نتایج جستجو برای: premolars

تعداد نتایج: 3284  

Journal: :Acta Facultatis Medicae Naissensis 2016

Journal: :Contemporary materials 2021

Introduction: After completion of therapy with fixed orthodontic appliances, it is necessary to remove the brackets and remaining adhesive. The process removing adhesive can lead iatrogenic damage enamel surface. aim this research was make a visual assessment surface after application Enamel Surface Rating System Damage Index green stone for removal remnants, appliances. Material Method: Within...

Journal: :Pakistan Journal of Medical and Health Sciences 2022

Objective: To examine the dispersal of NCCLs (non-carious cervical lesions) by tooth type. This research also aims to explore NCCLs’ prevalence in those patients who go through orthodontic surgery and possible factors linked with it. Study design: A cross-sectional study Place Duration: was conducted at Pakistan Medical Center Hyderabad from August 2021 2022. Methodology: Overall, 162 individua...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
ماندانا ناصری mandana nasseri dental school, shahid beheshti university of medical sciences, tehran- iranدانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی مژگان ممیز mozhgan momayyez زهره آهنگری zohreh ahangari dental school, shahid beheshti university of medical sciences, tehran- iranدانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی

objective: knowledge about the internal anatomy of the root canal and apical foramen is a critical prerequisite for root canal therapy and is necessary for the success of endodontic treatment. this study aimed to determine the distance of apical foramen from the anatomical apex and apical constriction, evaluate the deviation of apical foramen from the anatomical apex and specify the most common...

Journal: :Birth defects original article series 1975
R J Jorgenson S J Marsh F H Farrington

The case of a 3 11/12-year-old Chinese boy with the dental abnormalities of "otodental" dysplasia is reported. Hearing was normal. Dental anomalies consisted of delayed eruption of globe-shaped molars, bulbous deciduous canines, and double pulp chambers in the molars. Radiographs taken 4 years later showed taurodontic molars, supernumerary microdontic teeth, retarded formation of premolars, and...

2017
Renu Tanwar Vipul Jaitly Aadya Sharma Rashmi Heralgi Munish Ghangas Ankur Bhagat

Hyperdontia or supernumerary teeth in both arches without any syndromic manifestation are extremely rare. Supernumerary teeth are commonly associated with Gardner's syndrome, cleft lip and palate, cleidocranial dysplasia and trichorhinopha-langeal syndrome. Five cases of non-syndromic multiple premolars of maxillary and mandibular arches in Indian patients are presented here. This case series r...

2017
Jorge J. Pavani Carrillo Maria C. Rubial Cristina Albornoz Silvina Villalba Patricia Damiani Marta Rugani de Cravero

INTRODUCTION The Moyers' probability tables are used in mixed dentition analysis to estimate the extent of space required for the alignment of canines and premolars, by correlating the mesiodistal size of lower incisors with the size of permanent canines and premolars. OBJECTIVE This study intended to evaluate the applicability of the Moyer's probability tables for predicting the mesiodistal ...

Journal: :The journal of contemporary dental practice 2011
Vaishali Parekh Nimisha Shah Hardik Joshi

BACKGROUND AND OBJECTIVES The aim of this study was to compare internal anatomy between first and second mandibular premolars and to study different percentage variations of root canal morphology of mandibular premolars in Gujarat population based on Vertucci's classification by clearing technique. METHODOLOGY A total of 80 extracted intact permanent mandibular premolars (40 each mandibular f...

Journal: :Endodontics & dental traumatology 1999
A J Chaparro J J Segura E Guerrero A Jiménez-Rubio C Murillo J J Feito

A study of 150 extracted maxillary first premolars from citizens of Seville, Andalusía, southern Spain, revealed 60 teeth with one root (40.0%), 85 teeth with two roots (56.7%) and five teeth with three roots (3.3%). The distribution of root canal shapes in the sample showed that all teeth with two or three roots had type I root canals (each canal had one apical foramen). Conversely, most of th...

2015
A. Ayer M. Vikram P. Suwal

Dens evaginatus is an uncommon developmental anomaly of human dentition characterized by the presence of tubercle on the occlusal surface of mandibular premolars and lingual surface of anterior teeth. Due to occlusal trauma this tubercle tends to fracture thus exposing the pathway to the pulp chamber of teeth. This case report is about the presentation of dens evaginatus in mandibular premolars...

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