نتایج جستجو برای: disk displacement

تعداد نتایج: 110864  

Journal: :journal of dental materials and techniques 0
mahrokh mahrokh imanimoghaddam oral and maxillofacial diseases research center, department of oral and maxillofacial radiology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) azam sadat azam sadat madani department of prosthodontics, faculty of dentistry and dental research center, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) elahe elahe mahmoudi hashemi department of oral and maxillofacial radiology, faculty of dentistry, north khorasan university of medical sciences, bojnurd, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی خراسان شمالی (khorasan shomali university of medical sciences)

introduction: it has been shown that joint click, an initial and common finding in internal derangement (id), respond to neither conservative treatment nor surgical intervention. this raises the question as to whether it must be treated in the absence of other pertinent signs and symptoms, so the aim of this study was to investigate and compare the mri findings of tmj in both normal subjects an...

Azam Sadat Madani Elahe Mahmoudi Hashemi, Mahrokh Imanimoghaddam

Introduction: It has been shown that joint click, an initial and common finding in internal derangement (ID), respond to neither conservative treatment nor surgical intervention. This raises the question as to whether it must be treated in the absence of other pertinent signs and symptoms, so the aim of this study was to investigate and compare the MRI findings of TMJ in both normal subjects an...

Background and Aims :The most frequent cause of TMJ dysfunction is internal derangement which that largely involves  the function of the articular disc. Anterior disc displacement (ADD) is one of the major findings in TMJ internal derangement. Since the importance of knowledge of its etiology and also The role of all structural indicators association with TMD was not evaluated, in this researc...

ژورنال: مجله دندانپزشکی 2012
باشی‌زاده فخار, حوریه, مفیدی, نیلوفر, گودرزی پور, داریوش,

Background and Aims: Internal derangement of the Temporomandibular joint (TMJ) is the most common form of Temporomandibular disorders, which represents an abnormal internal strucural and functional change of the disk, as well as an abnormal relationship of the disk to the condyle, glenoid fossa and articular eminence when the teeth are in the closed- mouth position. The aim of this study was to...

Journal: :Oral surgery, oral medicine, oral pathology and oral radiology 2015
Daniela Pita de Melo Saulo Leonardo Sousa Melo Luciana Soares de Andrade Freitas Oliveira Flávia Maria de Moraes Ramos-Perez Paulo Sérgio Flores Campos

OBJECTIVE To evaluate the occurrence of temporomandibular joint disk displacement and its correlation with pain and osseous abnormalities using magnetic resonance imaging (MRI) in patients under 21 years of age. STUDY DESIGN MRI images in open- and closed-mouth positions from 102 patients, under 21 years of age (mean age 17 years), were studied retrospectively. Patients were divided into six ...

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2009
Daniele Manfredini Dario Basso Rosa Arboretti Luca Guarda-Nardini

OBJECTIVE The aim of the present study was to evaluate the association between temporomandibular joint (TMJ) effusion and disk displacement by means of magnetic resonance (MR) imaging. METHODS One hundred and ninety-four patients were included in the study and underwent a bilateral MR of the TMJ at both closed mouth and maximum mouth opening positions. The association between TMJ effusion and...

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2001
T Sülün T Cemgil J M Duc P Rammelsberg L Jäger W Gernet

OBJECTIVE The purpose of this study was to evaluate temporomandibular joint morphology and to compare possible structural variations in the temporomandibular joint anatomy of symptomatic anterior disk displacement patients with possible structural variations in the temporomandibular joint anatomy of symptom-free volunteers. STUDY DESIGN Fifty-six symptomatic patients and 25 symptom-free volun...

2015
Raman Kumar Shambulingappa Pallagatti Soheyl Sheikh Amit Mittal Deepak Gupta Sonam Gupta

OBJECTIVES Temporomandibular joint (TMJ) dysfunction is a common condition that is best evaluated with magnetic resonance (MR) imaging. The first step in MR imaging of the TMJ is to evaluate the articular disk, or meniscus, in terms of its morphologic features and its location relative to the condyle in both closed- and open-mouth positions. Disk location is of prime importance because the pres...

Journal: :Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology 2015
Luis Eduardo Almeida Karina Caporal Viviane Ambros Marina Azevedo Lucia Noronha Rosy Leonardi Paula C Trevilatto

PURPOSE Matrix metalloproteases (MMPs) are tissue-remodeling enzymes that function during the remodeling process, such as in immune-inflammatory diseases. Metalloprotease-2 (MMP-2) and metalloprotease-9 (MMP-9) are gelatinases that degrade several types of extracellular matrix collagen. It is hypothesized that in temporomandibular joint (TMJ) dysfunction, MMP-2 and MMP-9 expression levels may b...

A Ghorbanpour Arani, H Khazaali M Dadkhah M Rahnama

In this paper, a radially piezoelectric functionally graded rotating disk is investigated by the analytical solution. The variation of material properties is assumed to follow a power law along the radial direction of the disk. Two resulting fully coupled differential equations in terms of the displacement and electric potential are solved directly. Numerical results for different profiles of i...

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