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Mandibular pathology

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https://www.readbyqxmd.com/read/28638558/impacted-lower-third-molars-and-distal-caries-in-the-mandibular-second-molar-is-prophylactic-removal-of-lower-third-molars-justified
#1
José Marques, Marta Montserrat-Bosch, Rui Figueiredo, Miguel-Angel Vilchez-Pérez, Eduard Valmaseda-Castellón, Cosme Gay-Escoda
BACKGROUND: The objective of this study was to evaluate the association between the presence of mandibular third molars and the occurrence of carious lesions in the distal aspect of the mandibular second molar. MATERIAL AND METHODS: A retrospective cohort study comprising 327 lower third molars extracted in the Oral Surgery and Implantology Master's Degree program of the School of Dentistry of the University of Barcelona (Barcelona, Spain) was carried out. A descriptive and bivariate analysis was made...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28620632/prevalence-of-soft-tissue-calcifications-in-cbct-images-of-mandibular-region
#2
Leila Khojastepour, Abdolaziz Haghnegahdar, Hamed Sayar
STATEMENT OF THE PROBLEM: Most of the soft tissue calcifications within the head and neck region might not be accompanied by clinical symptoms but may indicate some pathological conditions. PURPOSE: The aim of this research was to determine the prevalence of soft tissue calcifications in cone beam computed tomography (CBCT) images of mandibular region. MATERIALS AND METHOD: In this cross sectional study the CBCT images of 602 patients including 294 men and 308 women with mean age 41...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28616750/systematic-review-of-oral-manifestations-related-to-hyperparathyroidism
#3
REVIEW
Benjamin Palla, Egon Burian, Riham Fliefel, Sven Otto
OBJECTIVES: We sought to identify oral symptoms found in hyperparathyroidism and compare their rate of occurrence, as well as potential variations in sequelae between primary, secondary, and tertiary hyperparathyroidism. MATERIALS AND METHODS: Database searches were performed through EMBASE and PubMed, with a continual handsearch for relevant articles. PRISMA guidelines were followed. RESULTS: Two hundred five articles including 245 patients were analyzed with data extraction...
June 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28578372/mandibular-advancement-devices-vs-nasal-continuous-positive-airway-pressure-in-the-treatment-of-obstructive-sleep-apnoea-systematic-review-and-meta-analysis
#4
G Cammaroto, C Galletti, F Galletti, B Galletti, C Galletti, C Gay-Escoda
BACKGROUND: Obstructive sleep apnoea (OSA) is a common disorder that may affect at least 2 to 4% of the adult population. Nasal-Continuous Positive Airway Pressure (N-CPAP) is today considered the gold standard for the treatment of OSA. The development of oral appliances (OAs) represents a new approach for the management of this pathology. The aim of this systematic review is to compare the efficacy of OAs and N-CPAP in the treatment of patients with mild to severe OSA. MATERIAL AND METHODS: A PubMed-MEDLINE and Cochrane databases search of articles published between 1982 and 2016 comparing the effect of N-CPAP and OAs in OSA patients was conducted during July 2016...
June 4, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28576543/pycnodysostosis-at-otorhinolaryngology
#5
Tekin Baglam, Adem Binnetoglu, Muhammet Fatih Topuz, Nilay Baş Ikizoglu, Refika Ersu, Serap Turan, Murat Sarı
AIM: Pycnodysostosis is a rare autosomal, recessive, skeletal dysplasia caused by a mutation in the cathepsin k gene. Pycnodysostosis is characterized by short stature, characteristic facial appearance (delayed closure of fontanelles and cranial sutures, mandibular hypoplasia and angle disorder, blue sclera), and acroosteolysis of the distal phalanges. Our aim was to describe the otorhinolaryngologic findings, differential diagnoses, various treatment options, and followup in eight cases of pycnodysostosis...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28576461/osteomyelitis-of-the-jaw-with-pathological-fracture-following-extraction-of-an-impacted-wisdom-tooth-a-case-report
#6
B González-Navarro, C Arranz-Obispo, R Albuquerque, E Jané-Salas, J López-López
Osteomyelitis is an infection and inflammation associated with the bone structures: bone marrow, cortical bone, periosteum, blood vessels and nerves. Although it does not have a frequent presentation, it can sometimes lead to complications such as pathological fractures or even septicemia. We present a clinical case study, to assess the relationship between osteomyelitis of the jaw and pathological fractures, after the extraction of an impacted wisdom tooth. This case highlights a rare complication following the surgical removal of mandibular third molar; a slow evolution of the pathology following an extraction should lead to close monitoring of the patient both clinically and radiographically, albeit osteomyelitis is a rare complication, it should be included as one of the differential diagnosis of persistent post-extraction pain...
May 30, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28576125/dissection-of-the-internal-carotid-artery-and-stroke-after-mandibular-fractures-a-case-report-and-review-of-the-literature
#7
Ingrid Aune Tveita, Martin Ragnar Skjerve Madsen, Erik Waage Nielsen
BACKGROUND: We present a report of a patient with blunt trauma and mandibular fractures who developed a significant cerebral infarction due to an initially unrecognized injury of her left internal carotid artery. We believe that increased knowledge of this association will facilitate early recognition and hence prevention of a devastating outcome. CASE PRESENTATION: A 41-year-old ethnic Norwegian woman presented to our Emergency Room after a bicycle accident that had caused a direct blow to her chin...
June 2, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28566863/in-vivo-comparative-evaluation-of-mineral-trioxide-aggregate-and-formocresol-pulpotomy-in-primary-molars-a-60-month-follow-up-study
#8
Shivayogi M Hugar, Ravindranath Reddy, Shobha D Deshpande, Anand Shigli, Niraj S Gokhale, Shweta S Hugar
INTRODUCTION: Pulpotomy is a regular procedure in the management of inflamed primary teeth. Diverse materials have been reviewed for the pulpotomy, some of them being formocresol, glutaraldehyde, ferric sulfate, and mineral trioxide aggregate (MTA). AIMS: The aim was to evaluate and compare clinically and radiographically the effects of MTA as a pulp dressing after coronal pulp amputation (pulpotomy) in primary molars. SETTINGS AND DESIGN: Sixty primary molars of thirty healthy children using split mouth design aged between 4 and 6 years were treated by pulpotomy technique...
January 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28549259/purinergic-2x7-receptor-activation-regulates-wnt-signaling-in-human-mandibular-derived-osteoblasts
#9
Pimrumpai Rochanakit Sindhavajiva, Panunn Sastravaha, Mansuang Arksornnukit, Prasit Pavasant
OBJECTIVE: Purinergic 2X7 receptor (P2X7R) activation modulates in vitro mineralization by primary rat and human osteoblasts. However, the detailed mechanism of how P2X7R activation affects primary human osteoblasts remains unclear. The aim of this study was to investigate the effect of P2X7R activation on human mandibular-derived osteoblast (hMOB) differentiation. DESIGN: Primary human osteoblasts were obtained from non-pathologic mandibular bone from healthy patients...
May 18, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28545771/efficacy-of-proportional-condylectomy-in-a-treatment-protocol-for-unilateral-condylar-hyperplasia-a-review-of-73-cases
#10
Guillaume Mouallem, Zahia Vernex-Boukerma, Julie Longis, Jean-Philippe Perrin, Jean Delaire, Jacques-Marie Mercier, Pierre Corre
INTRODUCTION: Unilateral condylar hyperplasia (UCH) is characterized by an excessive growth of a mandibular condyle, resulting in facial, and occlusal deformities. Scintigraphic hyperactivity usually triggers the need of condylectomy. Delaire has presented a protocol for the treatment of active or non-active UCH using systematically a proportional condylectomy, which could solve both aetiology and adaptive deformities. The aim of this study was to evaluate this protocol by clinical and radiographical analysis...
July 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28538064/temporomandibular-joint-ankylosis-after-early-mandibular-distraction-osteogenesis-a-new-syndrome
#11
Manlio Galié, Valentina Candotto, Giovanni Elia, Luigi C Clauser
Distraction osteogenesis (DO) has been one of the most innovative concepts in cranio-maxillofacial syndromology and surgery over the last 25 years.Early mandibular distraction in severe micrognathia has recently been recognized as an effective treatment option to safely relieve upper airway obstruction associated with mandibular deficiency.An increased incidence in temporomandibular joint complications during DO in neonates has recently been reported, especially in syndromic patients.The authors report 2 children affected by severe micrognathia and severe respiratory distress at birth...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28495409/effect-of-asymptomatic-visible-third-molars-on-periodontal-health-of-adjacent-second-molars-a-cross-sectional-study
#12
Hong-Lei Qu, Bei-Min Tian, Kun Li, Li-Na Zhou, Zhi-Bang Li, Fa-Ming Chen
PURPOSE: Evidence that asymptomatic third molars (M3s) negatively affect their adjacent second molars (A-M2s) is limited. The present study evaluated the association between visible M3s (V-M3s) of various clinical status with the periodontal pathologic features of their A-M2s. PATIENTS AND METHODS: Subjects with at least 1 quadrant having intact first and second molars, either with V-M3s and symptom free or without adjacent V-M3s, were enrolled in the present cross-sectional investigation...
April 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28494046/traditional-postextractive-implant-site-preparation-compared-with-pre-extractive-interradicular-implant-bed-preparation-in-the-mandibular-molar-region-using-an-ultrasonic-device-a-randomized-pilot-study
#13
Antonio Scarano
PURPOSE: The immediate placement of single postextractive implants is increasing in the everyday clinical practice. Due to insufficient bone tissue volume, proper primary stability, essential for subsequent osseointegration, is sometimes not reached. The aim of this work was to compare two different approaches: implant bed preparation before and after root extraction. MATERIALS AND METHODS: Twenty-two patients of both sexes were selected who needed an implant-prosthetic rehabilitation of the fractured first mandibular molar or presented an untreatable endodontic pathology...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28472562/prevalence-of-odontogenic-lesions-among-the-kanpur-population-an-institutional-study
#14
Amrita Raj, Gayathri Ramesh, Ramesh Nagarajappa, Amit Pandey, Ankita Raj
BACKGROUND: The frequency and incidence of odontogenic cysts and tumors are controversial and depends in the geographic location. These lesions have great clinical and histopathological diversity, and reflect a need for epidemiological profile to be considered when these lesions are studied. AIM: The purpose of this study was to determine the prevalence of odontogenic cysts and tumors over a period of 10 years and to compare with other data reported around the world...
May 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/28462196/aggressive-unicystic-ameloblastoma-affecting-the-posterior-mandible-late-diagnosis-during-orthodontic-treatment
#15
Sérgio Lúcio Pereira de Castro Lopes, Isadora Luana Flores, Thiago de Oliveira Gamba, Rivea Ines Ferreira-Santos, Mari Eli Leonelli de Moraes, Aline Alvarez Cabello, Paula Nascimento Moutinho
Maxillofacial images must be examined to find pathologies not identified during clinical examination. Unicystic ameloblastoma (UA) extending to the mandibular body and ramus was neglected on initial panoramic radiographic examination. After orthodontic therapy, a huge lesion was observed clinically and through imaging exams. After the conservative surgery, no recurrence was observed during five years of follow-up. This case emphasized the need for careful evaluation of patient images focusing on the oral diagnosis before any dental treatment planning, including orthodontic therapy...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28452718/tinnitus-in-temporomandibular-joint-disorders-is-it-a-specific-somatosensory-tinnitus-subtype
#16
Giuseppe Maria Antonio Algieri, Alessandra Leonardi, Paolo Arangio, Valentino Vellone, Carlo Di Paolo, Piero Cascone
The most significant otologic symptoms, consisting of ear pain, tinnitus, dizziness, hearing loss and auricolar "fullness", generally arise within the auditory system, often are associated with extra auricolar disorders, particularly disorder of the temporo-mandibular joint. In our study we examined a sample of 200 consecutive patients who had experienced severe disabling symptom. The patiens came to maxillofacial specialist assessment for temporomandibular disorder. Each patient was assessed by a detailed anamnestic and clinical temporomandibular joint examination and they are divided into five main groups according classification criteria established by Wilkes; tinnitus and subjective indicators of pain are evaluated...
April 19, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28442112/experimental-infection-with-yersinia-pseudotuberculosis-in-european-brown-hare-lepus-europaeus-pallas
#17
Filippo Fratini, Ranieri Verin, Valentina V Ebani, Cecilia Ambrogi, Fabrizio Bertelloni, Barbara Turchi, Alessandro Poli, Domenico Cerri
OBJECTIVE: To investigate clinicopathological, bacteriological and pathological aspects of an experimental infection with Yersinia pseudotuberculosis (Y. pseudotuberculosis) in hares to verify the efficacy of serology for the in vivo diagnosis. Moreover, the pathogenicity of two Y. pseudotuberculosis strains was investigated in order to detect potential differences. METHODS: Twelve European brown hares (Lepus europaeus, Pallas) were experimentally infected per os and via conjunctival mucosae with Y...
March 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28437515/a-new-equation-for-predicting-evolution-of-oral-pain-in-orthodontic-treatment-a-longitudinal-prospective-cohort-study
#18
Monica Larrea, Rosario Salvador, Rosa Cibrian, Jose Luis Gandia, Vanessa Paredes-Gallardo
AIMS: To develop an equation capable of relating the evolution of oral pain to the time elapsed, measured from the moment of dental archwire fitting and identifying when pain begins, peaks, and ends; and secondly, to compare pain during orthodontic treatment in relation to archwire material (steel or nickel-titanium [Ni-Ti]) and position (maxillary or mandibular) and patient age (child, teenager, or adult) and gender (male or female). METHODS: A longitudinal prospective cohort study was conducted of 112 patients who filled in a scale to evaluate pain, noting the times when the pain occurred...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437035/the-association-between-oral-examination-findings-and-computed-tomographic-appearance-of-the-equine-temporomandibular-joint
#19
J L Carmalt, H Simhofer, A Bienert-Zeit, J E Rawlinson, C L Waldner
BACKGROUND: The temporomandibular joint (TMJ) forms the junction between the maxilla and mandible. Movement of the jaw and resulting masticatory forces have been extensively studied in the horse; however, less is known about the inter-relationship between this joint and oral and dental pathology. OBJECTIVES: To determine the association between specific oral and dental pathologies and anatomical variations of the TMJ imaged with computed tomography (CT) in horses with asymptomatic TMJs...
April 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28419843/a-review-of-in-office-dynamic-image-navigation-for-extraction-of-complex-mandibular-third-molars
#20
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
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