نتایج جستجو برای: premolars
تعداد نتایج: 3284 فیلتر نتایج به سال:
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...
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...
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...
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...
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...
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 ...
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...
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...
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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