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Chandrashekhar R Bande, Akshay Mishra, M K Gupta, Manu Goel, Mayur J Gawande
PURPOSE: Resections in the posterior component of the oral cavity usually lead to severe functional compromise and lower quality of life for patients. Notable advances in reconstruction of the posterior part of the mouth and of the oropharynx have occurred in recent decades. The anatomic and physiologic rehabilitation of the defect to a reasonable outcome with low morbidity and mortality remains the founding basis of any surgical reconstruction, which also holds true for oral oropharyngeal and retromaxillary reconstructions...
September 17, 2016: Journal of Oral and Maxillofacial Surgery
W R Pires, J P Bonardi, L P Faverani, G A C Momesso, X M J P Muñoz, A F M Silva, S R Panzarini, A P F Bassi, D Ponzoni
Factors associated with the diagnosis, aetiology, and treatment of mandibular fractures occurring during the postoperative period following the removal of a lower third molar are discussed. The following databases were searched using specific key words: PubMed/MEDLINE, LILACS, Embase, and Scopus. The search yielded 124 cases. Sex, age, side, tooth position and angulation, bone impaction, relationship between the tooth and the inferior alveolar nerve, local pathological conditions, aetiology of the fracture, symptomatology, and time between surgery and fracture, as well as any displacement of the fracture and the treatment of the fracture, were evaluated...
September 26, 2016: International Journal of Oral and Maxillofacial Surgery
Yunfeng Li, Zhiai Hu, Bin Ye, Yao Liu, Xiaochun Ren, Songsong Zhu
PURPOSE: Orthognathic surgery is an efficient procedure for cosmetic and functional aims. However, when functional improvement is achieved by mandibular or maxillary operations, additional esthetic corrections may be imperative for some patients. This study aims to introduce our primary practice of simultaneous facial bone contouring and orthognathic surgery for esthetic reasons. PATIENTS AND METHODS: Ten patients with dentofacial deformities as well as a prominent angle, asymmetric deformities, or a high zygoma and zygomatic arch were recruited from West China Hospital of Stomatology, Sichuan University (Chengdu, China), between January 1, 2014, and July 31, 2015...
August 31, 2016: Journal of Oral and Maxillofacial Surgery
Wooyeol Baek, Taeyong Woo, Young Seok Kim, In Sik Yun, Jimyung Kim, Se Woon Choi, Tai Suk Roh, Dae Hyun Lew
BACKGROUND: Reduction malarplasty to correct prominent malar complex is popular in Asians. Despite the popularity of reduction malarplasty, most of the surgical methods applied are not selected according to the degree of zygoma protrusion. In this study, we analyzed the effectiveness of two different surgical procedures to clarify their appropriateness for each zygoma type. METHODS: One of the procedures used was the "bidirectional wedge ostectomy," in which a bidirectional wedge-shaped bone fragment was removed from the zygomatic body via oral incision and oblique complete osteotomy of the zygomatic arch via sideburn incision...
August 2, 2016: Journal of Cranio-maxillo-facial Surgery
Arif Razzak, Nabeela Ahmed, Andrew Sidebottom
Costochondral grafts are used to replace the mandibular condyle in cases of TMJ ankylosis, and are generally viewed as a gold standard for autogenous reconstruction of the mandibular condyle (Güven, 2000; Posnick and Goldstein, 1993 [1,2]). We report a case where overgrowth of costochondral grafts is seen, resulting in asymmetric mandibular growth and dentofacial asymmetry (Posnick and Goldstein, 1993 [2]). A 17 year old male patient presented with an existing costochondral graft performed due to TMJ ankylosis during childhood...
2016: International Journal of Surgery Case Reports
Kelly R Might, Steven A Martinez, Norman Karin, Genyao Lin, Barbara Tarasevich, Roy R Pool
OBJECTIVES: The purposes of this study were to determine: 1) the efficacy of polycaprolactone-g-polyethylene glycol (PCL-g-PEG) and polylactic-co-glycolic acid (PLGA-g-PEG) hydrogels and an absorbable collagen sponge (ACS) as carriers for lysophosphatidic acid (LPA), 2) the effect of LPA on bone healing in dogs, and 3) the ideal dose of LPA to maximally stimulate bone healing. METHODS: Bilateral ulnar ostectomies were performed on purpose bred dogs. Control defects were filled with a PCL-g-PEG or PLGA-g-PEG hydrogel, or a saline soaked ACS...
July 19, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
Neil J Burton, Kevin J Parsons, Mark Cunliffe, Chris M R Warren-Smith, Malcolm G Ness, Gary Fenton
OBJECTIVE: To verify the ability of a novel Canine Elbow Realignment Osteotomy (CERO) system for acute axial radial or ulnar lengthening to restore normal elbow congruency in a shortened radius cadaver model using assessment by computed tomography (CT). STUDY DESIGN: In vitro cadaver study. ANIMALS: Five pairs of greyhound forelimbs from animals euthanatized for reasons unrelated to the study. METHODS: CT of each elbow was performed (1) pre-operatively (pre-op), (2) after placement of a linear motor IMEX™ external skeletal fixator (ESF) on the radius with diaphyseal ostectomy and radial shorting of 1-5 mm (post-ESF), and (3) after CERO surgery to lengthen the radius proximal to the ostectomy site by an amount equal to the degree of radial shortening (post-CERO)...
July 2016: Veterinary Surgery: VS
Paul Covello, Daniel Buchbinder
PURPOSE OF REVIEW: The management of benign, locally aggressive odontogenic tumors, namely, keratocystic odontogenic tumors (KOTs) and ameloblastomas, can be challenging. The purpose of this article is to briefly summarize important features of these lesions and review recent trends in the literature regarding their treatment. RECENT FINDINGS: Currently, KOTs are frequently treated with a conservative approach consisting of enucleation and adjuvant decompression or local microablation with peripheral ostectomies, Carnoy's solution, or cryotherapy...
August 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
Johann Burgstaller, Johann Kofler
A five month old Brown Swiss heifer calf (212 kg body mass) with severe left hind limb lameness, caused by a wound of the lateral digit was referred to the veterinary teaching hospital. The calf showed a score 4 of 5 lameness on the left hind limb. A scarified skin lesion with a fistula formation and purulent exudate was observed at the level of the proximal interphalangeal joint (PIJ) of the lateral digit of the left hind. The PIJ region and the lateral digit were severely swollen and painful. Ultrasonography showed a moderate anechoic effusion of the lateral digital flexor tendon sheet (DFTS) and a severe heterogeneous hypoechoic effusion with some small hyperechoic areas of the plantar and dorsal pouch of the PIJ...
March 2016: Berliner und Münchener Tierärztliche Wochenschrift
Jean-Baptiste Deffontaines, Bertrand Lussier, Christian Bolliger, Agathe Bédard, Monique Doré, William E Blevins
A 10-year-old golden retriever dog was presented for chronic right forelimb lameness associated with a painful swelling at the lateral aspect of the proximal ulna. Proximal ulnar ostectomy and stabilization resulted in a good clinical outcome. The proposed diagnosis is chronic desmitis and enthesiophytosis of the radio-ulnar interosseous ligament.
May 2016: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
Arthur de Góes Ribeiro, Daniel Hidalgo Gonçalez, João Manoel Fonseca Filho, Guilherme Marques da Fonseca, Antonio Carlos Costa, Ivan Chakkour
OBJECTIVE: The aim of this study was to establish an indirect, easy-to-use, predictable and safe means of obtaining the true degree of displacement of fractures of the neck of the fifth metacarpal bone, through oblique radiographic views. METHODS: An anatomical specimen from the fifth human metacarpal was dissected and subjected to ostectomy in the neck region. A 1-mm Kirschner wire was fixed to the base of the fifth metacarpal bone, perpendicular to the longitudinal axis of the bone and parallel to the ground...
March 2016: Revista Brasileira de Ortopedia
K U Omeje, I O Amole, O D Osunde, A A Efunkoya
Odontogenic fibromyxoma (OFM) is a benign, locally invasive and aggressive nonmetastasizing neoplasm of jaw bones. They are considered relatively rare and known to be derived from embryonic mesenchymal elements of dental origin. Treatment of OFM depends on the size of the lesion and on its nature and behavior. Varying treatment modalities ranging from curettage to radical excision have been documented. Aim; This paper is a review of management of 8 pediatric patients with histologically diagnosed OFM at a Nigerian tertiary health care facility...
November 2015: Annals of Medical and Health Sciences Research
Joanna Farias Cunha, Carolina Cavalieri Gomes, Ricardo Alves de Mesquita, Eugênio Marcos Andrade Goulart, Wagner Henriques de Castro, Ricardo Santiago Gomez
OBJECTIVE: The aim of this study was to evaluate the influence of clinical, radiographic, surgical and histopathologic parameters in the recurrence of disease in a series of odontogenic keratocysts (OKCs). STUDY DESIGN: The sample comprised 24 sporadic OKC lesions from 24 patients. All patients had no previous treatment history and were treated by the same surgeon using a uniform treatment protocol (enucleation with peripheral ostectomy preceded or not preceded by decompression)...
June 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Matheus Bortoluzzi Mantovani, Eduardo Clemente Souza, Fabiano Carlos Marson, Giovani Oliveira Corrêa, Patrícia Saram Progiante, Cléverson Oliveira Silva
Excessive gingival display during smile can result in compromised esthetics. This study aims to report a case of excessive gingival display with multiple etiologies treated by means of modified lip repositioning technique associated with esthetic crown lengthening. A 23-year-old female patient, with 5-mm gingival display during smile caused by altered passive eruption and hypermobility of the upper lip, underwent the modified lip repositioning technique associated with gingivectomy followed by flap elevation and ostectomy/osteoplasty...
January 2016: Journal of Indian Society of Periodontology
Timothy J Preston, Mark Glyde, Giselle Hosgood, Robert E Day
OBJECTIVE: To compare the biomechanical properties of dual bone fixation (DBF) constructs to radial locking compression plating (LCP) in an ex vivo feline antebrachial fracture gap model. STUDY DESIGN: Ex vivo study. SAMPLE POPULATION: Cadaveric feline antebrachii (n=12 pairs). METHODS: Antebrachii were radiographed to confirm normal skeletal appearance and maturity. After creation of a 5 mm radial and ulnar ostectomy, each antebrachium received 1 of 3 constructs using an incomplete randomized block design (n=8 per group)...
April 2016: Veterinary Surgery: VS
Noel Fitzpatrick, Tanya C Garcia, Anjolie Daryani, Judith Bertran, Shinya Watari, Kei Hayashi
OBJECTIVE: To use micro-computed tomography (CT) to evaluate the fissure-fracture pattern in dogs affected by medial coronoid disease (MCD). STUDY DESIGN: Prospective case-controlled study. SAMPLE POPULATION: Client owned (n = 21) and cadaver dogs (n = 5). METHODS: Segments were excised by subtotal coronoid ostectomy from dogs with MCD. Two categories were identified: fissured (Fi) or fractured (F). Three subcategories were contingent on fissure-fracture orientation: tip (T), radial incisure (RI), and radial incisure encroaching tip (RIT)...
April 2016: Veterinary Surgery: VS
Xi Fu, Lu Rui, Feng Niu, Ying Chen, Meng Wang, Jia Qiao, Jing Chen, Lai Gui
BACKGROUND: Reduction gonioplasty is frequently used to achieve an oval-shaped face in Asia. However, the soft tissue response and bone regeneration of reduction gonioplasty which are keys to the outcome are still unclear. The aim of this study is to evaluate the effects of bone regeneration on facial width and the soft tissue response of reduction gonioplasty. METHODS: We retrospectively reviewed patients who underwent reduction gonioplasty from 2009 to 2013. A high-speed rotary cutting bur without a water coolant was routinely used from the new gonial point to the inferior mandibular rim under the second premolar, whereas the elongated osteotomy line (mandibular-chin body osteotomy) was performed with a reciprocating saw...
January 30, 2016: Annals of Plastic Surgery
Kaleigh M Peters, Erin Hutter, Robert A Siston, Judith Bertran, Matthew J Allen
OBJECTIVE: The goal of this study was to determine whether computer-assisted surgical navigation improves the accuracy of tibial component alignment in canine total knee replacement (TKR). STUDY DESIGN: Retrospective radiographic review and prospective ex vivo study. SAMPLE POPULATION: Canine TKR radiographs (n = 17 sets) and canine cadaveric stifles (n = 12). METHODS: Radiographs from TKR surgical workshops were reviewed to determine the incidence and magnitude of tibial component malalignment...
January 2016: Veterinary Surgery: VS
Zainab Chaudhary, Pankaj Sharma, Shalini Gupta, Sujata Mohanty, Manish Naithani, Anshul Jain
PURPOSE: To review the clinical pattern and treatment modalities meted out to patients of odontogenic myxoma (OM) in Indian population in last 30 years and also to report 3 cases of OM. METHOD: A retrospective review of radiograph and histopathology of three cases of odontogenic myxoma treated between 2005 and 2011 was done. Immunohistochemical analysis was performed to examine the pattern of vimentin and NSE. Also a computerized literature search using Medline and Google scholar was conducted for published articles on OM in Indian population in last 30 years...
October 2015: Contemporary Clinical Dentistry
Sae Bin Lee, Hyun Jin Min, Dong Kyun Rah, Won Jai Lee, Dae Hyun Lew, Seung Yong Song
BACKGROUND: Although various techniques of mandibular angle ostectomy have been devised to correct overly prominent bony contours, none have incorporated methods to delineate the surgical line with precision. Herein, the authors describe one means of marking an ostectomy line more easily, using a specially designed oscillating-blade saw. METHODS: Between July 2013 and June 2014, a total of 75 patients underwent quantitative mandibular angle ostectomy using a custom oscillating-blade saw equipped with a scalable guide...
January 2016: Journal of Craniofacial Surgery
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