歯科矯正用アンカースクリュー埋入時の安定性に関する生体力学的研究 1

Persistent ID (NDL): info:ndljp/pid/10200454

Material type: 博士論文

Author: 井上, 雅秀ほか

Publisher: 四国歯学会

Publication date: 2014-06-30

Material Format: Digital

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Name of awarding university/degree: 徳島大学,博士（歯学）

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Note (General)：: Objective: The purpose of this study was to evaluate the influence of placement angle and force direction on the primary stability of orthodontic mini...

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Material Type: 博士論文
ISSN: 0914-6091
Title: 歯科矯正用アンカースクリュー埋入時の安定性に関する生体力学的研究
Volume: 27 1
Author/Editor: 井上, 雅秀
黒田, 晋吾
田中, 栄二
Author Heading: 井上, 雅秀
黒田, 晋吾
田中, 栄二
Publication, Distribution, etc.: 四国歯学会
Publication Date: 2014-06-30
Publication Date (W3CDTF): 2014-06-30
Alternative Title: Stress analysis on surrounding bone of anchor screw during orthodontic force application
シカキョウセイヨウアンカースクリューマイニュウジノアンテイセイニカンスルセイタイリキガクテキケンキュウ
Periodical title: 四国歯学会雑誌
Degree grantor/type: 徳島大学
Date Granted: 2014-03-13
Date Granted (W3CDTF): 2014-03-13
Dissertation Number: 甲第2690号
Degree Type: 博士（歯学）
Conferring No. (Dissertation): 甲第2690号
Text Language Code: jpn
Subject Heading: アンカースクリュー
有限要素解析
傾斜埋入
Target Audience: 一般
Note (General): Objective: The purpose of this study was to evaluate the influence of placement angle and force direction on the primary stability of orthodontic miniscrews by analyzing a novel three-dimensional finite element model (FEM) approximating the real interface between the screw and surrounding bone.Materials and Methods: Three-dimensional finite element models were made with 6-mm-long miniscrews in diameters of 1.2mm. Four insertion angles ranging from 0° (perpendicular to the bone surface) to 45° were examined. A load with 2N was applied to the center of the screw head in four directions (upward, downward and on the right and left sides).Results: For miniscrews at the same insertion angle, the stress was the highest (or lowest) under the downward (or upward) force condition. The stress increased as the insertion angle decreased, except under the upward force condition. An analysis of the stress distribution in the surrounding bone showed that the most of the stress was absorbed in the cortical bone.Conclusions: The stress distribution around the miniscrew and surrounding bone during the application of orthodontic force is closely related to the force direction, and insertion angle.
Persistent ID (NDL): info:ndljp/pid/10200454
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Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
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Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2016-10-01T18:16:16+09:00
Format (IMT): application/pdf
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Periodical Title (URI): http://repo.lib.tokushima-u.ac.jp/106077
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