Cuspal ridges of deciduous upper second molars in Japanese subjects.
نویسندگان
چکیده
منابع مشابه
Persistence of deciduous molars in subjects with agenesis of the second premolars.
The purpose of the present study was to investigate persistent primary second molars in a group of young people in their late twenties with agenesis of one or two second premolars. In 1982-83 it was decided, in connection with the orthodontic evaluation of 25 patients, to allow 35 primary molars (one or two in each patient) to remain in situ. All patients had mixed dentitions and agenesis of on...
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Orthodontic treatment of a complex case that involves retained deciduous mandibular second molars with missing permanent successors is challenging. Usually, congenitally missing teeth are manifested with other dental anomalies that further complicate orthodontic treatment, such as retained deciduous teeth, impactions, transpositions and peg-shaped lateral incisors. Even though the long term pro...
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Abstract Introduction: Third molars are the last teeth to grow and require more attention in the oral cavity because they can leave pathological effects. Considering the controversy clinical decisions about asymptomatic third molars, dentists’ lack of attention to over third molars developed during therapeutic recom-mendations for patients, and limited evidence about the effects of asympt...
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This study investigated 41 subjects, 13 male and 28 female, with agenesis of one or both lower second premolars, and with retained lower second primary molars. Intra-oral radiographs of 59 primary teeth were examined to judge the resorption of the mesial and distal roots, and were measured to record infra-occlusion of the primary teeth and tipping of the adjacent permanent teeth. The study comm...
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ژورنال
عنوان ژورنال: Journal of the Anthropological Society of Nippon
سال: 1990
ISSN: 0003-5505,1884-765X
DOI: 10.1537/ase1911.98.39