『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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EID=219553EID:219553, Map:0, LastModified:2012年8月29日(水) 12:21:01, Operator:[大家 隆弘], Avail:TRUE, Censor:0, Owner:[田中 栄二], Read:継承, Write:継承, Delete:継承.
種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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カテゴリ (推奨):
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学究種別 (推奨):
組織 (推奨): 1.徳島大学.口腔科学教育部.口腔科学専攻.口腔健康科学講座.口腔顎顔面矯正学 (2004年4月1日〜) [継承]
2.口腔顎顔面矯正学 (2004年4月1日〜2015年3月31日) [継承]
3.徳島大学.病院.診療科.矯正歯科 (2003年10月1日〜) [継承]
4.総合診療歯科学 (2008年4月1日〜2015年3月31日) [継承]
著者 (必須): 1.森 博子 ([徳島大学.口腔科学教育部.口腔科学専攻.口腔健康科学講座.口腔顎顔面矯正学])
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[継承]
2.堀内 信也 ([徳島大学.病院.診療科.矯正歯科])
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[継承]
3. (英) Nishimura Satoshi (日) (読)
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[継承]
4. (英) Nikawa Hiroki (日) (読)
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[継承]
5. (英) Murayama Takeshi (日) (読)
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[継承]
6. (英) Ueda Kanji (日) (読)
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[継承]
7. (英) Ogawa Daiichi (日) (読)
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[継承]
8.黒田 晋吾
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[継承]
9.河野 文昭 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.臨床歯学系.総合診療歯科学]/[徳島大学.病院.中央診療施設等.総合歯科診療部])
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学籍番号 (推奨):
[継承]
10. (英) Naito Hisashi (日) (読)
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[継承]
11. (英) Tanaka Masao (日) (読)
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[継承]
12. (英) Koolstra Jan Harm (日) (読)
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[継承]
13.田中 栄二 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.臨床歯学系.口腔顎顔面矯正学])
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学籍番号 (推奨):
[継承]
題名 (必須): (英) Three-dimensional finite element analysis of cartilaginous tissues in human temporomandibular joint during prolonged clenching.  (日)    [継承]
副題 (任意):
要約 (任意): (英) OBJECTIVE: Bruxism, the parafunctional habit of nocturnal grinding of the teeth and clenching, is associated with the onset of joint degeneration. Especially prolonged clenching is suggested to cause functional overloading in the temporomandibular joint (TMJ). In this study, the distributions of stresses in the cartilaginous TMJ disc and articular cartilage, were analysed during prolonged clenching. The purpose of this study was to examine if joint degradation due to prolonged clenching can be attributed to changes in stress concentration in the cartilaginous tissues. DESIGN: Finite element model was developed on the basis of magnetic resonance images from a healthy volunteer. Condylar movements recorded during prolonged clenching were used as the loading condition for stress analysis. RESULTS: At the onset of clenching (time=0s), the highest von Mises stresses were located in the middle and posterior areas (6.18MPa) of the inferior disc surface facing the condylar cartilage. The largest magnitude of the minimum principal stress (-6.72MPa) was found in the condylar cartilage. The stress concentrations were relieved towards the superior disc surface facing the temporal cartilage. On the surfaces of the temporal cartilage, relatively lower stresses were found. After 5-min clenching, both stress values induced in the TMJ components were reduced to 50-80% of the stress values at the onset of clenching, although the concomitant strains increased slightly during this period. CONCLUSIONS: It is suggested that both the condylar and temporal cartilage layers along with the TMJ disc, play an important role in stress distribution and transmission during prolonged clenching due to tissue expansion. Furthermore, our study suggests that a development of stress concentrations in the TMJ during prolonged clenching and risk factors for the initiation of TMJ degeneration could not be confirmed.  (日)    [継承]
キーワード (推奨):
発行所 (推奨):
誌名 (必須): Archives of Oral Biology ([Elsevier])
(pISSN: 0003-9969, eISSN: 1879-1506)

ISSN (任意): 1879-1506
ISSN: 0003-9969 (pISSN: 0003-9969, eISSN: 1879-1506)
Title: Archives of oral biology
Title(ISO): Arch. Oral Biol.
Publisher: Elsevier Ltd.
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 55 [継承]
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(必須): 879 886 [継承]
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年月日 (必須): 西暦 2010年 11月 末日 (平成 22年 11月 末日) [継承]
URL (任意):
DOI (任意): 10.1016/j.archoralbio.2010.07.011    (→Scopusで検索) [継承]
PMID (任意): 20728866    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Affiliation: Department of Orthodontics and Dentofacial Orthopedics, The University of Tokushima Graduate School of Oral Sciences, Kuramoto-cho, Japan.  (日)    [継承]
2.(英) PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Hiroko Mori, Shinya Horiuchi, Satoshi Nishimura, Hiroki Nikawa, Takeshi Murayama, Kanji Ueda, Daiichi Ogawa, Shingo Kuroda, Fumiaki Kawano, Hisashi Naito, Masao Tanaka, Harm Jan Koolstra and Eiji Tanaka : Three-dimensional finite element analysis of cartilaginous tissues in human temporomandibular joint during prolonged clenching., Archives of Oral Biology, Vol.55, No.11, 879-886, 2010.
欧文冊子 ● Hiroko Mori, Shinya Horiuchi, Satoshi Nishimura, Hiroki Nikawa, Takeshi Murayama, Kanji Ueda, Daiichi Ogawa, Shingo Kuroda, Fumiaki Kawano, Hisashi Naito, Masao Tanaka, Harm Jan Koolstra and Eiji Tanaka : Three-dimensional finite element analysis of cartilaginous tissues in human temporomandibular joint during prolonged clenching., Archives of Oral Biology, Vol.55, No.11, 879-886, 2010.

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