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Mandibular fracture

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https://www.readbyqxmd.com/read/28808472/successful-ultra-conservative-management-of-a-mandibular-premolar-with-dens-invaginatus
#1
Ramin Abazarpour, Masoud Parirokh, Aida Farhadi, Zahra Jalali, Nasir Kheirabadi
Dens invaginatus is one of the most common anomalies of tooth structure. It is caused by the invagination of the crown surface during odontogenesis that enters the pulp chamber of the affected tooth. Depending on the complexity of invagination, the tooth might present with pulp necrosis, open apex and a complicated root canal system. This case report presents an Oehlers' type 2 dens-invaginatus in a mandibular premolar with chronic apical abscess. In most cases, dens invaginatus is removed during treatment...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808464/success-rate-and-time-for-bypassing-the-fractured-segments-of-four-niti-rotary-instruments
#2
Alireza Adl, Arash Shahravan, Melika Farshad, Shahab Honar
INTRODUCTION: The aim of this in vitro study was to compare the success rate and time required for bypassing the fractured segments of four different nickel-titanium (NiTi) rotary systems. METHODS AND MATERIALS: This study was conducted on the mesiobuccal canals of 60 mandibular molars with fully-formed apices. Fifteen Flex Master, K3, RaCe and Hero Shaper instruments with 0.04 taper and tip size of #30 and 25 mm in length, were obtained. These instruments were notched at a point 3 mm from the tip of the instrument and were driven into the canals using a handpiece until the instruments fractured and became lodged therein...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28803664/should-patients-take-vitamin-d-before-mandibular-operations
#3
N Syed, G A Chiu, P Korczak
Vitamin D deficiency is endemic in the United Kingdom (UK), particularly in high-risk groups. We report the outcomes of patients with low concentrations of the vitamin who had complications after reduction of mandibular fractures or osteotomy, and those who were screened preoperatively. A deficiency can be diagnosed with a simple and inexpensive blood test, and in the UK the cost of a vitamin D tablet is about £0.04/tablet/day. Patients at risk of a deficiency should be screened before mandibular operations, and those listed for orthognathic surgery or replacement of the temporomandibular joint should be asked to take a supplement before operation...
August 10, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28796346/fracture-of-nickel-titanium-rotary-instrument-during-root-canal-treatment-and-re-treatment-a-5-year-retrospective-study
#4
K Alfouzan, A Jamleh
AIM: To evaluate retrospectively the incidence of K3 nickel titanium rotary instrument fracture in referred cases during root canal treatment and re-treatment. METHODOLOGY: Clinical and radiographic reports of 12867 endodontic cases treated at the King Abdulaziz medical city between January 2010 and November 2015 were reviewed to obtain information on intra-canal fractured instruments with respect to the treatment performed, tooth type, and the size and at what level the instrument fractured (coronal, middle or apical)...
August 10, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28791081/is-the-late-mandibular-fracture-from-third-molar-extraction-a-risk-towards-malpractice-case-report-with-the-analysis-of-ethical-and-legal-aspects
#5
Weuler Dos Santos Silva, Rubens Jorge Silveira, Michelle Gouveia Benicio de Araujo Andrade, Ademir Franco, Rhonan Ferreira Silva
OBJECTIVES: The present study reports a case of late mandibular fracture due to third molar extraction and highlights the inherent clinical, ethical and legal aspects related to this surgical complication. MATERIAL AND METHODS: A female patient underwent surgical procedure for the extraction of the mandibular right third molar. Two days after the surgery the patient reported pain and altered occlusion in the right side of the mandible. After clinical and radiographic re-examination, the diagnosis of late mandibular fracture was established...
April 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28789668/two-years-retrospective-study-of-maxillofacial-trauma-at-a-tertiary-center-in-north-west-ethiopia
#6
Amare Teshome, Getaneh Andualem, Rediet Tsegie, Samuel Seifu
BACKGROUND: Maxillofacial injury poses a challenge to oral and maxillofacial surgeons working in developing countries with limited resource and human power. The present study aimed to determine the etiology, pattern, and management of maxillofacial trauma in Gondar university of Gondar hospital. METHODS: A retrospective descriptive study design was used. Medical registration retrieving of patients with maxillofacial trauma visited dental center of University of Gondar Hospital from September 2013 to August 2015 was done...
August 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28773126/biomechanical-loading-evaluation-of-unsintered-hydroxyapatite-poly-l-lactide-plate-system-in-bilateral-sagittal-split-ramus-osteotomy
#7
Shintaro Sukegawa, Takahiro Kanno, Yoshiki Manabe, Kenichi Matsumoto, Yuka Sukegawa-Takahashi, Masanori Masui, Yoshihiko Furuki
OSTEOTRANS MX(®) (Takiron Co., Ltd., Osaka, Japan) is a bioactive resorbable maxillofacial osteosynthetic material composed of an unsintered hydroxyapatite/poly-l-lactide composite, and its effective osteoconductive capacity has been previously documented. However, the mechanical strength of this plate system is unclear. Thus, the aim of this in vitro study was to assess its tensile and shear strength and evaluate the biomechanical intensity of different osteosynthesis plate designs after sagittal split ramus osteotomy by simulating masticatory forces in a clinical setting...
July 7, 2017: Materials
https://www.readbyqxmd.com/read/28764303/surgical-management-of-a-separated-endodontic-instrument-using-second-generation-platelet-concentrate-and-hydroxyapatite
#8
S L Satheesh, Shefali Jain, Atul Chandra Bhuyan, Lekshmy S Devi
Fractured endodontic instrument is an unfortunate endodontic mishap which may obstruct thorough cleaning and shaping of the root canals with potential impact on the endodontic prognosis and treatment outcome. When the fractured segment lies apical to canal curvature, overzealous removal of tooth structure is required to gain access to the separated segment which in turn increases the likelihood of root fracture. In infected cases, the stage at which instrument separation occurs is crucial as root canal disinfection is jeopardized...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28764289/evaluation-of-donor-site-morbidity-associated-with-iliac-crest-bone-harvest-in-oral-and-maxillofacial-reconstructive-surgery
#9
K N V Sudhakar, Rajat Mohanty, Vaibhav Singh
INTRODUCTION: Iliac crest is the most common donor site for autogenous bone grafting as cortical bone, cancellous bone or combination of both can be harvested in abundance depending upon the need. Ilium provides highest concentration of osteo-component cells and greater quality of bone with less morbidity. AIM: The study was conducted to evaluate the donor site morbidity associated with autogenous iliac crest bone grafting for reconstruction in maxillofacial surgery...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763407/point-of-care-ultrasound-diagnosis-of-multiple-mandibular-fractures-in-an-adolescent-presenting-to-the-pediatric-emergency-department
#10
Nathan Zapolsky, Ivan Joseph Zapolsky, Czer Anthoney Lim
We present a case of an adolescent patient with multiple mandibular fractures diagnosed by point-of-care ultrasound in the pediatric emergency department. Sonographic findings consistent with fracture were identified in our patient, and early consultation expedited interdepartmental coordination and disposition. The role of ultrasound in identifying various traumatic orthopedic and maxillofacial injuries is discussed.
August 1, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28761274/comparative-evaluation-of-bite-force-analytical-study-following-mandibular-osteosysthesis-using-three-dimensional-and-conventional-locking-miniplates
#11
Pallav Kumar Kinra, K Jayakumar, C S Soumithran, Manoj Joseph Michael, Deepak Passi, Mahinder Singh
AIMS AND OBJECTIVES: The aim is to study the effectiveness of 2 mm three-dimensional (3D) titanium miniplates and 2 mm conventional titanium miniplates in osteosynthesis of mandibular fractures by comparing the change in bite force. METHODOLOGY: The study comprised forty patients of age group 20-40 years, weighing 55-75 kg having mandibular fractures. Patients were randomly divided into two equal groups In Group A, twenty patients underwent osteosynthesis using 3D titanium miniplates (2...
January 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28759118/mandibular-body-fracture-repair-with-wire-reinforced-interdental-composite-splint-in-small-dogs
#12
Michel Guzu, Philippe R Hennet
OBJECTIVE: To report the outcome of mandibular body fractures treated with a wire-reinforced interdental composite splint (WRICS) in small breed dogs. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned small breed dogs (n = 24). METHODS: Medical records (1998-2012) of small breed dogs (<10 kg) with mandibular body fractures treated by WRICS were reviewed for signalment, history, type of fracture, treatment, and clinical and radiological follow-up...
July 31, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28757936/three-point-bending-test-simulation-on-implant-fpds-with-a-bio-faithful-model
#13
V Vertucci, M Montani, C Arcuri, P Cardelli
AIM OF THE STUDY: It is well known by previous important studies that mandible flexes during different jaw movements. According to this assumption it is very important to know how implant supported fixed partial dentures could restrict mandibular movements and, could lead to excess strain accumulation that could modify the resolution of implant treatment. The aim of our project is to create a bio-faithful model able to recreate mandibular movements, during three point bending test methods of (FIXED -PARTIAL -DENTURES) FPDs, to avoid a not flexible metal base, where models' properties doesn't allow to obtain a bio-faithful simulation during testing phases...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28755867/shear-bond-strength-of-two-2-step-etch-and-rinse-adhesives-when-bonding-ceramic-brackets-to-bovine-enamel
#14
Marion Godard, Benjamin Deuve, Isabelle Lopez, Marie-Pascale Hippolyte, Stéphane Barthélemi
AIM: The present study assessed a fracture analysis and compared the shear bond strength (SBS) of two 2-step etch-and-rinse (E&R) adhesives when bonding ceramic orthodontic brackets to bovine enamel. MATERIALS AND METHODS: Thirty healthy bovine mandibular incisors were selected and were equally and randomly assigned to 2 experimental groups. Ceramic brackets (FLI Signature Clear(®), RMO) were bonded onto bovine enamel using an adhesive system. In group 1 (n=15), the conventional E&R adhesive (OrthoSolo(®)+Enlight(®), Ormco) was used, and in group 2 (n=15), the new E&R adhesive limited to ceramic bracket bonding (FLI ceramic adhesive(®): FLI sealant resin(®)+FLI adhesive paste(®), RMO) was used...
July 26, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28751946/concomitant-ear-bleed-and-styloid-fracture-an-unusual-complication-of-impacted-mandibular-third-molar-removal
#15
Krishnakumar Raja, Gayathri Gopi, Elavenil Panneerselvam, Jegatheesan Ramamoorthy, Guruprasad Thulasi Doss, Aditi Rajendra Sharma
The removal of impacted mandibular third molar is associated with potential complications such as dry socket, paresthesia, uncontrolled socket bleeding, angle fracture, etc., which are commonly encountered in dental practice. This article presents a peculiar case of "ear bleed" concomitant with "isolated styloid" fracture following removal of impacted mandibular third molar, not reported in the literature till date. Ear bleed is a bothersome clinical sign that requires thorough investigation and prompt treatment because it is frequently related to fractures of the skull base...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28751942/treatment-of-mandibular-angle-fractures-with-single-three-dimensional-locking-miniplates-without-maxillomandibular-fixation-how-much-fixation-is-required
#16
Sanjay Rastogi, Sam Paul, Sumedha Kukreja, Karun Aggarwal, Rupshikha Choudhury, Amit Bhugra, Niranjana Prasad Indra B, Moazzam Jawaid
The aim of this simple nonrandomized and observational study was to evaluate the efficacy of single three-dimensional (3D) plate for the treatment of mandibular angle fractures without maxillomandibular fixation. A total of 30 patients with noncomminuted fractures of mandibular angle requiring open reduction and internal fixation were included in the study. All the patients were treated by open reduction and internal fixation using single 3D titanium locking miniplate placed with the help of transbuccal trocar or Synthes 90-degree hand piece and screw driver...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28751939/a-comparative-assessment-of-postoperative-analgesic-efficacy-of-lornoxicam-versus-tramadol-after-open-reduction-and-internal-fixation-of-mandibular-fractures
#17
Ankesh Dilip Jain, Ravisankar Vsm, Siva Bharani Ksn, Sudheesh Km, Nisha Tewathia
Pain after any surgical procedure is inevitable but can be controlled by administration of analgesics in most cases. Postoperative pain after surgical treatment of mandibular fractures can be treated by nonsteroidal anti-inflammatory drugs (NSAIDs) and opioid analgesics. The purpose of this study is to critically compare the postoperative analgesic efficacy of small doses of intravenous TRAMADOL (opioid analgesic) versus LORNOXICAM (NSAID) in patients with mandibular trauma undergoing open reduction and internal fixation (ORIF) and to assess the presence of any adverse effects due to NSAID or opioid use...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28737727/patterns-associated-with-adult-mandibular-fractures-in-southern-taiwan-a-cross-sectional-retrospective-study
#18
Ko-Chien Lin, Shu-Hui Peng, Pao-Jen Kuo, Yi-Chun Chen, Cheng-Shyuan Rau, Ching-Hua Hsieh
Purpose: This study aimed to determine the patterns associated with adult mandibular fractures from a Level-I trauma center in southern Taiwan. Methods: The data of adult trauma patients admitted between 1 January 2009 and 31 December 2014 were retrieved from the Trauma Registry System and retrospectively reviewed. Fracture site and cause of injury were categorized into groups for comparison, and corresponding odds ratios (ORs) and 95% confidence intervals (CIs) were obtained by multivariate logistic regression...
July 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28732561/open-treatment-of-unilateral-mandibular-condyle-fractures-in-adults-a-systematic-review
#19
REVIEW
A Rozeboom, L Dubois, R Bos, R Spijker, J de Lange
Since the introduction of rigid internal fixation devices, more and more surgeons favour an open approach to treating condylar fractures of the mandible in adult patients. Different indications for open treatment have been published. Open treatment is associated with surgical complications because of the technique employed. The aim of this systematic review was to provide an overview of the studies published exclusively on open treatment, and to summarize the existing open treatment modalities and their clinical outcomes...
July 18, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28732221/atrophic-mandible-fractures-are-bone-grafts-necessary-an-update
#20
Jaime Castro-Núñez, Larry L Cunningham, Joseph E Van Sickels
PURPOSE: The management of atrophic mandibular fractures poses a challenge because of anatomic variations and medical comorbidities associated with elderly patients. The purpose of this article is to review and update the literature regarding the management of atrophic mandible fractures using load-bearing reconstruction plates placed without bone grafts. MATERIALS AND METHODS: We performed a review of the English-language literature looking for atrophic mandibular fractures with or without continuity defects and reconstruction without bone grafts...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
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