Normal 0 false false false EN-US X-NONE AR-SA Mesiodense have drawn attention of many researchers. According to the available data, there has not been any study on this issue in our country and due to racial variation in Iran, it is essential to evaluate the prevalence of mesiodense in our country. This article has evaluated this on 6-9 years stude...

Normal 0 false false false EN-US X-NONE AR-SA In general, there is a direct relationship between dental restorations and periodontal condition of the mouth. During tooth preparation, it should be considered that gingival tissues (specially biologic width) must be preserved. Incorrect tooth preparation and therefore incomplete impression results in ...

Normal 0 false false false EN-US X-NONE AR-SA During the recent century, the prevalence of dental caries has been changed widely. Therefore, following industrial revolution of Europe in 19th century and industrialization of European countries as well as population increase in the cities and changes in nutritional diets of people, dental caries prev...

Normal 0 false false false EN-US X-NONE AR-SA Since many Dental interventions are stressful for patients, using premedications specially for younger patients in order to decrease their stress and anxiety is recommended. Premedication can also lessen patients' fears and soothe both patient and practitioner. This will lead to a better treatment in a ...

Normal 0 false false false EN-US X-NONE AR-SA In present article, in order to evaluate the role of genetics in the etiology of lichen planus, 14 patients (6 with familial history of lichen planus and 8 without any history of the disease in family) were selected. HLA antigens (class 1, class 2, B, C) were analyzed by lymphocytotoxicity NIH two stage...

Normal 0 false false false EN-US X-NONE AR-SA Burning mouth syndrome is a painful oral disease without specific clinical symptoms. Explanation and definition of the disease depend on many factors and is characteristics to each patient.  3 types of this syndrome have been defined. Almost all oral disease specialists believe that burning mouth syndrom...

Normal 0 false false false EN-US X-NONE AR-SA As special microbial species are identified as etiologic factors for periodontal diseases and since conventional periodontal treatments could not eliminate these factors, Using Antimicrobial agents as alternatives to prevent  post operation  infections seems essential. In This study Phenytoin (Gel 10%) w...

Normal 0 false false false EN-US X-NONE AR-SA Mercury has been used in amalgam restorations for more than a century though it is poisonous and mercury vapor can endanger the health of patients and dental office staff. Therefore, they should be aware of its hazards and observe guidelines to prevent injury to nervous system, heart, kidneys, alimentar...

Normal 0 false false false EN-US X-NONE AR-SA Lever is a solid part that can turn on a fulcrum. There are three types of fulcrums. The efficacy of a lever system is measured by mechanical advantage. The first type of lever has the most and third type has the least mechanical advantage. The situation of muscles attachments and direction of forces on ...

Normal 0 false false false EN-US X-NONE AR-SA  Teeth and periodontal ligaments can resist more efficiently opposing vertical forces parallel to their axial axis in comparison to horizontal forces. Thus, in designing dental prostheses and preserving interocclusal relationships we should notice to eliminate horizontal forces on teeth. A partial prost...