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著作: [大川 敏永]/[安陪 晋]/[中野 雅德]/[岡 謙次]/堀川 恵理子/[河野 文昭]/Relationship between Frontal/Lateral Mandibular Translations and Masticatory Movement Based on Evaluation of Occlusal Surface Motion/[Journal of Oral Health and Biosciences]

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EID
343178
EOID
919879
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2018年8月15日(水) 11:54:24
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大川 敏永
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大川 敏永
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種別 必須 学術論文(審査論文)
言語 必須 英語
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審査 推奨
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著者 必須
  1. 大川 敏永([徳島大学.大学院医歯薬学研究部.歯学域.先端歯学教育研究プロジェクト]/[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])
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  2. 安陪 晋([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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  3. 中野 雅德
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  4. 岡 謙次([徳島大学.病院.中央診療施設等.総合歯科診療部])
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  5. (英) Horikawa Eriko / (日) 堀川 恵理子 / (読) ほりかわ えりこ
    役割 任意
    貢献度 任意
    学籍番号 推奨 ****
  6. 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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題名 必須

(英) Relationship between Frontal/Lateral Mandibular Translations and Masticatory Movement Based on Evaluation of Occlusal Surface Motion

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(英) <b>Objective:</b> This study aimed to clarify whether crown restorations with adjusted occlusal surfaces that were formed using frontal/lateral mandibular translations, functioned without interference during mastication.<br><b>Materials and Methods:</b> In 10 adult volunteers who had healthy normal dentition, frontal and lateral border movement was measured during unilateral mastication and free mastication, using an ultrasound digital mandibular measuring system (ARCUS digma2). Additionally, precise impressions of the upper and lower dental arch were taken, and dental casts were made. These casts were measured using a CAD/CAM scanning system (ARCTICA). For the fabrication of crown restorations, the functionally generated path technique (FGP technique) was used on the monitor for the lower first and second molar. The movement of the opposite teeth on the occlusal surface during frontal and lateral border movement, during unilateral mastication, and during free mastication was considered the functional occlusal surface. The data of the functional occlusal surface generated by frontal/lateral mandibular translations and that of each of the masticatory functional occlusal surfaces were superimposed using three-dimensional data evaluation software (GOM). The difference between these surfaces was evaluated to determine the interference area, maximum interference difference, and average interference difference.<br><b>Results:</b> Interference was present for all functional occlusal surfaces created by mastication as well as those determined by frontal/lateral mandibular translations. The average interference values, in order of free masticatory movement, habitual masticatory side, and non-habitual masticatory side, were as follows. Interference area: 167.5 ± 20.8 mm<sup>2</sup>, 121.9 ± 28.5 mm<sup>2</sup>, 144.6 ± 28.0 mm<sup>2</sup>; maximum interference distance: 345.0 ± 43.1 m, 189.0 ± 39.9 m, 309.0 ± 46.8 m; average interference distance: 130.0 ± 15.7 m, 64.0 ± 10.6 m, 130.0 ± 21.9 m. Statistically significant differences were found for the maximum interference distance and average interference distance (both p < 0.05).<br><b>Conclusions:</b> The functional occlusal surfaces for each form of mastication demonstrated interference with the functional surface of frontal/lateral mandibular translations. Thus, crown restorations of which the occlusal surfaces were adjusted and formed by frontal/lateral mandibular translations may interfere with mastication.

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誌名 必須 Journal of Oral Health and Biosciences([四国歯学会])
(pISSN: 2188-7888)
ISSN 任意 2188-7888
ISSN: 2188-7888 (pISSN: 2188-7888)
Title: Journal of Oral Health and Biosciences
 (医中誌Web (No Scopus information.)
必須 31
必須 1
必須 39 48
都市 任意
年月日 必須 2018年 7月 5日
URL 任意
DOI 任意 10.20738/johb.31.1_39    (→Scopusで検索)
PMID 任意
NAID 任意 130007402933
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