introduction: traumatic injuries to the teeth are among the most serious dental accidents, with the anterior teeth being mostly affected. some consequences of dental trauma include misshaping, speech defects, psychological and social effects. the knowledge of the field can reduce the suffering, cost, and the time for patients, parents, and health care providers. the aim of this study was to inv...

background and aims. various methods are used to measure the size and form of the teeth, including the golden proportion, and the width-to-length ratio of central teeth, referred to as the golden standard. the aim of this study was to evaluate the occurrence of golden standard values and golden proportion in the anterior teeth. materials and methods. photographs of 100 dentistry students (50 ma...

introduction: mineral trioxide aggregate (mta) has been suggested as an effective material for apical barrier, forming an effective seal against bacterial leakage in teeth with open apices. mta needs moisture for setting; which can come from the apical region or a moist cotton pellet. this study was intended to compare bacterial leakage in one- and two-step mta apical barrier technique in open ...

introduction: complete knowledge of root canal curvature is a critical factor in successful dental treatment .the aim of this study was to investigate the direction, radius and degree of curvature of maxillary anterior teeth and the relation between radius and degree of curvature in babol city. methods &materials;: this study was performed on 242 anterior teeth radiographs were taken by periapi...

background and aims. anterior esthetic restoration is challenging in pediatric dentistry, due to limited durability and poor retention of the restoration.this study assessed the effect of air abrasion on tensile failure load of composite class iii restorations using different preparation techniques. materials and methods. 100 extracted human anterior primary teeth were divided, based on the pre...

 Abstract Introduction: Considering the importance of anterior teeth in chewing, speaking and esthetics, as well as the high prevalence of crown fracture among various traumatic injuries to the teeth, this study aimed to evaluate the etiology and risk factors associated with crown fractures of anterior teeth in 7-12 years old children. Materials and Methods:This descriptive cross-sectional ...

Introduction: In restorative dentistry, selecting the proper material is an important factor for clinical success. The objective of this study was clinical evaluation of survival time of three tooth color materials in primary anterior teeth. Methods: In this interventional clinical trial study, 94 deciduous anterior teeth (36 teeth in boys, 58 teeth in girls) belonging to 3-5 year old children ...