نتایج جستجو برای: multiple apical root resorption

تعداد نتایج: 924339  

2014
Atakan Kalender Meltem D Öztan Fatma Basmaci Umut Aksoy Kaan Orhan

BACKGROUND Internal inflammatory root resorption is a rare condition in permanent teeth, which requires the presence of necrotic and infected pulp tissue within the coronal portion of the root canal system as well as inflamed pulp tissue apical to the resorptive defect. The aetiology of internal root resorption is not completely understandable, trauma and chronic pulpitis are considered the mai...

Journal: :Dental press journal of orthodontics 2013
Gracemia Vasconcelos Picanço Karina Maria Salvatore de Freitas Rodrigo Hermont Cançado Fabricio Pinelli Valarelli Paulo Roberto Barroso Picanço Camila Pontes Feijão

OBJECTIVE The aim of this study was to evaluate predisposing factors among patients who developed moderate or severe external root resorption (Malmgren's grades 3 and 4), on the maxillary incisors, during fixed orthodontic treatment in the permanent dentition. METHODS Ninety-nine patients who underwent orthodontic treatment with fixed edgewise appliances were selected. Patients were divided i...

2014
Ahmed R. Afify Khalid H. Zawawi Hisham I. Othman

Objectives: This study was aimed to evaluate external apical root resorption of the maxillary first permanent molars following cervical traction headgear during orthodontic treatment of Class II division 1 patients. Methods: Thirty-eight patients with Angle's class II division 1 malocclusion with a mean age of 13.4 (1.5) years were selected and divided into two groups. Headgear group comprised...

2016
Eliane Maria Kreich Ana Cláudia Chibinski Ulisses Coelho Letícia Stadler Wambier Rosário de Arruda Moura Zedebski Mari Eli Leonelli de Moraes Luiz Cesar de Moraes

PURPOSE This study employed a posteriori registration and subtraction of radiographic images to quantify the apical root resorption in maxillary permanent central incisors after orthodontic treatment, and assessed whether the external apical root resorption (EARR) was related to a range of parameters involved in the treatment. MATERIALS AND METHODS A sample of 79 patients (mean age, 13.5±2.2 ...

Journal: :Journal of endodontics 1983
A L Frank

External root resorption in posttreatment orthodontic patients, if severe, may jeopardize the retention of the tooth or teeth involved. Numerous studies (1-5) have been undertaken to determine the relationship between the frequency and severity of external root resorption and orthodontic movement. Some investigators found the incidence of root resorption to be low (6-9), while others found it t...

2015
Caroline Pelagio Raick Maués Rizomar Ramos do Nascimento Oswaldo de Vasconcellos Vilella

OBJECTIVE To assess the prevalence of severe external root resorption and its potential risk factors resulting from orthodontic treatment. METHODS A randomly selected sample was used. It comprised conventional periapical radiographs taken in the same radiology center for maxillary and mandibular incisors before and after active orthodontic treatment of 129 patients, males and females, treated...

2008
Jamileh Ghoddusi Saeed Asgary Masoud Parirokh Mohammad Jafar Eghbal Mahdi Vatanpour Fatemeh Shahrami

INTRODUCTION The aim of this innovative study was to regenerate a condition that makes it possible to carry out researches in the field on a variety of resorption. MATERIALS AND METHODS In order to develop apical resorption, the root canals of selected teeth were instrumented and then drilled with #4 Gates Glidden drills. In the next stage, the teeth were submerged in melted rose wax up to 3 ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید