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Mandibular fractures

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https://www.readbyqxmd.com/read/28435378/differentiating-spontaneous-vertical-root-fracture-in-endodontically-treated-tooth
#1
Myung-Jin Lim, Jung-Ae Kim, Yoorina Choi, Chan-Ui Hong, Kyung-San Min
Although vertical root fracture (VRF) is mostly found in endodontically treated teeth, it also occurs spontaneously. If VRF is recognized after endodontic treatment, it is considered to be iatrogenic and can lead to legal trouble. However, legal problems can be averted if the dentist can prove that the VRF existed before endodontic treatment. This case report describes an unusual, spontaneous VRF in an endodontically treated tooth and presents a useful tip for determining whether a fracture is iatrogenic. We performed nonsurgical endodontic treatment on a mandibular first molar with irreversible pulpitis...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28433980/a-paediatric-case-of-bilateral-mandibular-condyle-fracture-presenting-with-bloody-otorrhoea-following-trauma
#2
Yat Chun Chan, Kwan Leong Au-Yeung
A 7-year-old boy presented to the emergency department with bilateral bloody otorrhoea after falling from his scooter. Skull base fracture was suspected. CT showed no evidence of skull base fracture but bilateral mandibular condyle and external acoustic canals fractures. We report this case to illustrate a rare possibility of bilateral external acoustic canal fracture associated with condylar fracture in trauma patients presented with bloody otorrhoea.
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28433599/coronectomy-and-dentigerous-cysts-a-review-of-68-patients
#3
REVIEW
Marianne Henien, Chris Sproat, Jerry Kwok, Kiran Beneng, Vinod Patel
OBJECTIVE: This large case series retrospectively reviewed the outcomes of coronectomy in conjunction with dentigerous cyst removal in 68 patients at the oral surgery department of Guy's Hospital. STUDY DESIGN: A retrospective review of 68 patients was undertaken in a single department where 73 teeth with associated dentigerous cysts were treated by coronectomy to reduce the risk of inferior alveolar nerve injury or mandibular fracture. RESULTS: One patient experienced permanent injury of the inferior alveolar nerve...
February 20, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28429855/coincidence-of-mandibular-fractures-with-isolated-posterior-maxillary-sinus-fractures
#4
Sebastian Blatt, Roman Rahimi-Nedjat, Keyvan Sagheb, Lisa Piechowiak, Christian Walter, Dan Brüllmann
BACKGROUND/AIM: There is no data available to show whether there is a relationship between mandibular fractures and isolated fractures of the posterior and/or latera wals of the maxillary sinus. The aim of this study was to determine whether there is a coincidence between these fracture patterns. METHODS: Four hundred large volume cone beam computed tomography scans (CBCT) of patients with a fracture of the mandible between 2008 and 2013 were analyzed retrospectively...
April 21, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28419843/a-review-of-in-office-dynamic-image-navigation-for-extraction-of-complex-mandibular-third-molars
#5
Robert W Emery, Oxana Korj, Ravi Agarwal
PURPOSE: We performed a retrospective review of in-office removal of complex mandibular third molars with a dynamic image navigation system (DINS). MATERIALS AND METHODS: A retrospective review was conducted of cases completed from 2010 to 2014 by a single oral and maxillofacial surgeon. The average age of the patients was 47 years (range, 27 to 72 years). Extraction complexity was classified with Juodzbalys and Daugela's classification system. The included study cases had complexity scores of 9 or greater...
March 25, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28416305/fracture-strength-of-endodontically-treated-teeth-with-different-access-cavity-designs
#6
Gianluca Plotino, Nicola Maria Grande, Almira Isufi, Pietro Ioppolo, Eugenio Pedullà, Rossella Bedini, Gianluca Gambarini, Luca Testarelli
INTRODUCTION: The purpose of this study was to compare in vitro the fracture strength of root-filled and restored teeth with traditional endodontic cavity (TEC), conservative endodontic cavity (CEC), or ultraconservative "ninja" endodontic cavity (NEC) access. METHODS: Extracted human intact maxillary and mandibular premolars and molars were selected and assigned to control (intact teeth), TEC, CEC, or NEC groups (n = 10/group/type). Teeth in the TEC group were prepared following the principles of traditional endodontic cavities...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28412268/how-is-third-molar-status-associated-with-the-occurrence-of-mandibular-angle-and-condyle-fractures
#7
Shuai Xu, Jun-Jie Huang, Yu Xiong, Ying-Hui Tan
PURPOSE: Third molars (M3s) have been hypothesized to be associated with the risk of mandibular angle fracture and mandibular condylar fracture. The authors systematically estimated the relative risk (RR) of M3 status for the development of mandibular angle fracture and mandibular condylar fracture through a meta-analysis of cohort studies. MATERIALS AND METHODS: In this systematic review, the PubMed, EMBASE, and Cochrane Library databases were searched from inception to October 2016...
March 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28403247/early-complications-of-immediate-loading-in-edentulous-full-arch-restorations-a-retrospective-analysis-of-88-cases
#8
Iñaki Cercadillo-Ibarguren, Alba Sánchez-Torres, Rui Figueiredo, Eduard Valmaseda-Castellón
PURPOSE: To describe the clinical outcomes and complications related to provisional prostheses after full-arch implant-supported rehabilitation by means of an immediate loading protocol. MATERIALS AND METHODS: This retrospective cohort study included patients who were consecutively treated with full-arch implant-supported restorations with a minimum of four implants (Replace Select Tapered TiUnite, Nobel Biocare AB) per arch and conical abutments (multi-unit, Nobel Biocare AB) by means of an immediate loading protocol...
April 12, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28396232/treatment-of-osteomyelitis-a-case-for-disruption-of-the-affected-adjacent-periosteum
#9
J W Hudson, Austin P Daly, Michael Foster
PURPOSE: To evaluate the response of mandibular osteomyelitis treated by surgical decortication with disruption of the affected adjacent periosteum in concert with long-term targeted antibiotic therapy. The hypothesis is that, by removing the buccal cortical plate and disrupting the hypertrophically inflamed adjacent periosteum, the medullary bone will be brought in contact with bleeding tissue and circulating immunologic factors and antibiotics, which will promote definitive resolution...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28386782/a-comparative-study-of-intermaxillary-fixation-screws-and-noncompression-miniplates-in-the-treatment-of-mandibular-fractures-a-prospective-clinical-study
#10
Osasuyi Anslem, Okoturo Eyituoyo, Ogunbanjo V Olabode, Olaitan A Ademola, Ayodele O Adesina
BACKGROUND: The main goal of treatment of mandibular fractures is to restore normal dental occlusion and promote appropriate bone healing and a normal mouth opening. Recently, there has been a resurgent interest in the use of screws for intermaxillary fixation of mandibular fractures. This study was therefore designed to determine how the clinical outcomes of the use of screws for intermaxillary fixation compare with the use of miniplates in the treatment of mandibular fractures in Nigeria...
April 6, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28384464/biomechanical-evaluation-of-different-plating-methods-used-in-mandibular-angle-fractures-with-3-dimensional-finite-element-analysis-favorable-fractures
#11
Aysa Ayali, Erkan Erkmen
PURPOSE: The aim of the present study was to evaluate the performances of 5 different plating techniques for fixation of favorable mandibular angle fractures using the 3-dimensional finite element analysis (FEA) method. MATERIALS AND METHODS: Five different miniplate placement configurations were considered for the fixation of favorable mandibular angle fractures. The following models were created: a double parallel miniplate (M1) placed at the halfway point of the mandibular angle height; a one-third superior-positioned miniplate (M2); a single miniplate (M3) placed at the halfway point of the mandibular angle height (one-half middle-positioned); a one-third inferior-positioned miniplate (M4); and an X-shape miniplate (M5)...
March 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28361032/radiographic-and-computed-tomography-monitoring-of-a-fractured-needle-fragment-in-the-mandibular-branch
#12
Maria Isabel de Oliveira E Britto Villalobos, Thaisa Cristina Gomes Ferreira Leite, Samila Gonçalves Barra, Daniela Teresa Pinto da Cunha Werneche, Flavio Ricardo Manzi, Claudia Assunção E Alves Cardoso
Some complications can arise with the usage of local anesthesia for dental procedures, including the fracture of needles in the patient. This is a rare incident, usually caused by the patient's sudden movements during anesthetic block. Its complications are not common, but can include pain, trismus, inflammation in the region, difficulty in swallowing, and migration of the object, which is the least common but has the ability to cause more serious damage to the patient. This report describes a case in which, after the fracture of the anesthetic needle used during alveolar nerve block for exodontia of the left mandibular third molar, the fragment moved significantly in the first 2 months, before stabilizing after the third month of radiographic monitoring...
March 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28359937/pilot-study-on-laser-propagation-in-maxillary-and-mandibular-bone-grey-level-image-analysis-for-optical-measurements
#13
Monalisa Jacob Guiselini, Alessandro Melo Deana, Daniela de Fátima Teixeira da Silva, Nelson Hideyoshi Koshoji, Raquel Agnelli Mesquita-Ferrari, Katia Llanos do Vale, Marcelo Betti Mascaro, Simone Aleksandra de Moraes, Sandra Kalil Bussadori, Kristianne Porta Santos Fernandes
BACKGROUND: Bone tissue anatomy, density and porosity vary among subjects in different phases of life and even within areas of a single specimen. The optical characteristics of changes in bone tissue are analyzed based on these properties. Photobiomodulation has been used to improve bone healing after surgery or fractures. Thus, knowledge on light propagation is of considerable importance to the obtainment of successful clinical outcomes. OBJECTIVE: This study determines light penetration and distribution in human maxillary and mandibular bones in three different regions (anterior, middle, and posterior)...
March 27, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28356695/sialocele-a-rare-sequlae-of-transparotid-approach-in-subcondylar-fracture-management
#14
R Rajeev, S Sajesh, Mathew Jose, N Dhineksh Kumar
Iatrogenic injury and/or damage to the parotid salivary gland during transparotid approach for open reduction and internal fixation of mandibular condyle fracture is a rare event. Accumulation of saliva in the gland leads to formation of a sialocele. Huge sialocele often seeks drain through the most dependent area through an extraoral wound, whereas in the absence of extraoral fistula, saliva can be redirected intraorally using a stent. A case of mangement of sialocele caused by damage to glandular elements during a transparotid approach for a subcondylar fracture reduction is reported...
July 2016: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28356693/the-use-of-mini-plates-for-intermaxillary-fixation-in-a-severely-comminuted-mandibular-fracture-with-bilateral-condylar-fractures
#15
James William Clohessy, Frank Chang, Shiva S Subramaniam
Intermaxillary fixation (IMF) is an integral technique utilized by maxillofacial surgeons to appropriately reduce and relate maxillary and mandibular fractures to both one another and the facial skeleton. This case report reviews the management of a comminuted mandibular fracture including inoperable bilateral condylar fractures that precluded the use of convention IMF techniques necessitating an alternative technique. This was achieved in the form of modified bony plates extending intraorally. Postoperative review showed favorable results with occlusion and range of motion comparable to the premorbid function and no unforeseen complications...
July 2016: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28355944/commissurorraphy-in-the-dog
#16
Corinne Durand
Commissurorraphy is a surgical procedure designed to move the lip commissure rostrally. This procedure may be helpful as a unilateral procedure in cases of unilateral mandibulectomy to support tongue function and improve esthetics. Bilateral commissurorraphy is utilized in cases of radical bilateral mandibulectomy and as a salvage procedure for support of bilateral mandibular fractures in cases where rigid surgical fixation is not feasible. Dehiscence is the most likely complication of commissurorraphy. Tension can be reduced at the rostral extent of the incision by utilizing mattress sutures, intravenous fluid tubing, and/or buttons to prevent tearing through sutures...
January 1, 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28344028/fracture-patterns-after-bilateral-sagittal-split-osteotomy-of-the-mandibular-ramus-according-to-the-obwegeser-dal-pont-and-hunsuck-epker-modifications
#17
Stephan Christian Möhlhenrich, Kristian Kniha, Florian Peters, Nassim Ayoub, Evgeny Goloborodko, Frank Hölzle, Ulrike Fritz, Ali Modabber
The aim of this study was to compare the fracture patterns after sagittal split osteotomy according to Obwegeser/Dal Pont (ODP) and Hunsuck/Epker (HE), as well as to investigate the relationship between lateral bone cut ending or angle and the incidence of unfavorable/bad splits. Postoperative cone-beam computed tomograms of 124 splits according to ODP and 60 according to HE were analyzed. ODP led to 75.8% and HE led to 60% lingual fractures with mandibular foramen contact. Horizontal fractures were found in 9...
February 20, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28343932/fracture-incidence-of-waveone-and-reciproc-files-during-root-canal-preparation-of-up-to-3-posterior-teeth-a-prospective-clinical-study
#18
Clóvis Stephano Pereira Bueno, Daniel Pinto de Oliveira, Rina Andrea Pelegrine, Carlos Eduardo Fontana, Daniel Guimarães Pedro Rocha, Carlos Eduardo da Silveira Bueno
INTRODUCTION: Reciprocating instruments were developed to improve and simplify the preparation of the root canal system by allowing greater centralization of the canal and requiring a shorter learning curve. Despite the risk of instrument separation, using a reciprocating instrument in more than 1 case is a relatively common clinical practice. The aim of this study was to evaluate the fracture resistance of Reciproc (R25; VDW, Munich, Germany) and WaveOne (Primary; Dentsply Maillefer, Ballaigues, Switzerland) instruments according to the number of uses during the preparation of root canals in up to 3 posterior teeth...
March 23, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28330802/orofacial-trauma-in-rural-india-a-clinical-study
#19
Sunita Malik, Gurdarshan Singh, Gagandeep Kaur, Sunil Yadav, Hitesh C Mittal
PURPOSE: Orofacial trauma is becoming a leading medical problem worldwide. Most of the studies pertaining to orofacial trauma have been done in urban areas but very little scientific literature is available for rural areas. METHODS: A prospective medical institute-based study of orofacial injury patients was carried out from May 2013 to April 2016 (36 Months). Data regarding incidence, age and sex distribution, causes, types and site of injury, treatment modalities and trauma associated complications were collected and analysed...
February 24, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28328598/simple-percutaneous-transbuccal-approach-for-management-of-mandibular-angular-fracture
#20
Mohammad Waheed El-Anwar, Ahmed Hassan Sweed
OBJECTIVE: To describe a relatively simple, easy, and safe technique for open reduction and internal fixation of the mandibular angle fracture using the combined modified percutaneous and oral approach with no special instrumentation. PATIENTS AND METHODS: This study was carried out on 10 patients who had traumatic mandibular angle fractures. All patients were managed by open reduction and internal fixation. Intraoral exposure and reduction of the fracture was performed through the gingivolabial incision...
March 21, 2017: Journal of Craniofacial Surgery
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