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Hyo Jin Jang, Myung Hee Kim
PURPOSE: The aim of this study was to evaluate the effects of active mandibular exercise (AME) in patients with limited mouth opening after maxillomandibular fixation (MMF) release. METHODS: The study used a quasi-experimental, nonequivalent control group and a pre test-post test design. Sixty-two patients with Maxillomandibular Fixation Release were assigned to the experimental (n=31) or control group (n=31). The AME was performed in the experimental group for 4 weeks...
February 2018: Journal of Korean Academy of Nursing
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
Michelle Kornbluth, Richard E Campbell, John Daskalogiannakis, Elizabeth J Ross, Patricia H Glick, Kathleen A Russell, Jean-Charles Doucet, Ronald R Hathaway, Ross E Long, Thomas J Sitzman
OBJECTIVE: To compare dental arch relationship, craniofacial form, and nasolabial aesthetic outcomes among cleft centers using distinct methods of presurgical infant orthopedics (PSIO). DESIGN: Retrospective cohort study. SETTING: Four cleft centers in North America. PATIENTS: One hundred ninety-one children with repaired complete unilateral cleft lip and palate (CUCLP). MAIN OUTCOME MEASURES: Dental arch relationship was assessed using the GOSLON Yardstick...
January 1, 2018: Cleft Palate-craniofacial Journal
Amit Mohan
Congenital maxillomandibular fusion is a rare disorder of the craniofacial region. Maintenance of the airway and difficulty in feeding are the main concerns for such patients. We performed a PubMed search to identify reported cases of syngnathia. With reference to the site of fusion and corresponding anomalies, the available studies were reviewed. The maxillomandibular fusion can be anterior fusion, unilateral or bilateral fusion, and complete fusion. The condition can be an isolated problem or associated with a syndrome...
February 2, 2018: Journal of Oral and Maxillofacial Surgery
José Thiers Carneiro Júnior, Paulo Hemerson de Moraes, Douglas Voss de Oliveira, Nayara Cristina Monteiro Carneiro
Patients with considerable maxillomandibular anteroposterior discrepancies and maxillary hypoplasia require corrective treatment through orthognathic surgery. However, in the treatment of severe maxillary retrognathism, it is necessary to reconstruct areas of bone deficiency through grafting techniques in addition to maxillary advancement using only the Le Fort I osteotomy. Treatment in these patients is more challenging and requires high surgical predictability. Alloplastic materials often have been used for the reconstruction of poor bone contours...
January 31, 2018: Journal of Oral and Maxillofacial Surgery
Sofie Wilkens Knappe, Liselotte Sonnesen
The purpose of this article is to review 1) mandibular advancement device (MAD) - indication, treatment success, and side effects; 2) maxillomandibular advancement (MMA) surgery of the jaws - indication, treatment success, and side effects; and 3) current perspectives. Both MAD and MMA are administered to increase the upper airway volume and reduce the collapsibility of the upper airway. MAD is noninvasive and is indicated as a first-stage treatment in adult patients with mild-to-moderate obstructive sleep apnea (OSA) and in patients with severe OSA unable to adhere to continuous positive airway pressure (CPAP)...
2018: Nature and Science of Sleep
Howard D Wang, Christopher Frost, Alessandro Cusano, Amir H Dorafshar
The surgical management of edentulous mandible fractures presents unique challenges secondary to poor bone stock and the absence of dentition to assist with fracture reduction. In complex injury patterns, such as bilateral edentulous mandible fractures, an external approach is often necessary to achieve adequate reduction and adaptation of a load-bearing reconstruction plate. We report a case in which computer-assisted design/computer-assisted manufacturing (CAD/CAM) was applied as an adjunct for the acute management of bilateral edentulous mandible fractures in a 58-year-old man...
January 31, 2018: Journal of Oral and Maxillofacial Surgery
Richard Ngo, Elaina Pullano, Zachary S Peacock, Edward T Lahey, Meredith August
PURPOSE: Obstructive sleep apnea (OSA) patients with retrognathia and measurable anatomic airway determinants may represent a subset of OSA patients and have distinct comorbidity profiles. Our aim was to compare the medical comorbidities of OSA patients managed surgically with maxillomandibular advancement with those of nonsurgical patients. PATIENTS AND METHODS: In this cross-sectional retrospective study, patients for both cohorts were identified through the Massachusetts General Hospital oral and maxillofacial surgery data registry and the Massachusetts General Hospital Research Patient Data Registry...
January 31, 2018: Journal of Oral and Maxillofacial Surgery
Christiane Cavalcante Feitoza, Matheus Corrêa da-Silva, Yasmim Lima Nascimento, Elaine Sobral Leite, Corintho Viana Pereira, Lucas Gomes Patrocínio
Obstructive Sleep Apnea Syndrome (OSA) is a multifactorial disease that highly alters a persons quality of life. It is characterized by the repeated interruption of breathing during sleep, due to an obstruction or the collapse of the upper airways. Since it is a multifactorial etiological disorder, it requires a thorough diagnosis and treatment with an interdisciplinary team, which comprises several professionals such as a surgical dentist, phonoaudiologist, otorhinolaryngologist, sleep doctor, neurologist and physiotherapist...
October 2017: Sleep Science
Karthik Shunmugavelu, Kumaravel Subramaniam
The main characteristic feature of the pediatric mandible is that of decreased dimension, which leads to compromises in the open reduction and internal fixation (ORIF). In the dental segment, the cervically bulbous short stature primary teeth might act an obstacle during the maxillomandibular fixation conventionally. An increased osteogenic potential of bones favors rapid consolidation and remodeling in the affected region. The mixed dentition of the ugly duckling stage adds more burden while stabilizing the fractured segments...
October 2017: International Journal of Clinical Pediatric Dentistry
Mohammad Nazir Khan, Muhammad Wasim Ibrahim, Kausar Khan Niazi
This case report presents two cases of rare congenital malformation, i.e syngnathia. First case is of 2-day infant with bilateral fusion of maxilla and mandible, leaving a small anterior portion. After consultation with other concerned specialties, early intervention was planned and fusion was released to facilitate feeding. The infant suffered from frequent respiratory tract infections and subsequently died at the age of ten months. The second case is of 8-month baby girl with unilateral congenital maxillomandibular bony fusion without any other anomaly...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Nicolas E Sierra, Paula Diaz-Gallardo, Jorge Knörr, Vasco Mascarenhas, Eloy García-Diez, Montserrat Munill-Ferrer, Maria S Bescós-Atín, Francisco Soldado
The free vascularized fibular graft is nowadays the preferred technique for pediatric mandibular reconstruction. Despite the versatility and proven efficacy for restoring the facial appearance and maxillomandibular function, those mandibular reconstructions with free vascularized fibula associate difficulties for a simultaneous restoration of the alveolar height and facial contour, which are derived from the height discrepancy between the fibula and the native mandible. In addition, the donor-site growth and morbidity are of special concern in the pediatric patient...
March 2018: Craniomaxillofacial Trauma & Reconstruction
Mathilde Sarlabous, David J Psutka
AIM: To describe the treatment of ameloblastoma involving the mandibular body and condyle in 3 patients. METHODS: This report describes 3 patients with large ameloblastomas (2 were second recurrences) treated by partial mandibular resection. Involvement of the mandibular condyle in these 3 patients made the reconstruction more challenging. Reconstruction included immediate temporomandibular joint replacement by a custom-made alloplastic total joint and mandibular body (Zimmer-Biomet, Jacksonville, FL)...
February 7, 2018: Journal of Craniofacial Surgery
Nataliya I Biskup, Brian S Pan, Haithem Elhadi-Babiker, Ronald R Hathaway, John van Aalst, Christopher B Gordon
BACKGROUND: Treacher Collins syndrome is a rare disorder (1/50,000 live births) with features that include hypoplastic orbitozygomatic complex with downward slanting eyes, and maxillary/mandibular retrusion. Obstructive sleep apnea and tracheostomy-dependence are common. This study presents the outcomes of skeletal distraction on avoidance of tracheostomy and decannulation in this patient population. METHODS: The authors reviewed charts of all patients with Treacher Collins syndrome who underwent craniofacial reconstruction from 2003 to 2016...
January 29, 2018: Journal of Craniofacial Surgery
Yifeng Han, Xindong Fan, Lixin Su, Zhenfeng Wang
Objective: Differentiating unicystic ameloblastomas from keratocystic odontogenic tumors (KCOT) is necessary for the planning of different treatment strategies; however, it is difficult based on conventional CT and MR sequences alone. The purpose of this study was to investigate the utility of diffusion-weighted imaging (DWI) and apparent diffusion coefficients (ADCs) in the differentiation of the two tumors. Materials and Methods: We prospectively studied 40 patients with odontogenic cysts and tumors of the maxillomandibular region using conventional MR imaging and DWI...
January 2018: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
Gholamreza Shirani, Mahnaz Arshad, Kamran Rasouli, Touraj Vaezi
Subcondylar fractures are common in the maxillofacial region following direct trauma to the mandibular ramus. The literature is replete with articles written on the treatment of subcondylar fractures, encompassing a plethora of various surgical approaches; however, the best treatment procedure has remained controversial. Such fractures are either treated by open reduction with internal fixation or closed reduction with maxillomandibular fixation. In this article, we describe a new surgical method for treatment of subcondylar fractures...
September 2017: Journal of Dentistry of Tehran University of Medical Sciences
Soonshin Hwang, Yoonjeong Noh, Yoon Jeong Choi, Chooryung Chung, Hye Sun Lee, Kyung-Ho Kim
Objective: The aim of this study was to establish the normative data of dentofacial transverse dimensions according to the skeletal maturation stage in Korean adolescents with good occlusion, assess gender differences and determine correlations between transverse variables. Methods: A total of 577 Korean subjects between ages 7 to 19 years and exhibiting skeletal Class I occlusion were categorized by skeletal maturation index (SMI) of Fishman using hand-wrist radiographs...
January 2018: Korean Journal of Orthodontics
Sophia Gottsauner-Wolf, Johannes Laimer, Emanuel Bruckmoser
PURPOSE: The purpose of this systematic review was to describe and compare the different approaches of radiologic posterior airway space (PAS) assessment in obstructive sleep apnea (OSA) and analyze the correlations of PAS changes with polysomnographically evaluated parameters after orthognathic surgery. MATERIALS AND METHODS: For this systematic review, a PubMed query was designed to search for original studies radiographically evaluating the PAS in patients before and after orthognathic surgery for treatment of their OSA...
December 6, 2017: Journal of Oral and Maxillofacial Surgery
Kemal Findikcioglu, Serhat Sibar, Ayse Gulsen
INTRODUCTION: As well as the chin is an important esthetic unit of the facial structure, it is also the region having a key role in the appearance of the face. Correction of cosmetic and functional deformities that may occur in this region because of serious hypoplasia (microgenia) is performed by chin augmentation. Chin augmentation is most frequently performed via implant or osseous genioplasty in the literature. Both 2 techniques have their own advantages and disadvantages. In the literature, various studies comparing these 2 techniques and their long-term results are present, but in some severe microgenia cases, these techniques can be insufficient only for augmentation...
December 19, 2017: Journal of Craniofacial Surgery
F S Salmen, T F M de Oliveira, M A C Gabrielli, V A Pereira Filho, M F Real Gabrielli
The aim of this study was to evaluate the precision of bimaxillary surgery performed to correct vertical maxillary excess, when the procedure is sequenced with mandibular surgery first or maxillary surgery first. Thirty-two patients, divided into two groups, were included in this retrospective study. Group 1 comprised patients who received bimaxillary surgery following the classical sequence with repositioning of the maxilla first. Patients in group 2 received bimaxillary surgery, but the mandible was operated on first...
December 12, 2017: International Journal of Oral and Maxillofacial Surgery
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