introduction: permanent first molar is the most important unit in the chewing system. ear-ly loss of first molars can significantly reduce chewing efficiency, increase overbite, lead to premature eruption of the permanent second and third molars, and displacement of adjacent teeth. the purpose of this study was to determine the associated factors of permanent first molar caries in 7-9 years old...

Decisions of the General Committee are reported on proposals and requests in Reports 62 72 Permanent Nomenclature for Vascular Plants (NCVP), Report 23 Algae (NCA), 15 Fossils (NCFoss).

the goal of this research is to study the policy of democratization of culture and is trying to find out whether democratization of museums leads to democratization of art or its only result is accumulation of artistic behaviors. deploying pierre bourdieu’s theory who believes that “the love of art” is the result of cultural capital and utilizing surveys with the method of quantity evaluation a...

Introduction: Permanent first molar is the most important unit in the chewing system. Ear-ly loss of first molars can significantly reduce chewing efficiency, increase overbite, lead to premature eruption of the permanent second and third molars, and displacement of adjacent teeth. The purpose of this study was to determine the associated factors of permanent first molar caries in 7-9 years old...

BACKGROUND Current methods of female surgical sterilisation require incisional surgery, general anaesthesia and a prolonged recovery time. We studied the safety and effectiveness of Essure pbc, a minimally invasive, transcervically placed micro-insert that occludes the Fallopian tubes, resulting in permanent female contraception. Device under study: The Essure pbc implant is a dynamically expan...

background and aims. dental caries is one of the most prevalent chronic diseases in children and dmft index is the most important quantitative factor for measuring tooth health. the purpose of the present study was to determine prevalence and bilateral occurrence of first permanent molar caries in 12-year-old iranian students. materials and methods. this cross-sectional study was carried out on...

introduction: the aim of this cross-sectional study was to determine the prevalence and etiology of traumatic dental injuries (tdi) in school children of the northeast of iran. the type of involved teeth, the place of injury and treatment quality as well as the relationship between tdi and anatomic predisposing factors such as overjet and lip coverage were evaluated. methods and materials: a to...

the objective of this work is to analyze the effects of decrease in water subsidies (increase in the price of the water) on various economic sectors in order to promote the conservation of this resource based on the actual price of water. but over the past decades, various subsidizing methods hold the cost of water down. on the other hand, the indiscriminate use of these resources led the gover...