Evaluation of the implantation position of mini-screws for orthodontic treatment in the maxillary molar area by a micro CT
スポンサーリンク
概要
- 論文の詳細を見る
The interalveolar septum between the upper first molar and the second premolar of the separated human maxillary bone was three-dimensionally observed by micro CT to evaluate the appropriate mini-screw type implant placement position by considering the relationship between the tooth roots and the maxillary sinus. After taking micro CTs of 5 human maxillary bones, horizontally sectioned images of the interalveolar septum area 2, 4, 6, 8, 10, and 12mm deep from the crest of the alveolar ridge were reconstructed by three-dimensional reconstruction software. The bucco-lingual and mesio-distal lengths and area in each sectioned interalveolar septum were measured using digital image measurement software. Using the results, the interalveolar septum area between the upper first molar and the second premolar approximately 6-8mm deep from the alveolar crest in the tooth root apical direction was determined to be the safest position for mini-screw implantation. Furthermore, lateral implantation from the palatal side was deduced to be the safest approach.
- 東京歯科大学の論文
著者
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YAMAGUCHI Hideharu
Department of Orthodontics, 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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Nojima Kunihiko
Department of Orthodontics, Tokyo Dental College
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Takaki Takashi
Tokyo Dental Coll. Chiba Jpn
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Nishii Yasushi
Department Of Orthodontics Tokyo Dental College
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Nojima Kunihiko
Department Of Orthodontics Tokyo Dental College
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Ishii T
Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo
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ISHII TAKENOBU
Department of Orthodontics, Tokyo Dental College
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TAKAKI TAKASHI
First Department of Oral and Maxillofacial Surgery, Tokyo Dental College
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Ishii Takenobu
Department Of Orthodontics 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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Nojima K
Department of Orthodontics, Tokyo Dental College
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Nishii Y
Department of Orthodontics, Tokyo Dental College
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Takaki T
First Department of Oral and Maxillofacial Surgery, Tokyo Dental College
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