors review the anatomy of the temporomandibular joint in relation to the middle cranial fossa and demonstrate the possible complications due to condylar intrusion with anatomical dissection.
March 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29526414/experiences-with-a-modified-preauricular-mini-incision-with-subdermally-dissection-in-condylar-and-subcondylar-fractures-of-the-mandible
#15
Said Algan, Murat Kara, Mehmet Akif Cakmak, Onder Tan, Hakan Cinal, Ensar Zafer Barin, Akin Inaloz
OBJECTIVE: Condylar and subcondylar fractures (CSFs) are among the most common mandible fractures. If reduction of these fractures is not carried out correctly, serious complications can result, including infection, damage to temporomandibular joint (TMJ) function, malocclusion, nonunion, malunion, and ankylosis of the TMJ. METHODS: We used a preauricular, mini-incision, open technique (PMIOT) for CSF of the mandible. 66 patients (48 males, 18 females), with a total of 72 CSFs of the mandible, were repaired with PMIOT between 2011 and 2016...
February 8, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29526035/trends-and-characteristics-of-maxillofacial-fractures-sustained-during-sports-activities-in-japan
#16
Kazuhiko Yamamoto, Yumiko Matsusue, Satoshi Horita, Kazuhiro Murakami, Tsutomu Sugiura, Tadaaki Kirita
BACKGROUND/AIM: Sports activity increases the risk of maxillofacial fractures. The aim of this study was to analyze trends and characteristics of maxillofacial fractures sustained during sports activity to develop more effective treatments and possibly to prevent injury. MATERIALS AND METHODS: Data of 248 patients with maxillofacial fractures sustained during sports activity were retrospectively analyzed based on their clinical records and radiographs. RESULTS: The patients were 226 males (91...
March 11, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/29521761/office-based-three-dimensional-printing-workflow-for-craniomaxillofacial-fracture-repair
#17
Adekunle Elegbede, Silviu C Diaconu, Colton H L McNichols, Michelle Seu, Yvonne M Rasko, Michael P Grant, Arthur J Nam
Three-dimensional printing of patient-specific models is being used in various aspects of craniomaxillofacial reconstruction. Printing is typically outsourced to off-site vendors, with the main disadvantages being increased costs and time for production. Office-based 3-dimensional printing has been proposed as a means to reduce costs and delays, but remains largely underused because of the perception among surgeons that it is futuristic, highly technical, and prohibitively expensive. The goal of this report is to demonstrate the feasibility and ease of incorporating in-office 3-dimensional printing into the standard workflow for facial fracture repair...
March 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29491620/cervicofacial-infection-in-a-3-year-old-child-with-regional-odontodysplasia-a-case-report-and-literature-review
#18
Eleanor Bowden, Conor Carroll, Mishaal Gill, Rodney Llewelyn
Regional odontodysplasia (RO) also known as ghost teeth is a rare developmental anomaly affecting the mesodermal and ectodermal components of teeth with characteristic clinical and radiographic findings. The enamel and dentin are hypomineralized and hypocalcified with short roots and open apices. The affected teeth have an abnormal morphology, meaning they are fragile and thin and liable to fracture and decay. Radiographically, there is a marked reduction in radiodensity with little distinction between the enamel and dentin, hence the term "ghost teeth...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29485575/surgical-treatment-for-extracapsular-condylar-fractures-of-the-mandible
#19
Maria C Closs Ono, André D de Morais, Renato da S Freitas, Gilvani A de Oliveira E Cruz
BACKGROUND: Condylar fractures are considered the most controversial mandibular fractures, regarding both the diagnosis and the treatment. With the increase in surgical indications for handling this type of fracture, it is important to discuss about the advantages and disadvantages of the several surgical approaches available. This article describes the surgical details and postoperative results of the mini-retromandibular transparotid approach for treating extracapsular condylar fractures of the mandible...
February 26, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29481508/suitability-of-wrist-external-fixator-for-treatment-of-mandibular-fracture
#20
Marília Gabriela Mendes de Alencar, Manoela Moura De Bortoli, Thiago Coelho Gomes da Silva, Emanuel Dias de Oliveira E Silva, José Rodrigues Laureano Filho
The mandibular fracture is one of the most commonly fractures of the facial bones. In high-energy traumas, a comminuted mandible fracture may occur. The closed reduction with external fixator is an interesting alternative for these types of fractures. The aim of this article is to report the case of a patient with comminuted fracture in the right mandibular body, whose surgical treatment was the noninvasive reduction of fracture and stabilization using a Colles' wrist external fixator. After 1 year of follow-up, the patient is without complaints, with satisfactory dental occlusion, adequate contour, and mandibular alignment...
February 23, 2018: Journal of Craniofacial Surgery
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