Two cases with supernumerary teeth in lower incisor region
スポンサーリンク
概要
- 論文の詳細を見る
Abnormalities in number of teeth are occasionally noted in clinical cases. Many theories have been proposed as regards the causes of the occurrence of supernumerary teeth, including atavism theory, mechanical tooth germ separation theory, tissue induction theory, and dental laminar morphological disturbance theory. However, none of these theories alone offers a sufficient explanation for this phenomenon. The incidence of supernumerary permanent teeth is approximately 1-3%. These are the maxillary anterior teeth, the maxillary molars, and the maxillo-mandibular premolars in terms of descending order of site of occurrence. On the other hand, incidence in the mandibular anterior tooth area, of which there have been few detailed reports, is about 0.01%, a markedly low value. In this paper, we report two rare cases of supernumerary teeth in the mandibular incisor area. We discuss their etiology and orthodontic treatment, and detail a differential diagnosis between the normal and supernumerary teeth. We found that it was difficult to establish a clear etiology and differentiation between the normal and supernumerary teeth.
- 東京歯科大学の論文
著者
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Sakamoto Teruo
Department Of Orthodontics Tokyo Dental College
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Sakamoto T
Department Of Orthodontics Tokyo Dental College
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Sakamoto Teruo
Department Of Emergency And Critical Care Medicine Kurume University School Of Medicine
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Sueishi Kenji
Suidoubashi Hospital Tokyo Dental College
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Sueishi Kenji
東京歯科大学 歯科矯正学
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Sakamoto T
Department Of Communication Engineering Faculty Of Computer Science And System Engineering Okayama P
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YAKUSHIJI Masashi
Department of Pediatric Dentistry, Tokyo Dental College
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Kubo S
Department Of Chemistry Faculty Of Science And Technology Meijo University
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YAMAGUCHI Hideharu
Department of Orthodontics, Tokyo Dental College
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Yakushiji M
Department Of Obstetrics And Gynecology Kurume University School Of Medicine
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Yokose Taishi
Department of Orthodontics, Tokyo Dental College
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Sueishi Kenji
Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental College
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Yatabe Kenichi
Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental College
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Tsujino Keiichirou
Division of Pediatric Dentistry, Department of Clinical Oral Health Science, Tokyo Dental College
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Kubo Shuhei
Department of Pediatric Dentistry, Tokyo Dental College
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Yamaguchi H
Department Of Applied Biology Faculty Of Textile Science And Technology Shinshu University
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Yakushiji Masashi
Department Of Pediatnc Dentistry Tokyo Dental College
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Kubo Shuhei
Department Of Pediatric Dentistry Tokyo Dental College
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Tsuchiya Yoshiko
Department Of Orthodontics Tokyo Dental College
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Yatabe Kenichi
Division Of Orthodontics Department Of Clinical Oral Health Science Tokyo Dental College
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Tsujino Keiichirou
Division Of Pediatric Dentistry Department Of Clinical Oral Health Science Tokyo Dental College
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Yamaguchi H
Department Of Orthodontics Tokyo Dental College
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Yamaguchi Hideharu
Department Of Orthodontics Tokyo Dental College
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Yokose T
Department of Orthodontics, Tokyo Dental College
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Sueishi K
Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental College
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Yatabe K
Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental College
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Tsujino K
Division of Pediatric Dentistry, Department of Clinical Oral Health Science, Tokyo Dental College
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