نتایج جستجو برای: bifurcated maxillary premolars
تعداد نتایج: 37722 فیلتر نتایج به سال:
Abstract Reports have shown that molars can be distalized successfully with virtually no orthodontic anchorage loss with an intraosseous anchorage, even with fully erupted second molars. The purpose of this study was evaluating the effects of mini-screws as skeletal anchorage for upper molar distalization. In this case series, three patients needing maxillary first molar distalization,...
Congenitally missing teeth (CMT) are among one of the commonly known dental anomalies. The most frequently missing teeth in the permanent dentition, excluding the third molars, are mandibular second premolars and maxillary lateral incisors. Exclusive agenesis of both maxillary canines is an extremely rare occurrence and only a few cases have been reported. Previous studies showed that the preva...
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 trichorhinophalangeal syndrome. five cases of non-syndromic multiple premolars of maxillary and mandibular arches in indian patients are presented here. this case series re...
INTRODUCTION The aim of this study was to compare the dentine removing efficacy of Gates-Glidden drills with hand files, ProTaper and OneShape single-instrument system using cone-beam computed tomography (CBCT). METHODS AND MATERIALS A total of 39 extracted bifurcated maxillary first premolars were divided into 3 groups (n=13) and were prepared using either Gates-Glidden drills and hand instr...
Three-Dimensional Evaluation of the Root Apex of Permanent Maxillary Premolars: A Multicentric Study
Aim: Modern endodontics has advanced radically in the recent years, and recently, it been focused on concept of mini-invasive treatments. This study aimed to evaluate sections root apices at 1 mm from radiographic apex using a high-resolution CBCT. Materials Methods: The current was performed three different dental centers. One hundred maxillary permanent premolars (50 first 50 s premolars) wer...
INTRODUCTION It is imperative that the endodontic surgeon be knowledgeable of the anatomic dimensions of the surgical site. If cone-beam computed tomography is not available because of location/cost, it is prudent for the clinician to consult a knowledge base for the surgical site. An understanding of the root thickness of maxillary premolars and molars at the preferred level for root resection...
Objectives. The aim of this study was to investigate the number of roots and root canals in the maxillary second premolar in a group of Jordanian population. Materials and Methods. A total of 217 patients, 100 female (46%) and 117 male (54%), received root canal treatment of maxillary second premolar from January 2012 to January 2014. The mean age of the patients was 32.7, ranging from 18 to 60...
PURPOSE This report involves the retrospective analysis of ITI implants placed and/or restored by a group of 7 clinicians located throughout the United States (5 periodontists and 2 prosthodontists). MATERIALS AND METHODS Six hundred seventy-five posterior single-tooth implants were restored in 471 patients (average time of loading 21.30 months, with a range of 1 to 78 months). Three hundred ...
The objective of this study was to determine the relative prevalence of caries in first and second premolars as well as maxillo-mandibulo-quadrant distribution of caries among the premolars. It was also aimed at comparing the patterns of caries distribution in first and second premolars with those of the first and second permanent molars based on previous studies. The treatment records of patie...
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