نتایج جستجو برای: first permanent molar
تعداد نتایج: 1516772 فیلتر نتایج به سال:
Ectopic eruption of the maxillary first permanent molar is an eruption disturbance. This article discusses current literature views on diagnosis, prevalence, aetiology and treatment of this disturbance. It is a relatively uncommon disturbance and its aetiology remains unclear. A combination of extraction of the maxillary second primary molar and cervical headgear treatment seems the treatment o...
Ectopic eruption is the abnormal eruption of a permanent tooth that often causes root resorption of an adjacent primary tooth which can be noted during routine dental radiographic evaluation. The mesial eruption of the permanent first molar may be a local eruption problem or may indicate developmental arch circumference deficiency requiring further consideration. Early treatment is mandatory to...
Delayed eruption or impaction of permanent teeth is one of the severe problems that can occur during the mixed dentition period. These conditions can occur in any permanent tooth, but the incidence of delayed eruption of the permanent first molars, especially maxillary permanent first molars, is very low. Johnsen found only one case of delayed emergence of a maxillary first molar as a result of...
Objective: The purpose of this study was to evaluate the relationship between different types of growth patterns, the buccolingual molar inclination and cortical bone thickness of the mandible. Materials and methods: The material consisted of total 30 cases within the age range of 18 to 25 years. They all demonstrated normal occlusion with a minimal dental discrepancy without any cross bite or ...
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