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Mandible fractures

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https://www.readbyqxmd.com/read/29211352/histopathological-evaluation-of-the-effect-of-locally-administered-strontium-on-healing-time-in-mandibular-fractures-an-experimental-study
#1
Kasım Durmuş, Nergiz Hacer Turgut, Mehtap Doğan, Ersin Tuncer, Hatice Özer, Emine Elif Altuntaş, Melih Akyol
BACKGROUND: Mandibular fractures are the most common facial fractures. They can be treated by conservative techniques or by surgery. The authors hypothesized that the application of a single local dose of strontium chloride would accelerate the healing of subcondylar mandibular fractures, shorten the recovery time and prevent complications. OBJECTIVES: The aim of the present pilot study was to evaluate the effects of a single local dose of strontium chloride on the healing of subcondylar mandibular fractures in rats...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29208487/in-vitro-comparison-of-mechanical-resistance-between-two-straight-plates-and-a-y-plate-for-fixation-of-mandibular-condyle-fractures
#2
Glaciele Maria de Souza, Danillo Costa Rodrigues, Tóride Sebastião Celegatti Filho, Roger William Fernandes Moreira, Saulo Gabriel Moreira Falci
OBJECTIVE: To compare the mechanical resistance of conventional plates with a modified Y-plate in mandibular condyle fracture. MATERIALS AND METHODS: 40 synthetic hemi-mandibular polyurethane replicates were used. Two groups of fixing materials were included: 20 mandibles fixed with 40 straight plates with four roles each (2.0 mm system) and 20 mandibles fixed with 20 Y-shaped plates (2.0 mm system and 1.5 mm thickness). The samples were submitted to linear loading in the following directions: 10 mandibles from each group from lateral to medial and 10 mandibles from each group from anterior to posterior...
November 11, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29207772/comparison-of-pain-relief-from-different-intravenous-doses-of-ketorolac-after-reduction-of-mandibular-fractures
#3
Saeed Nezafati, Reza Khorshidi Khiavi, Seyyed Sina Mirinejhad, Dawood Aghamoh Ammadi, Milad Ghanizadeh
Introduction: Pain is an unpleasant feeling due to tissue destruction, which disturbs an individual's daily routines even at its lowest levels. The majority of surgeons and anaesthesiologists are increasingly trying to administer non-opioid analgesics because excessive use of opioids after surgery results in patient dissatisfaction. Aim: To evaluate the analgesic effect of intravenous injection of different doses of ketorolac at different intervals in patients undergoing surgery for unilateral fractures of the mandible...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29194270/trend-and-demographic-characteristics-of-maxillofacial-fractures-in-level-i-trauma-center
#4
Omri Emodi, Amir Wolff, Hanna Srouji, Hany Bahouth, Dani Noy, Imad Abu El Naaj, Adi Rachmiel
AIM: The aim of this study was to analyze the pattern and treatment of craniomaxillofacial injuries in the northern part of Israel, within a Jewish majority and large Arab minority population. PATIENTS AND METHODS: A 5-year retrospective study evaluated patients treated for craniomaxillofacial fractures. Fracture cause, type, site, and patient demographics were evaluated. RESULTS: Patient age ranged from 1 to 94 years with an average age of 36...
November 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29188648/-application-of-bone-grafts-from-chin-of-the-mandible-in-the-reconstruction-of-orbital-fracture
#5
Li Xiaoyu, Wu Jing, Du Xinya, Huang Jian, Wu Bin, Xie Chun
OBJECTIVE: To evaluate the clinical effects of bone graft from the mandible in repairing orbital floor defects. METHODS: Bone grafts from the mandible were used to treat 11 cases of orbital floor defects and followed up for 6-12 months. RESULTS: The surgical incisions healed primarily in all 11 patients. The orbital floor structure was restored. No vision loss, limited eye movement, implant infection, or resorption were observed postoperatively, and no complications occurred in the supply area...
October 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29175271/gnathodiaphyseal-dysplasia-severe-atypical-presentation-with-novel-heterozygous-mutation-of-the-anoctamin-gene-ano5
#6
Ghada A Otaify, Michael P Whyte, Gary S Gottesman, William H McAlister, J Eric Gordon, Abby Hollander, Marisa V Andrews, Samir K El-Mofty, Wei-Shen Chen, Deborah V Novack, Marina Stolina, Albert Woo, Panagiotis Katsonis, Olivier Lichtarge, Fan Zhang, Marwan Shinawi
Gnathodiaphyseal dysplasia (GDD; OMIM #166260) is an ultra-rare autosomal dominant disorder caused by heterozygous mutation in the anoctamin 5 (ANO5) gene and features fibro-osseous lesions of the jawbones, bone fragility with recurrent fractures, and bowing/sclerosis of tubular bones. The physiologic role of ANO5 is unknown. We report a 5-year-old boy with a seemingly atypical and especially severe presentation of GDD and unique ANO5 mutation. Severe osteopenia was associated with prenatal femoral fractures, recurrent postnatal fractures, and progressive bilateral enlargement of his maxilla and mandible beginning at ~2months-of-age that interfered with feeding and speech and required four debulking operations...
November 21, 2017: Bone
https://www.readbyqxmd.com/read/29174103/is-a-fractured-mandible-an-emergency
#7
D Hammond, S Parmar, J Whitty, M McPhillips, R Wain
We retrospectively audited the records of 708 patients who presented with the diagnosis of fractured mandible between January 2009 and July 2013 at the Queen Elizabeth Hospital, Birmingham. We assessed the different factors that may have altered their outcomes, and found that delay before definitive fixation caused no harm in either the short or the long term.
November 21, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29172311/case-report-metastatic-infratemporal-soft-tissue-myeloma-presenting-as-a-numb-lower-lip
#8
Niamh Rice, Badrinarayanan Srinivasan, David Macpherson
This is a case of a patient presenting to his general dental practitioner (GDP) with altered sensation in his lower lip with no obvious cause. Due to a prompt referral, the patient was investigated and diagnosed with an extramedullary presentation of multiple myeloma. A numb lip can present in general dental practice, although this is not common. There are several causes, for example, dental infection or fractured mandible. Clinical relevance: It is very important for the dental practitioner to recognize when there could be a potential sinister underlying cause and prompt referral, under the two week rule referral system, is indicated...
January 2017: Dental Update
https://www.readbyqxmd.com/read/29164183/removal-of-a-severely-impacted-mandibular-third-molar-minimizing-the-risks-of-compromised-periodontium-nerve-injury-and-mandibular-fracture
#9
Christos Tsamis, Stylianos Rodiou, Athanasios Stratos, Nikolaos Gkantidis
A technique is presented for severely impacted and dentigerous-cyst-related mandibular third molar removal, avoiding any associated risks. CASE PRESENTATION: A healthy patient complained about unpleasant smell and taste in the mouth and unilateral extraoral palpation of a protuberance, at the right corner of the mandible. Restricted field CBCT showed a severely impacted third molar, which penetrated the inferior cortical bone of the mandibular corner and was associated with a dentigerous cyst that had resorbed considerable bone in the region...
November 21, 2017: Quintessence International
https://www.readbyqxmd.com/read/29157541/imaging-of-dentoalveolar-and-jaw-trauma
#10
REVIEW
Reyhaneh Alimohammadi
Prior to the invention of cone beam CT, use of 2-D plain film imaging for trauma involving the mandible was common practice, with CT imaging opted for in cases of more complex situations, especially in the maxilla and related structures. Cone beam CT has emerged as a reasonable and reliable alternative considering radiation dosage, image quality, and comfort for the patient. This article presents an overview of the patterns of dental and maxillofacial fractures using conventional and advanced imaging techniques illustrated with multiple clinical examples selected from the author's oral and maxillofacial radiology practice database...
January 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/29153237/trauma-to-the-pediatric-temporomandibular-joint
#11
REVIEW
Sam S Bae, Sharon Aronovich
Management of pediatric condylar fractures presents a unique challenge because the developing mandible provides limited available bone for fixation and primary teeth preclude the use of typical closed reduction techniques. The available literature is reviewed with regard to closed and open treatment approaches.
February 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29141673/a-customized-fixation-plate-with-novel-structure-designed-by-topological-optimization-for-mandibular-angle-fracture-based-on-finite-element-analysis
#12
Yun-Feng Liu, Ying-Ying Fan, Xian-Feng Jiang, Dale A Baur
BACKGROUND: The purpose of this study was to design a customized fixation plate for mandibular angle fracture using topological optimization based on the biomechanical properties of the two conventional fixation systems, and compare the results of stress, strain and displacement distributions calculated by finite element analysis (FEA). METHODS: A three-dimensional (3D) virtual mandible was reconstructed from CT images with a mimic angle fracture and a 1 mm gap between two bone segments, and then a FEA model, including volume mesh with inhomogeneous bone material properties, three loading conditions and constraints (muscles and condyles), was created to design a customized plate using topological optimization method, then the shape of the plate was referenced from the stress concentrated area on an initial part created from thickened bone surface for optimal calculation, and then the plate was formulated as "V" pattern according to dimensions of standard mini-plate finally...
November 15, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29123991/the-use-of-synthes-matrixwave-bone-anchored-arch-bars-for-closed-treatment-of-multiple-concurrent-mandibular-fractures
#13
Elizabeth Kiwanuka, Rajiv Iyengar, Charles Christopher Jehle, Raman Mehrzad, Daniel Kwan
Background: Maxillomandibular fixation (MMF) is an important tool in the treatment of facial fractures and bone-anchored arch bar systems have emerged as treatment options. This study illustrates our experience with the Synthes MatrixWAVE MMF system and the novel application in closed treatment of patients with multiple concurrent mandibular fractures. Methods: We enrolled eight patients with concurrent mandibular fractures and treated them with the MatrixWAVE MMF system...
September 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29099374/traumatic-bone-cyst-of-an-anterior-mandible-with-previous-symphyseal-fracture-in-a-pediatric-patient-a-rare-finding-and-etiopathologic-correlation
#14
Kumar Nilesh, Aaditee V Vande, Shivsagar Tewary, K V Suresh
Traumatic bone cysts (TBCs) are uncommon intraosseous lesions, classified as pseudocysts because they lack an epithelial membrane lining. The etiology of a pseudocyst has not been determined. Various hypotheses have been put forward to explain its pathogenesis, of which the traumatic-hemorrhagic theory is the most commonly accepted. Minor trauma, insufficient to cause fracture or iatrogenic injury, is commonly implicated as the stimulus initiating cyst formation. A TBC presenting after jaw fracture has been rarely reported in the literature...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29094437/spontaneous-fracture-of-the-genial-tubercles-of-the-mandible-a-case-report-and-review-of-the-literature
#15
Clifton Wan, Conor Bowe, Satish Madhavarajan
OBJECTIVE: To present a case of spontaneous fracture of the genial tubercles of the mandible and a review of the literature. BACKGROUND: Resorption of the mandible is well documented in edentulous patients. During this process, the genial tubercles, origin for both genioglossus and geniohyoid muscles, become more prominent and prone to trauma especially from poorly fitted lower full dentures and lead to fracture and separation of the genial tubercles from the mandible...
December 2017: Gerodontology
https://www.readbyqxmd.com/read/29091905/the-effect-of-range-and-ammunition-type-on-fracture-patterns-in-porcine-postcranial-flat-bones
#16
Kleio Fragkouli, Eyad Al Hakeem, Ozgur Bulut, Tal Simmons
Pig half-carcasses were shot in scapulae, ribs and mandibles with either 0.243 hunting rifle using high velocity expanding ammunition (N = 30) or AK47 using full metal jacketed (FMJ) ammunition (N = 12) from a range of either 5 or 20 m. Fracture patterns related to distance of fire and ammunition type were compared on de-fleshed, macerated, and reconstructed bones. For expanding ammunition, location of fracture on ribs affected the resulting pattern. Scapulae shot from 5 m presented a comminuted pattern different from those shot from 20 m...
October 5, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29064221/management-of-mandibular-fractures-in-pediatric-patients-with-conservative-technique-a-case-series
#17
Manisha Sahni Prabhakar, Khushboo Kansal, Arjun Chawdhry
The management of fractures in children is complex compared to that of adults because of greater elasticity of bone, presence of tooth buds, faster healing rate, potential for future growth and lesser co-operative ability. Fractures of the mandible in children are conventionally treated by circummandibular wiring. This paper reports a variation in the technique of using circummandibular wiring with acrylic splints in the conservative treatment of mandibular fractures in two pediatric patients.
March 2017: Journal of the California Dental Association
https://www.readbyqxmd.com/read/29062645/a-technique-for-reduction-of-edentulous-fractures-using-dentures-and-smartlock-hybrid-fixation-system
#18
Anna Rose Carlson, Ronnie Labib Shammas, Alexander Christopher Allori, David Bryan Powers
Establishing anatomic reduction of an edentulous mandible fracture is a frequently acknowledged challenge in craniomaxillofacial trauma surgery. In this study, we report a novel method for the reduction of the edentulous mandible fracture, via fabrication of modified Gunning splints using existing dentures and SMARTLock hybrid arch bars. This technique dramatically simplifies the application of an arch bar to dentures, obviates the need for the fabrication of impressions and custom splints, and eliminates the lag time associated with the creation of splints...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29056288/evaluation-of-an-experimental-oblique-plate-for-osteosynthesis-of-mandibular-condyle-fractures
#19
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/29055572/prescription-of-antibiotics-does-it-alter-the-outcome-for-patients-who-have-fractures-of-the-angle-of-the-mandible
#20
D Hammond, S Parmar, J Whitty, M McPhillips, R Wain
We retrospectively studied 708 consecutive patients at the Queen Elizabeth Hospital, Birmingham, to find out whether one of the four antibiotic protocols in use conferred any advantage (or disadvantage) on a patient who had a fractured angle of the mandible, and there was none. However, the time from initial injury until the time of the first dose of antibiotic was important. Clinically, if patients waited more than 72hours after the injury before the first dose of antibiotic was given, they had a three times higher rate of postoperative infection than patients who were given their first dose between 24 and 72hours after the injury...
November 2017: British Journal of Oral & Maxillofacial Surgery
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