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Mandibular fracture

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https://www.readbyqxmd.com/read/29033269/outcomes-of-functional-treatment-versus-open-reduction-and-internal-fixation-of-condylar-mandibular-fracture-with-articular-impact-a-retrospective-study-of-83-adults
#1
Merlet Fanny-Laure, Grimaud Fanny, Pace Richard, Mercier Jacques-Marie, Paré Arnaud, Corre Pierre
No abstract text is available yet for this article.
October 12, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29023221/evaluation-of-the-effect-of-phototherapy-in-patients-with-mandibular-fracture-on-mandibular-dynamics-pain-edema-and-bite-force-a-pilot-study
#2
Leandro Lauriti, João Gualberto de Cerqueira Luz, Raquel Agnelli Mesquita-Ferrari, Kristianne Porta Santos Fernandes, Alessandro Melo Deana, Anna Carolina Ratto Tempestini Horliana, Larissa Costa-Santos, Aldo Brugnera Junior, Sandra Kalil Bussadori
OBJECTIVE: The aim of this study was to evaluate the effect of phototherapy on bite force, facial swelling, mandibular movements, and pain in patients having undergone surgical treatment for mandibular fractures. BACKGROUND: These are among the predominant types of facial fractures, and treatment involving surgical fixation with titanium plates is one of the most common procedures in oral-maxillofacial surgery. Phototherapy has been used to accelerate the muscle healing process and significantly improves muscle regeneration by inducing the formation of new muscle fibers...
October 12, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28992601/tooth-damage-in-captive-orcas-orcinus-orca
#3
John Jett, Ingrid N Visser, Jeffrey Ventre, Jordan Waltz, Carolina Loch
OBJECTIVES: Tooth damage as a result of oral stereotypies is evident in captive orca, yet little research on the topic exists. This study examines the associations between dental pathology, sex, facility, duration of captivity and other factors in captive orca. DESIGN: We evaluated mandibular and maxillary teeth from dental images of 29 captive orca owned by a US-based theme park. Each tooth was scored for coronal wear, wear at or below gum line and bore holes. Fractured and missing teeth were also noted...
September 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28991280/plasma-rico-en-plaquetas-y-su-efecto-en-la-regeneraci%C3%A3-n-%C3%A3-sea-en-fracturas-mandibulares-ensayo-cl%C3%A3-nico-controlado
#4
Guadalupe Castillo-Cardiel, Víctor Manuel Medina-Quintana, Mario Lomelí-Enríquez, Fabiola Medrano-Muñoz, Celia Guerrero-Velázquez, Carmen Karina Contreras-López, Clotilde Fuentes-Orozco, Leire Irusteta-Jiménez, Luis Rodrigo Michel-Espinoza, Alejandro González-Ojeda
Antecedentes: Actualmente existe interés en el desarrollo de aplicaciones clínicas del plasma rico en plaquetas (PRP) para mejorar la regeneración ósea (RO). Objetivo: Evaluar la RO en fracturas mandibulares con la aplicación de PRP. Métodos: Ensayo clínico controlado. Se incluyeron 20 pacientes con fractura de ángulo mandibular. El grupo de estudio (n = 10) se sometió a reducción de la fractura, fijación interna y aplicación de PRP, y el grupo control (n = 10) al mismo procedimiento sin administración de plasma...
2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28988806/3d-assessment-of-damaged-bicycle-helmets-and-corresponding-craniomaxillo-mandibular-skull-injuries-a-feasibility-study
#5
Gustaaf J C van Baar, Muhammad Ruslin, Maureen van Eijnatten, George K Sándor, Tymour Forouzanfar, Jan Wolff
OBJECTIVES: In the Netherlands, cyclists continue to outnumber other road users in injuries and deaths. The wearing of bicycle helmets is not mandatory in the Netherlands even though research has shown that wearing bicycle helmets can reduce head and brain injuries by up to 88%. Therefore, the aim of this study was to assess the feasibility of using 3D technology to evaluate bicycle-related head injuries and helmet protection. METHODS: Three patients who had been involved in a bicycle accident while wearing a helmet were subjected to multi-detector row computed tomography (MDCT) imaging after trauma...
September 29, 2017: Injury
https://www.readbyqxmd.com/read/28987223/controversies-in-maxillofacial-trauma
#6
REVIEW
Daniel J Meara, Lewis C Jones
Craniomaxillofacial trauma management has continued to improve and evolve as a result of advances in technology and scientific inquiry. Controversies exist where there is little evidence-based literature to guide treatment in frontal sinus management, rigid versus absorbable fixation, open versus closed treatment of mandibular condyle fractures, extraction of teeth in the line of fracture, optimal timing for repair of mandible fractures, antibiotic use for facial wounds and fractures, and reconstructive materials in orbital fracture reconstruction...
November 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/28985446/preparation-ferrule-design-effect-on-endocrown-failure-resistance
#7
Michael Einhorn, Nicholas DuVall, Michael Wajdowicz, John Brewster, Howard Roberts
PURPOSE: To evaluate the effect of preparation ferrule inclusion with fracture resistance of mandibular molar endocrowns. MATERIALS AND METHODS: Recently extracted mandibular third molars were randomly divided into 3 groups (n = 12) with the coronal tooth structure removed perpendicular to the root long axis approximately 2 mm above the cemento-enamel junction with a slow-speed diamond saw. The pulp chamber was exposed using a diamond bur in a high-speed handpiece with pulpal remnants removed and canals instrumented using endodontic hand instruments...
October 6, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28967398/prosthetic-management-of-an-existing-transmandibular-implant-a-clinical-report
#8
Ramtin Sadid-Zadeh, Antigoni Stylianou, Ruth Aponte Wesson
This report describes the prosthetic management of a fractured Dolder bar on a transmandibular implant system. The patient declined surgical removal of the implants. Therefore, to repair the superstructure, a cast Dolder bar was fabricated and luted onto the existing transmandibular implants. An implant-retained bar overdenture was then fabricated to rehabilitate the mandibular arch.
September 27, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965678/evaluation-of-fracture-resistance-of-inlay-retained-fixed-partial-dentures-fabricated-with-different-monolithic-zirconia-materials
#9
Hilal Siriner Gumus, Nilufer Tulin Polat, Guler Yildirim
STATEMENT OF PROBLEM: Data are lacking on the fracture resistance of monolithic zirconia inlay-retained fixed partial dentures as a conservative treatment for a single missing tooth. PURPOSE: The purpose of this in vitro study was to evaluate the fracture resistance of inlay-retained fixed partial dentures produced from 3 different monolithic zirconia materials and based on 2 preparation types and applications with and without thermocycling. MATERIAL AND METHODS: A model with missing right and left mandibular first molars was used for different cavity preparations...
September 29, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965674/stress-distribution-of-single-implant-retained-overdenture-reinforced-with-a-framework-a-finite-element-analysis-study
#10
Camilla F Amaral, Rafael S Gomes, Renata C M Rodrigues Garcia, Altair A Del Bel Cury
STATEMENT OF PROBLEM: Studies have demonstrated the effectiveness of a single-implant-retained mandibular overdenture for elderly patients with edentulism. However, due to the high concentration of stress around the housing portion of the single implant, this prosthesis tends to fracture at the anterior region more than the 2-implant-retained mandibular overdenture. PURPOSE: The purpose of this finite-element analysis study was to evaluate the stress distribution in a single-implant-retained mandibular overdenture reinforced with a cobalt-chromium framework, to minimize the incidence of denture base fracture...
September 28, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28953150/endoscopic-removal-of-displaced-sagittal-intracapsular-condylar-fracture
#11
Guilherme Dos Santos Trento, Luis Fernando de Oliveira Gorla, Marcos Marques Rodrigues, Valfrido Antônio Pereira-Filho
Fractures involving the mandibular condyle are among the most common fractures of facial bones and still generate great discussion concerning therapeutic issues. Several factors have influence on the decision of treatment management of these fractures. In some patients, even when there is displacement of fractured fragments, the choice for conservative treatment is made. However, the removal of the condyle fragment may be required. In the oral surgery scope, endoscopy is a procedure used in many areas, and can be helpful to improve the visualization of surgical sites with difficult access...
September 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28953139/rapid-prototyping-as-an-auxiliary-in-mandibular-reconstructions
#12
Pedro Henrique da Hora Sales, Edson Luiz Cetira Filho, Jair Queiroz de Oliveira Neto, Julianne Coelho da Silva, Andrea Silvia Walter de Aguiar, Manoel de Jesus Rodrigues Mello
The reconstruction of mandible is a challenge with regard to aesthetic and reconstructive demands. The etiology of mandibular fractures is variable, trauma, pathology, bone infections. There are many materials that provide an excellent form of rehabilitation for these defects, where the autogenous graft presents important characteristics that favor a greater success rate. Furthermore, the rapid prototyping method is quite interesting, because it brings a series of advantages to the surgeon, like reducing the operative time, among others...
September 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28944360/immediate-loading-of-fixed-prostheses-in-fully-edentulous-jaws-1-year-follow-up-from-a-single-cohort-retrospective-study
#13
Francesco Giordano, Marco Esposito
PURPOSE: To evaluate the clinical outcome of four to five implants immediately restored with metal-resin screw-retained cross-arch fixed prostheses in edentulous jaws 1 year after loading. MATERIALS AND METHODS: In total, 104 consecutive patients received four 11 × 4.5 mm implants with a torque superior to 35 Ncm. If one implant did not reach a torque superior to 35 Ncm a fifth implant was added. If two implants did not reach a torque superior to 35 Ncm, loading was postponed after 3 months...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28942310/dental-and-temporomandibular-joint-pathology-of-the-north-american-brown-bear-ursus-arctos-horribilis-ursus-arctos-middendorffi-and-ursus-arctos-sitkensis
#14
J N Winer, B Arzi, S Döring, P H Kass, F J M Verstraete
Museum specimens (maxillae and mandibles) from 393 North American brown bears (Ursus arctos) from Alaska were examined macroscopically according to predefined criteria and 204 specimens were included in this study. The specimens were acquired between 1905 and 2012. There were 99 specimens (48.5%) from male animals, 87 (42.7%) from female animals and 18 (8.8%) from animals of unknown sex. The ages of the animals ranged from neonate to adult, with 92 adults (45.1%) and 112 young adults (54.9%) included and neonates/juveniles excluded from the study...
August 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28941510/issues-in-pediatric-craniofacial-trauma
#15
REVIEW
Srinivasa R Chandra, Karen S Zemplenyi
Pediatric maxillofacial fractures are rare owing to anatomic differences between juvenile and adult skulls. Children's bone is less calcified, allowing for "greenstick fractures." The overall ratio of cranial to facial volume decreases with age. In children, tooth buds comprise the majority of mandibular volume. The most common pediatric craniomaxillofacial fractures for children ages 0 to 18 years old are mandible, nasal bone, and maxilla and zygoma. Growth potential must be considered when addressing pediatric trauma and often a less-is-more approach is best when considering open versus closed treatment...
November 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28941509/current-management-of-subcondylar-fractures-of-the-mandible-including-endoscopic-repair
#16
REVIEW
Alexis M Strohl, Robert M Kellman
Treatment of subcondylar fractures has been the subject of debate for many years. Options for treatment include physical therapy, elastic maxillomandibular fixation, and open repair. Proper imaging and clinical evaluation are imperative when deciding on the best management option. In the past, most subcondylar fractures were treated with a closed approach. Recent data support open repair, when feasible. Studies show increased interincisal opening, lateral excursion, and protrusion with less mandibular shortening, jaw deviation, and pain...
November 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28941376/is-the-three-dimensional-strut-plate-an-adequate-fixation-technique-for-mandibular-symphysis-fractures
#17
Andrew T Meram, Sergio Olate, Celso F Palmieri
PURPOSE: We present a series of cases of mandibular symphysis fractures treated at our institution with a 3-dimensional strut plate. The aim of the present study was to confirm the stability of this fixation technique and discuss its advantages, disadvantages, and potential complications. PATIENTS AND METHODS: We designed and implemented a retrospective cohort study of patients who underwent surgery by the same surgeon at our institution from July 2012 to April 2014 for a mandible fracture with a symphysis component...
September 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28941281/in-vitro-fracture-strength-and-patterns-in-root-filled-teeth-restored-with-different-base-materials
#18
Theo Chan, Selen Küçükkaya Eren, Rebecca Wong, Peter Parashos
BACKGROUND: There is little research on the effects of an intermediate base on the fracture strength of root filled teeth. This study compared the fracture strengths and patterns of root filled teeth restored with intermediate bases of GIC, ZPC, DCRC and Biodentine(®) under resin composite. METHODS: Standardised cavities were prepared in 100 extracted human maxillary and mandibular premolars, and root canal treatment was performed. The teeth were stratified and randomly allocated to five groups (n = 20): 1...
September 23, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28936037/comparison-of-resistance-to-fracture-between-three-types-of-permanent-restorations-subjected-to-shear-force-an-in-vitro-study
#19
Ramin Atash, Maiyas Arab, Hadrien Duterme, Sibel Cetik
INTRODUCTION: Our study's objective was to compare resistance to fracture between endocrown and conventional post and core restorations when subjected to shear force. MATERIALS AND METHODS: Thirty human mandibular premolars were extracted for orthodontic reasons, endodontically treated, and restored using three different methods: endocrown, glass fiber post and composite resin core, and metal post. All the crowns were made from IPS e.max ceramic. Shear forces were applied to these restorations using a test machine until breakage...
July 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28932703/imaging-in-traumatic-mandibular-fractures
#20
REVIEW
Adil Naeem, Hugo Gemal, Duncan Reed
A fracture of the mandible is a common trauma presentation amongst young males and represents one of the most frequently encountered fractured bones within the viscerocranium. Historically, assault was the dominant contributing factor but now due to the increased number of vehicles used per capita, motor vehicle accidents are the primary cause. Mandibular fractures can be classified anatomically, by dentition, by muscle group and by severity. The fracture may also be closed, open, comminuted, displaced or pathological...
August 2017: Quantitative Imaging in Medicine and Surgery
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