نتایج جستجو برای: tooth apex

تعداد نتایج: 100559  

Journal: :International Journal of Prosthodontics and Restorative Dentistry 2013

2014
Neelambar Kaipatur Yuchin Wu Samer Adeeb Thomas Stevenson Paul Major Michael Doschak

The aim of this animal study was to develop a model of orthodontic tooth movement using a microimplant as a TSAD in rodents. A finite element model of the TSAD in alveolar bone was built using μCT images of rat maxilla to determine the von Mises stresses and displacement in the alveolar bone surrounding the TSAD. For in vivo validation of the FE model, Sprague-Dawley rats (n = 25) were used and...

Journal: :The journal of contemporary dental practice 2013
Marcelo Tomas de Oliveira Luiz Guilherme Bentregani Braulio Pasternak Fabio Dagostin Cancelier Diego Rocha de Jesus Gustavo Otoboni Molina

BACKGROUND Enamel matrix-derived proteins (Emdogain) stimulate the proliferation of periodontal ligament cells, contributing to their regeneration. AIM This study was to perform histometric assessment of root surface resorption in replanted teeth with the use of Emdogain®. MATERIALS AND METHODS Male Wistar rats (Rattus norvegicus), weighing 180 to 200 gm, were anesthetized, subjected to ext...

2017
Sonali Taneja Mohit Kumar Sonal Soi Sharma Hulas Gogia

How to Cite this Article: Taneja S, Kumar M, Sharma SS, Gogia H, et al. Comparative Evaluation of Accuracy of Three Electronic Apex Locators in Different Simulated Clinical ConditionsAn invitro Study. Ann Med Health Sci Res. 2017; 7: 190-194 This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to...

Journal: :Dental traumatology : official publication of International Association for Dental Traumatology 2006
Rajiv Patel Nestor Cohenca

Successful direct pulp capping of cariously exposed permanent teeth with reversible pulpitis and incomplete apex formation can prevent the need for root canal treatment. A case report is presented which demonstrates the use of mineral trioxide aggregate (MTA) as a direct pulp capping material for the purpose of continued maturogenesis of the root. Clinical and radiographic follow-up demonstrate...

Journal: :Endodontics & dental traumatology 1990
K Oikarinen J Lahti A M Raustia

A total of 45 mandibular fracture patients with 54 teeth in the fracture line were evaluated retrospectively. One tooth in the fracture line was lost in the accident, 6 were extracted later and 47 could be saved (87%). At the follow-up examination 38% of the teeth were diagnosed to have pulp necrosis, which was found more frequently in the older patients and in cases in which the time elapsing ...

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2009
Santiago González-López María Purificación González-Villafranca María Victoria Bolaños-Carmona Mario Menéndez-Nuñez

We report a case of nonendodontically treated first upper premolar crown root fracture in which the palatal cusp fracture extended below the cementoenamel junction. Reattachment of the palatal cusp in its original position by acid-etch and flowable composite allowed the creation of a standard access opening as in an intact tooth, avoiding apex location errors and contamination of the root canal...

2016
Muhammad Abdullah Kamran Syed Shahbaz Mehwash Kashif

Apical root resorption is an undesirable sequela of orthodontic therapy in some patients that results in permanent loss of tooth structure from the root apex. Experimental studies done have shown that all human teeth develop resorption lacunae on the pressure side of root surface shortly after the application of orthodontic forces, and they are re________________________________________________...

Journal: :Dental clinics of North America 2010
Martin Trope

Traditional methods of treatment of immature root with necrotic pulp and apical periodontitis pose multiple challenges. These challenges include disinfection of the root canal with standard protocols that aggressively use endodontic files, filling the root canal with an open apex that provides no barrier for stopping the root filling material before impinging on the periodontal tissues, and the...

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