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Oral and Maxillofacial Surgery

Dimosthenis Igoumenakis
No abstract text is available yet for this article.
October 19, 2016: Oral and Maxillofacial Surgery
Lucas Borin Moura, Marisa Aparecida Cabrini Gabrielli, Mario Francisco Real Gabrielli, Valfrido Antonio Pereira Filho
PURPOSE: The goal of orbital reconstruction is to restore anatomy, volume, and function. In extensive orbital floor defects, the visualization of the posterior area is limited through inferior eyelid incisions. The use of endoscope may improve the treatment; however, it is a high-sensitivity technique. The aim of this case series is to describe the combination of inferior eyelid incision with transantral endoscopy for treatment of extensive orbital floor defects. METHODS: Three patients were submitted to orbital reconstruction, and the postoperative CT scans were evaluated to analyze the orbital volume and anteroposterior globe position...
October 14, 2016: Oral and Maxillofacial Surgery
Eyituoyo Okoturo
INTRODUCTION: Mandibular defect reconstruction is extremely important to achieving an improved quality of life of patients as this bony defect influences facial harmony and aesthetics. Reconstruction of mandibular defects at our centre comprises use of reconstruction plate, non-vascularised anterior iliac crest graft and vascularised fibula flap. Despite the large mandibular defect recorded in our developing environment, non-vascularised iliac crest graft continues to play a role in its exclusive use for lateral mandibular defects...
October 10, 2016: Oral and Maxillofacial Surgery
Poornima Patel, Faisal Idrees, Vilas Newaskar, Deepak Agrawal
BACKGROUND: Internal derangement of the temporomandibular joint (TMJ) is one of the most common forms of temporomandibular disorders. The minimally invasive treatments such as arthrocentesis as well as arthroscopic lysis and lavage are often used as a first-line surgical treatment or in conjunction with nonsurgical modalities with low morbidity and high efficacy. Sodium hyaluronate (SH) has been proposed as an alternative therapeutic agent with similar therapeutic effects. OBJECTIVE: A prospective study was carried out for evaluation of efficacy of TMJ arthrocentesis with and without injection of SH in management of internal derangements...
October 6, 2016: Oral and Maxillofacial Surgery
Júlio Cezar M A Mancini, Márcio Ricardo Taveira Garcia, Ilka Regina Souza de Oliveira, Ronaldo Rodrigues de Freitas, João Gualberto C Luz
PURPOSE: This study assessed the arterial blood supply to the mandible of edentulous patients treated for mandibular fractures using colour Doppler ultrasound. METHODS: The blood supply of edentulous patients surgically treated for mandibular fractures (group A) and edentulous fracture-free individuals (group B) was assessed. Only the fractured sides were evaluated in the first group (N = 17), whereas each side was evaluated in the second group (N = 20)...
October 1, 2016: Oral and Maxillofacial Surgery
Sameep Kadakia, David Chan, Yadranko Ducic, Ricardo Cristobal, Moustafa Mourad
OBJECTIVE: We analyzed patients with advanced parotid malignancy requiring proximal facial nerve exposure undergoing mastoidectomy versus lateral temporal bone resection to determine differences in local and distant recurrence. STUDY DESIGN: The study design is a case series with chart review. SETTING: The setting is in Tertiary care practice in Fort Worth, Texas from January1998 to January 2014. SUBJECTS AND METHODS: The study included 120 patients with advanced parotid malignancy, 82 males between 19 and 87 years, and 38 females between 26 and 83 years...
September 30, 2016: Oral and Maxillofacial Surgery
Chandrashekhar Bande, Pawan Dawane, M K Gupta, Mayur Gawande, Vijay Rode
PURPOSE: Oral submucous fibrosis is a disease of an Indian subcontinent with obscure aetiology and poorly treated with varying signs and symptoms. OSMF occurs at any age but is most commonly seen in teenagers and adults in the age ranging between 16 and 35 years. A number of surgical treatments have been used for the treatment of oral submucous fibrosis with unpredictable results. PATIENTS AND METHOD: In this study, 220 patients were randomly divided into two groups with mouth opening less than 16 mm and evaluated with immediate and delayed aggressive physiotherapy with buccal fat pad interposition after fibrotomy...
September 28, 2016: Oral and Maxillofacial Surgery
Faisal Idrees, Poornima Patel, Vilas Newaskar, Deepak Agrawal
PURPOSE: Long standing oral submucous fibrosis (OSMF) is associated with involvement of the oral submucosa and the muscles of mastication leading to difficulty in mouth opening. Various surgical modalities are mentioned for release but each has its own limitations. The aim of the study was to evaluate the postoperative mouth opening in patients of OSMF after excision of fibrous bands followed by coronoidotomy and surgical defect coverage by extended nasolabial flap. METHODS: We evaluated the use of extended nasolabial flaps and coronoidectomy in the management of 11 randomly selected patients with histologically confirmed oral submucous fibrosis...
September 24, 2016: Oral and Maxillofacial Surgery
Loai Hijazi, Wael Hejazi, Mhd Ayham Darwich, Khaldoun Darwich
PURPOSE: The purpose of the study was to evaluate the effect of clenching tasks on the stress and strain of condylar osteosynthesis screws and plates, as well as on the stress, strain distribution and displacement on the whole mandible and bone surrounding screws. METHODS: Three-dimensional finite element models of the mandible, two straight four-hole plates and eight screws were established. Six static clenching tasks were simulated in this study: incisal clench (INC), intercuspal position (ICP), right unilateral molar clench (RMOL), left unilateral molar clench (LMOL), right group function (RGF) and left group function (LGF)...
September 23, 2016: Oral and Maxillofacial Surgery
P Manodh, D Prabhu Shankar, Devadoss Pradeep, Rajan Santhosh, Aparna Murugan
BACKGROUND: Maxillofacial fractures occur in a significant proportion worldwide and can occur as an isolated injury or in combination with other severe injuries including cranial, spinal, and upper and lower body injuries requiring prompt diagnosis with possible emergency interventions. The epidemiology of facial fractures varies with regard to injury type, severity, and cause and depends on the population studied. Hence, understanding of these factors can aid in establishing clinical and research priorities for effective treatment and prevention of these injuries...
September 23, 2016: Oral and Maxillofacial Surgery
Ajit Joshi, Manu Goel, Ashutosh Thorat
PURPOSE: Iatrogenic fracture of mandible (IFM) associated with exodontia though rare, they do occur with an incidence ranging from 0.0034 to 0.0075 %. Most of the data is in the form of case reports or a small case series. This is an attempt to amass the data available in literature since the last 62 years. The purpose of this meta-analysis is to identify the etiologies and risk factors leading to IFM associated with exodontia and also the measures to minimize the complication. METHODS: Articles published between 1953 and 2015 were searched in Medline database...
September 23, 2016: Oral and Maxillofacial Surgery
Isaac Vieira Queiroz, Samara Pereira Queiroz, Rui Medeiros, Rodolfo Bonfim Ribeiro, Iêda Margarida Crusoé-Rebello, Jair Carneiro Leão
BACKGROUND: Secondary hyperparathyroidism is a frequent complication of chronic renal failure. The brown tumor is an unusual presentation of fibrous osteitis that represents a serious complication of renal osteodystrophy, affecting predominantly the hands, feet, skull, and facial bones. CASE REPORT: The aim of this paper is to describe the case of a 53-year-old female patient, with renal failure who has been on dialysis for 6 years and developed severe secondary hyperparathyroidism and brown tumor of the maxilla and mandible, confirmed by incisional biopsy...
September 17, 2016: Oral and Maxillofacial Surgery
Sunil Dixit Khandavilli, Neeraj Pattni, Pradyumna Reddy Naredla, Rhodri Williams
BACKGROUND: Mandibular coronoid hyperplasia is a rare condition associated with gradual reduction in mouth opening. Its aetiology is unknown but increased temporalis activity, endocrine stimulus, trauma and familial causes have been proposed. CASE REPORT: In this article, we present a case of bilateral coronoid hyperplasia presenting with limited mouth opening in 16-year-old Caucasian twin sisters. DISCUSSION: This report gives a new perspective to the aetiology of coronoid hyperplasia since it describes its occurrence in monozygotic twins and hence provides a strong argument in support of a genetic aetiology...
September 16, 2016: Oral and Maxillofacial Surgery
Paulo Esteves Pinto Faria, Bárbara Masalskas, Anders Heyden, Lars Rasmusson, Luiz Antonio Salata
PURPOSE: The aim of this prospective study was to investigate the two-year outcomes following immediate loading of mono-cortically engaged implants. MATERIALS AND METHODS: Thirty healthy mandible edentulous patients with an average age of 67.3 years and presenting with sufficient bony ridge at the mandible symphysis were included in the study. Four Astra Tech, Ti-Oblast(®) implants were installed between the mental foramina using the mono-cortical anchorage technique...
September 16, 2016: Oral and Maxillofacial Surgery
Takumi Hasegawa, Akira Tachibana, Daisuke Takeda, Eiji Iwata, Satomi Arimoto, Akiko Sakakibara, Masaya Akashi, Takahide Komori
PURPOSE: The relationship between radiographic findings and the occurrence of oroantral perforation is controversial. Few studies have quantitatively analyzed the risk factors contributing to oroantral perforation, and no study has reported multivariate analysis of the relationship(s) between these various factors. This retrospective study aims to fill this void. METHODS: Various risk factors for oroantral perforation during maxillary third molar extraction were investigated by univariate and multivariate analysis...
September 13, 2016: Oral and Maxillofacial Surgery
Mojgan Alaeddini, Shahroo Etemad-Moghadam
PURPOSE: The histologic risk assessment (HRA) model was proposed to assess clinical outcome of oral squamous cell carcinomas (SCCs), and its prognostic value has been confirmed in several studies, but its underlying molecular mechanisms has not been fully investigated. The objective of this study was to evaluate the association between immunohistochemical invasion mode of head and neck SCC and the HRA grading system. METHODS: The HRA model consisting of risk scores (RSs), based on perineural invasion (PI), lymphocytic infiltration (LI), and worst pattern of invasion (WPOI), was used for grading 80 samples of head and neck SCC, followed by immunohistochemical staining with antibodies against E-cadherin, N-cadherin, and podoplanin...
August 9, 2016: Oral and Maxillofacial Surgery
Maria Fernanda Lima Villaça-Carvalho, Luiz Roberto Coutinho Manhães, Mari Eli Leonelli de Moraes, Sérgio Lúcio Pereira de Castro Lopes
PURPOSE: The aim of this study was to evaluate the prevalence of bifid mandibular canals (BMC) by cone beam computed tomography (CBCT). MATERIALS AND METHODS: We examined CT scans from 300 patients both male and female, aged 25 to 87 years. The subjects were divided into groups according to gender, male group (MG) and female group (FG) as well as subgroups according to the side, right (R) and left (L). Tomographic acquisitions were performed on the device I-Cat ® Classic...
September 2016: Oral and Maxillofacial Surgery
Lutfi Mohamed Mohamed Elhamruni, Hamdy Abdelmegeed Mohamed Marzook, Wael Mohamed Said Ahmed, Mohamed Abdul-Rahman
OBJECTIVE: The purpose of this study was to investigate the effect of the dental implant penetration into the maxillary sinus cavity in different depths on implant and sinus health in a dog model. MATERIALS AND METHODS: The study sample included eight titanium dental implant placed in four female dogs immediately after extraction of the first maxillary molar in the palatal socket and assigned into four groups according to the protruding of implant tips (control group A = 0 mm, and study groups B, C, and D with protrusion of 1, 2, and 3 mm, respectively)...
September 2016: Oral and Maxillofacial Surgery
Serhat Sezgin, Metin Sencimen, Aydin Gülses, Fevzi Erdemci, Mustafa Ayna, İsmail K Gider, Onder Ongoru, Tuncer Cayci
AIM: The aim of this study is to assess the effects of triester glycerol oxide (TGO) on cutaneous wound epithelization process. MATERIAL AND METHODS: Fifty-four male Wistar rats were divided into 2 groups of 27 rats each: control(C) and TGO (PX). The groups have been divided into three subgroups which included nine rats each regarding the wound excision on the 3rd, 7th, and 10th days, respectively. The specimens were evaluated according to histological properties and hydroxyproline levels...
September 2016: Oral and Maxillofacial Surgery
Takayuki Aoki, Yoshihide Ota, Yusuke Mori, Mitsunobu Otsuru, Mikio Ota, Akihiro Kaneko
PURPOSE: Cyclooxygenase-2 inhibitor celecoxib is also used in the dental field for analgesia. However, there are few reports on the time to onset and duration of analgesia. We investigated the analgesic effect of celecoxib after oral surgery. METHODS: A total of 138 patients undergoing unilateral mandibular third molar surgery under local anesthesia were enrolled. After surgery, the patients who felt pain and requested an analgesic were instructed to take celecoxib 400 mg and to record the time...
September 2016: Oral and Maxillofacial Surgery
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