Background: Knowledge about the anatomy of root canals is an important facror in the prognosis of  root canal  therapy .The purpose  of  this  study is to derermine  the root  canal anatomy in  mandibalar anterior  reeth and  premolars by clear and dye peneration method. Materials and methods:In this  study, 350 human mandibular anterior teeth and  mandibular  and  maxillary premolars(from e...

statement of the problem: the maintenance of viable periodontal ligament cells is the most important issue in the long-term preservation of avulsed teeth. purpose: the aim of this study was to assess aloe vera as a new storage media in maintaining the cell viability of dry-stored teeth in comparison with soy milk, hank`s balanced salt solution (hbss), and milk. materials and method: twenty one ...

Abstract Impaction of maxillary central incisors is not common. Treatment of an impacted central incisor is challenging as it relates to facial esthetics and dental function. Although impaction of permanent teeth is rarely diagnosed in mixed dentition period, an impacted central incisor is usually diagnosed when there is a delay in the eruption of tooth. Tooth impaction may result from...

The aim of this study was to establish teeth number anomalies in relation to gender, tooth type, location, distribution pattern and the association between frequently missing teeth among a group of dental patients in Turkey. A total of 378 non-syndromic patients (240 females and 138 males) with an age range of 7-45 (x +/- SD = 22.07 +/- 3.6) having evidence of absent or excess teeth were evalua...

I . Numbers of erupted primary teeth were counted in young children in four rural villages in The Gambia. The ages of all children were precisely known, and their heights and weights were measured. 2. The majority of children were recorded as having an even number of teeth. The number of primary teeth present in children of given age varied widely. Up to 18 months of age, the Gambian children l...

background and aims . a perfect endodontic treatment necessitates proper understanding of the morphology of canal and pulpal variations. this in vitro study was conducted to demonstrate the internal anatomy of mandibular canine teeth in an iranian population. materials and methods . the samples consisted of 100 extracted mandibular permanent canines. the roots of the teeth were molded in acryli...