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https://www.readbyqxmd.com/read/28806382/orbital-cellulitis-following-orbital-blow-out-fracture
#1
Je Yeon Byeon, Hwan Jun Choi
Orbital cellulitis and abscess have been described in the literature as complication that usually occur secondary to infection in the maxillary, ethmoidal, and frontal sinuses. If left untreated, it can lead to blindness, cavernous sinus thrombosis, meningitis, or cerebral abscess. Orbital fractures are a common sequela of blunt orbital trauma, but are only rarely associated with orbital cellulitis. So, the authors present rare orbital cellulitis after orbital blow-out fracture. A 55-year-old Asian complains of severe orbital swelling and pain on the left side...
August 10, 2017: Journal of Craniofacial 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
#2
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/28774943/epidemiological-survey-on-equine-cheek-tooth-infundibular-caries-in-the-united-kingdom
#3
Dewi Borkent, Richard Reardon, Padraic M Dixon
Infundibular caries (IC) is an important equine dental disorder that can cause premature wear, fractures and apical infection of affected maxillary cheek teeth. No accurate prevalence values for IC are available for UK horses. The feeding of high levels of concentrates is believed to increase its prevalence, but no objective information is available on such possible environmental risk factors. The aims of the study were to document the prevalence of IC in UK horses, assess its distribution and severity between infundibulae and teeth in affected horses and examine for potential risk factors for its development...
August 3, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28756865/influence-of-remaining-coronal-tooth-structure-on-fracture-resistance-and-failure-mode-of-restored-endodontically-treated-maxillary-incisors
#4
Domingo Santos Pantaleón, Brian R Morrow, David R Cagna, Cornelis H Pameijer, Franklin Garcia-Godoy
STATEMENT OF PROBLEM: Limited information is available on the effect of an incomplete ferrule because of the varying residual axial wall heights and the volume of residual tooth structure on the fracture resistance of endodontically treated and restored maxillary incisors. PURPOSE: The purpose of this in vitro investigation was to examine the effect of varying residual axial wall heights, residual coronal tooth structure, and the absence of 1 proximal axial wall on the fracture resistance and failure mode of endodontically treated teeth restored with metal posts...
July 27, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28741325/continuous-pain-and-swelling-after-humerus-fracture-in-an-86-years-old-woman
#5
M Herrera-Pérez, J Boluda-Mengod, R Muñoz-Ortus, M J Gutiérrez-Morales, J Pais-Brito
Metastases to bone are the most frequent cause of destructive lesions to the skeleton in adults . The tumours that are most likely to metastasize to bone are prostate (32%), breast (22%), kidney (16%), lung and thyroid. The typical distribution of metastatic lesions are to the spine, ribs, pelvis, and proximal limb girdles. The humerus is the second most common site for long bone metastases, behind only the femur in its frequency of involvement . It represents the 20% of all bony metastases. We present a clinical case of an 86 yo woman with a previous diagnosis of myofibroblastic sarcoma of the maxillaris who suffers a pathological fracture of the humeral shaft secondary to metastasis and was misdiagnosed and treated for a typical humeral fracture using and intramedullary pinning (Hackethal technique), producing the progression of the disease within the humeral shaft...
January 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28740741/ten-year-follow-up-of-a-fragment-reattachment-to-an-anterior-tooth-a-conservative-approach
#6
Luiz Mendes, Laisa Laxe, Leandro Passos
This report describes the 10-year follow-up data of a patient who underwent fragment reattachment to the maxillary central incisor after coronal fracture with pulp exposure as well as the procedures followed for functional and esthetic adjustments. A 9-year-old female patient presented at the clinic of dentistry at the State University of Rio de Janeiro with a coronal fracture and pulp exposure of the right maxillary central incisor that had occurred immediately after an accident. The intact tooth fragment was recovered at the accident site and stored in milk...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28739013/influence-of-access-cavity-design-on-root-canal-detection-instrumentation-efficacy-and-fracture-resistance-assessed-in-maxillary-molars
#7
Gabriela Rover, Felipe Gonçalves Belladonna, Eduardo Antunes Bortoluzzi, Gustavo De-Deus, Emmanuel João Nogueira Leal Silva, Cleonice Silveira Teixeira
INTRODUCTION: The aim of this study was to assess the influence of contracted endodontic cavities (CECs) on root canal detection, instrumentation efficacy, and fracture resistance assessed in maxillary molars. Traditional endodontic cavities (TECs) were used as a reference for comparison. METHODS: Thirty extracted intact maxillary first molars were scanned with micro-computed tomographic imaging at a resolution of 21 μm, assigned to the CEC or TEC group (n = 15/group), and accessed accordingly...
July 21, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28735788/effect-of-mineral-trioxide-aggregate-apical-plug-thickness-on-fracture-resistance-of-immature-teeth
#8
Ersan Çiçek, Neslihan Yılmaz, M Murat Koçak, Baran Can Sağlam, Sibel Koçak, Burcu Bilgin
INTRODUCTION: The aim of this study was to compare the fracture resistance of simulated immature teeth after using different thicknesses of mineral trioxide aggregate (MTA) apical plugs. METHODS: Fifty-two human maxillary anterior teeth were used. Five teeth were the positive control group; they were prepared using Peeso reamers to simulate immature teeth without any access cavity preparation. Access cavities of the 47 teeth were prepared, and the canals were instrumented with Peeso reamers...
July 20, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28730236/root-fractures-epidemiological-clinical-and-radiographic-aspects
#9
Sanda Mihaela Popescu, Oana Andreea Diaconu, Monica Scrieciu, Iulia Roxana Marinescu, Emma Cristina Drăghici, Anca Gabriela Truşcă, Alexandra Carina Bănică, Mihaela Vătu, Veronica MercuŢ
Chronic root fractures are a relative frequent dental condition, occurring both in vital teeth and in teeth with root canal treatment, with a difficult and frustrating diagnosis. Two clinical forms are described: crown-root fractures with crown origin and vertical root fractures with root origin. The aim of the study was to determine the prevalence of the root fractured extracted teeth in two dental clinics with different profile [oral rehabilitation (OR) and endodontics (E)] and to present some particular aspects of the root fractures...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28718704/a-study-of-sports-related-orbital-fractures-in-singapore
#10
Jing Zhan Lock, Raghuraj Hegde, Stephanie Young, Thiam Chye Lim, Shantha Amrith, Gangadhara Sundar
With an increased popularity of sport and active living worldwide, our study aims to explore the incidence and features of sports-related orbital fractures in Singapore. 1421 computer tomography (CT) imaging scans of the face and orbits done at the National University Hospital over a 24-month period from January 2013 and December 2014 were reviewed retrospectively for orbital fractures. We identified 483 orbital fractures of which sports injury was the fourth most common etiology (n = 65; 13.5%) after road traffic accident (n = 131; 27...
July 18, 2017: Orbit
https://www.readbyqxmd.com/read/28713755/tumor-induced-osteomalacia-a-sherlock-holmes-approach-to-diagnosis-and-management
#11
G V Chanukya, Manoj Mengade, Jagadishwar Goud, I Satish Rao, Anuj Jain
Tumor-induced osteomalacia (TIO) is a subtype of paraneoplastic syndrome associated with hypophosphatemia due to renal phosphate wasting in adults. The humoral factor responsible for clinical picture known as fibroblast growth factor 23 (FGF23) is most often secreted by benign yet elusive mesenchymal tumors, difficult to localize, access, and excise completely; rarely, they are multiple and malignant. Paradoxical inappropriately normal or low levels of 1,25-dihydroxyvitamin D in the setting of hypophosphatemia is due to suppressive effect of FGF23...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28712632/fracture-resistance-of-endodontically-treated-teeth-restored-with-2-different-fiber-reinforced-composite-and-2-conventional-composite-resin-core-buildup-materials-an-in%C3%A2-vitro-study
#12
Ashly Mary Eapen, L Vijay Amirtharaj, Kavitha Sanjeev, Sekar Mahalaxmi
INTRODUCTION: The purpose of this in vitro study was to comparatively evaluate the fracture resistance of endodontically treated teeth restored with 2 fiber-reinforced composite resins and 2 conventional composite resin core buildup materials. METHODS: Sixty noncarious unrestored human maxillary premolars were collected, endodontically treated (except group 1, negative control), and randomly divided into 5 groups (n = 10). Group 2 was the positive control. The remaining 40 prepared teeth were restored with various direct core buildup materials as follows: group 3 teeth were restored with dual-cure composite resin, group 4 with posterior composite resin, group 5 with fiber-reinforced composite resin, and group 6 with short fiber-reinforced composite resin...
July 13, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28709037/finite-element-analysis-and-clinical-complications-in-mandibular-implant-overdentures-opposing-maxillary-dentures
#13
Tameem Khuder, Norsiah Yunus, Eshamsul Sulaiman, Ali Dabbagh
Denture fracture is a common clinical complication caused by improper material selection, design, or fabrication technique. This study aimed to investigate the effect of two attachment systems on fracture risk of the implant-overdentures (IOD) via finite element analysis (FEA), using the force distributions obtained from patients' occlusal analyses and to compare the obtained results with the clinical complications associated with these attachments. A three-dimensional jaw model comprised of the edentulous bones was constructed...
July 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28708920/complications-and-clinical-considerations-of-the-implant-retained-zirconia-complete-arch-prosthesis-with-various-opposing-dentitions
#14
Jorge Gonzalez, Robert G Triplett
PURPOSE: To evaluate the performance of the implant-retained zirconia complete-arch prosthesis with various opposing dentitions. MATERIALS AND METHODS: The 40 patients included in this retrospective case series study were treated with one or two implant-retained zirconia complete-arch prostheses (ZIRCAP) using the Zirkonzahn protocol. Prettau zirconia frames were created with strategic cutbacks in the structure to extend zirconia incisal coverage of the esthetic anterior sextants and complete monolithic zirconia in the molar areas; subsequent layers of porcelain were applied to nonfunctional and esthetic areas...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28698833/hiding-within-the-cracks-case-report-of-rare-sutural-bone-found-at-the-nasion
#15
Bryan Edwards, Joy Mh Wang, Joe Iwanaga, Jennifer Luviano, Marios Loukas, Rod J Oskouian, R Shane Tubbs
Pathology such as skull fractures can be misdiagnosed in the presence of anatomical variations. One variant that has had little description in the literature are the sutural bones associated with the nasal bones. Herein, we describe a case of a rare sutural bone at the nasion, between the bones of the right nasal, frontal, and maxillary frontal process. To our knowledge, this is the first report of such a variant bone in this location, and such it should be considered by clinicians when evaluating patients for pathology in this region...
June 10, 2017: Curēus
https://www.readbyqxmd.com/read/28692502/reconstruction-of-zygomaticomaxillary-buttress-with-mandibular-ramus-bone-graft-in-atrophic-maxillary-fracture
#16
Gabriel Mulinari-Santos, Sormani Queiroz, João Paulo Bonardi, Valthierre Nunes Lima, Juliana Zorzi Coléte, Francisley Ávila Souza, Idelmo Rangel Garcia-Júnior, Leonardo Perez Faverani
No abstract text is available yet for this article.
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28672134/facial-fractures-in-patients-with-firearm-injuries-profile-and-outcomes
#17
Shelly Abramowicz, Veerasathpurush Allareddy, Sankeerth Rampa, Min Kyeong Lee, Romesh P Nalliah, Veerajalandhar Allareddy
PURPOSE: Firearm injuries (FAIs) are a major public health issue in the United States. The objective of this study was to examine characteristics and outcomes of patients presenting to emergency departments (EDs) with facial fractures attributed to FAIs. MATERIALS AND METHODS: The Nationwide Emergency Department Sample for the years 2008 to 2013 was used. All patients who visited EDs with FAIs and facial fractures were selected. The study focused on the following variables: 1) demographic characteristics, 2) types of facial fractures, 3) disposition status after ED visit or subsequent hospitalization, 4) charges (ED and hospitalization), and 5) patient outcomes...
June 8, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28663018/intraoral-vertico-sagittal-ramus-osteotomy-modification-of-the-l-shaped-osteotomy
#18
J Iwanaga, S Kikuta, M Nakamura, A Koba, K Ogata, S Toyofuku, R S Tubbs, J Kusukawa
The sagittal split ramus osteotomy and intraoral vertical ramus osteotomy carry the potential risk of postoperative nerve paralysis, bleeding, and fracture and dislocation of the condyle. In 1992, Choung first described the intraoral vertico-sagittal ramus osteotomy for the purpose of avoiding postoperative dislocation of the condyle. However, there is still potential for damaging the inferior alveolar nerve and maxillary artery with this technique. The authors have developed a modified technique to minimize these risks...
June 26, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28663017/the-application-of-a-delayed-expansion-technique-for-horizontal-alveolar-ridge-augmentation-in-dental-implantation
#19
X Li, P Xu, X Xu, S Liu
The aim of this study was to evaluate the application of delayed expansion of the alveolar ridge in dental implantation. This method avoids the need to harvest autogenous bone and the requirement to fix a block with screws, and could help prevent the uncontrolled fracture and avascular necrosis that may result from the traditional alveolar split. Eighteen patients and 43 implants were included in this retrospective study. The width of the alveolar ridge was measured before implantation, immediately after implantation, and after the final restoration...
June 26, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28658906/the-effect-of-cavity-design-on-fracture-resistance-and-failure-pattern-in-monolithic-zirconia-partial-coverage-restorations-an-in-vitro-study
#20
Madhavareddy Sri Harsha, Mynampati Praffulla, Mandava Ramesh Babu, Gudugunta Leneena, Tejavath Sai Krishna, G Divya
INTRODUCTION: Cavity preparations of posterior teeth have been frequently associated with decreased fracture strength of the teeth. Choosing the correct indirect restoration and the cavity design when restoring the posterior teeth i.e., premolars was difficult as it involves aesthetic, biomechanical and anatomical considerations. AIM: To evaluate the fracture resistance and failure pattern of three different cavity designs restored with monolithic zirconia. MATERIALS AND METHODS: Human maxillary premolars atraumatically extracted for orthodontic reasons were chosen...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
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