background and aims. the study was undertaken to assess the prevalence of taurodontism and related systemic conditions and gender differences in premolars and molars of patients attending shiraz faculty of dentistry. materials and methods. in this cross-sectional study, panoramic radiographs of 510 randomly selected patients were evaluated by a maxillofacial radiologist for the apically displac...

surgical removal of impacted third molars is amongst the most common surgical procedures performed by oral and maxillofacial surgeons. every year many articles are published in different journals regarding different aspects in such surgeries. it is necessary to translate such vast amounts of data into simple and easily comprehensible sentences for the students of dentistry and oral surgery. thi...

introduction: the exact measurement of the root canal length is of great importance in root canal therapy. although, determination of the root canal length through radiography is the most common method, recently electronic apex locators are being used to determine working length and decrease the number of radiographs. the purpose of this study was to compare the accuracy of an electronic apex l...

third molar eruption is an unpredictable event. occasionally, mandibular third molars undergo angular changes in young adults. this rotational drift is of unknown etiology, is not predictable and may facilitate the eruption or may make the impaction worse. a rare case is presented with severe rotational drift of a mesioangularly impacted mandibular third molar.

introduction: recent anti-inflammatory group of medications include the introduction of cyclooxygenase-ii inhibitors such as coxibs. these agents offer potentially significant advantages because of their realive lack of gastrointestinal irritation. the aim of this study was to evaluate the effect third molar surgery. methods and materials: this study was a double, randomized, cross over, clinic...

primary tooth impaction is a rare finding during the development of primary dentition. several factors contribute to the impaction of a deciduous tooth. this report describes the diagnosis and treatment of a 10-year-old boy who presented an impacted second primary mandibular molar. this tooth, located inferior to the second premolar together with an odontoma, was positioned superior to the prem...

objectives: it is not clear what type of pre-crimped crown is more successful in achieving greater marginal adaptation following re-crimping. this study aimed to assess the changes in the circumference of 3m espe and mib pre-crimped stainless steel crowns (sscs) for the primary maxillary and mandibular first and second molars following re-crimping. materials and methods: this was an in-vitro, e...