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The effect to masticatory development by mandibular movement and blood flow

Research Project

Project/Area Number 07838026
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section時限
Research Field 咀嚼
Research InstitutionKyushu University

Principal Investigator

HAYASAKI Haruaki (1996)  Kyushu University Faculty of Dentistry, Research Associate, 歯学部, 助手 (60238095)

山崎 要一 (1995)  九州大学, 歯学部, 助手 (30200645)

Co-Investigator(Kenkyū-buntansha) 早崎 治明  九州大学, 歯学部, 助手 (60238095)
Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1996: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1995: ¥1,900,000 (Direct Cost: ¥1,900,000)
KeywordsMandibular movement / Masticatory function / Occlusion / children / Motion simulation / Muscle tension / Muscle function / Occlusal contact / 血流量 / 咬合接触 / 咬合力
Research Abstract

The research summary was as follows ;
(1) With use of a Selspot system, the protrusive and lateral excursions of nine children with the primary dentition and nine adults with the permanent dentition were measured and compared. It was found that the excursions of the primary dentition can move more horizontally and more forward with small descent compared with the permanent dentition. The underlying reason for these findings may be physiological growth, maturation, and adaptation of the occlusal function.
(2) The aim of this study was to estimate dynamic characteristics of passive and active muscle tensions, tensions in the oblique ligament of the TMJ and condylar forces during simulated midline jaw opening and closing in children. The simplified active tension curve for each muscle was modeled by a trigonometric function Y=A^<**>sin (2pi^<**> B^<**> (t-C) 2), in which A represented the EMG amplitude, B the cycle duration, and C the onset time. Midline jaw opening and closing (maximum int … More erincisal distance 10mm, cycle duration 0.8s), were simulated according to jaw motion data from the same child. During the opening phase, tensions of 3N in the digastric muscle and 7N in the inferior head of lateral pterygoid muscle were necessary to open the jaw 10mm. In all mandibular elevator muscles during the closing phase, passive tensionsless than 3N occurred at the beginning of closing phase. There was no tension in the oblique ligament during function. The condylar force increased up to 7N at the end of jaw opening, decreasing to about 1N during jaw closing.
(3) The purpose of this study was to exactly estimate the volume changes of the proper oral cavity before and after treatment for Angle's Class II malocclusion using a bionator. The cephalometric analyzes revealed a decrease in the ANB angle, an increase in the SNP angle, a lingual inclination of the maxillary central incisor and a labial inclination of the mandibular central incisor after treatment. The dimensional analyzes of the study models showed that the inter-molar width increased while, in contrast, both the overbiteand overjet decreased. The volume of the proper oral cavity was measured by the non-contact three-dimensional measuring system. Both the maxillary part and the mandibular part of the proper oral cavity as well as the total volume of that increased by 20% after treatment. Less

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (31 results)

All Other

All Publications (31 results)

  • [Publications] 西嶋憲博、早崎治明 山崎要一、中田稔: "小児の顆頭部三次元動能に関する研究" 小児歯科学雑誌. 33(5). 985-994 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 成瀬克子、山崎要一 中田稔: "側方滑走運動中の乳臼歯咬合小面の対向関係に関する研究" 小児歯科学雑誌. 33(5). 975-984 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Indiarti,I.S.,YAMASAKI,Y.,HAYASAKI,H.and NAKATA,M.: "The crown diameter and dentalarch size of primary dentition in Inclonesian Javanese children." Pediatric Dental Journal. 6(1). 9-17 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] HAYASAKI,H.,YAMASAKI,Y.and NAKATA,M.: "Characteristics of protrusion and lateral excursion of the mandible in children with primary dentition" Journal of Oral Rehabilitation. (in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] YAMASAKI,Y.,HAYASAKI,H,NISHIJIMA,N.,NAGATA,M.,et al: "The effect of biunator on the volume changes of the proper oral cavity in the treatment of ClassII malocclusion" Pediatric Dental Journal. (in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 早崎治明、中田志保 山崎要一、西嶋憲博ら: "下顎滑走運動面と咀嚼運動終末路の関連性に関する研究" 顎口膣機能学会雑誌. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 成瀬克子、山崎要一 中田稔: "側方滑走運動中の乳臼歯咬合小面の対向関係に関する研究-3次元解析システムの開発-" 小児歯科学雑誌. 33. 975-984 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 西嶋憲博、早崎治明 山崎要一、中田稔: "小児の顆頭部三次元動能に関する研究-下顎前方滑走運動時について-" 小児歯科学雑誌. 33. 985-994 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] YAMASAKI,Y.,NISHIJIMA,N.,MINEMATSU,K.,et al: "Brain and Oral Function-Oral motor function and dystunction-Three-dimensional analysis of condylar movement during mandibular movement in children" Elsevier Science,Amsterdam,Netherlands, 648(457〜461) (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 中田稔、早崎治明、山崎要一: "コンピュータ・シミュレーションの歯科への応用の現在と未来7.小児の咬合誘導におけるコンピュータ・シミュレーションの応用" クインテッセンス出版, 14(7)1695〜1702 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Nishijima, N., Hayasaki, H., Yamasaki, Y.and Nakata, M.: "A study of three-dimensionalcondylar movement in children -In the cases of protrusive mandibular excursions-" Jpn J Pediatric Dent.33(5). 985-994 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Naruse, K., Yamasaki, Y.and Nakata, M.: "Interocclusal relationship of the facets on primary molars during lateral excursions -The development of a three-dimensional analyzing system-" Jpn J Pediatric Dent.33(5). 975-984 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Ike Siti Indiarti, Youichi Yamasaki, Haruaki Hayasaki and Minoru Nakata: "The crown diameter and dental arch size of primary dentition in Indonesian Javanese children" Pediatric Dental Journal. 6(1). 9-17 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Haruaki Hayasaki, Youichi Yamasaki, Norihiro Nishijima, Katsuko Naruse and Minoru Nakata: "Characteristics of protrusion and lateral excursion of the mandible in children with primary dentition" Journal of Oral Rehabilitation. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Youichi Yamasaki, Haruaki Hayasaki, Norihiro Nishijima, Megumi Nagata and Minoru Nakata: "The effect of bionator to the volume change of the proper oral cavity in the treatment of Class II malocclusion" Pediatric Dental Journal. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Takako Fujise, Youichi Yamasaki, Heriandi Sutadi, Ismu Suwelo, Syahril Nurdin, Retno Sugiarto, Titi Pratiwi, Tetsuro Ogata, Shinichiro Kashiwagi, Ryuzo Kanomi, Yukimune Yasunaga, Ike Siti Indiarti, Kiyohito Minematsu, Yuko Nakamura and Minoru Nakata: "The development of occlusal contact on the dental arch in growing Indonesian Javanese and Japanese children with normal dentition" Pediatric Dental Journal. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Megumi Nagata, Youichi Yamasaki, Kiyohito Minematu, Takako Fujise, Haruaki Hayasaki, Minoru Nakata, Syouzaburo Toyoshima, Tadashi Ogura, Noboru Uchimura, Masanao Dohi, Morito Akasaka, Hiroyuki Karibe, Kiyokazu Ogata, Susumu Kikuchi, Midori Nakashima and Hiroo Miyazawa: "A study of the effect of the eruption of the first permanent molar to occlusion, occlusal contact area and occlusal force -1- The analysis of the first examination" Jpn J Pediatric Dent.(in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Hayasaki, H., Nakata, S., Yamasaki, Y., Nishijima, N., Okamoto, A.and Nakata, M.: "Investigation of the relationship between the curved mash diagram of mandibular excursion and the occlusal phase of mastication" J Jpn.Soc.Stomatognathic Function. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Youichi Yamasaki, Norihiro Nishijima, Kiyohito Minematsu, Mitsuharu Ishii and Minoru Nakata: Brain and oral functions - Oral motor function and dysfunction -, Three-dimensional analysis of condylar movement during mandibular movement in children. Elsevier Science, Amsterdam, 457-461 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 西嶋憲博,早崎治明,山崎要一,中田稔: "小児の顆頭部三次元動態に関する研究" 小児歯科学雑誌. 33(5). 985-994 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 成瀬克子,山崎要一,中田稔: "側方滑走運動中の乳臼歯咬合小面の対向関係に関する研究" 小児歯科学雑誌. 33(5). 975-984 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] Indiarti,I.S.,YAMASAKI,Y.HAYASAKI,H.and NAKATA,M.: "The crown diameter and dental arch size os primary clentition in Indenesian Javanese children." Pediatric Dental Journal. 6(1). 9-17 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] HAYASAKI,H.,YAMASAKI,Y.and NAKATA,M.: "Characteristics of protrusion and lateral excursion fo the mandible in children with primmry dentition" Journal of Oral Rehabilitation. (in press).

    • Related Report
      1996 Annual Research Report
  • [Publications] YAMASAKI,Y.,HAYASAKI,H.NISHIJIMA,N.NAGATA,M.et,al: "The effect of biunator on the volume changes of the proper oral cavity in the treamtent of classII malocclusion" Pediatric Pentul Journul. (in press).

    • Related Report
      1996 Annual Research Report
  • [Publications] 早崎治明,中田志保,山崎要一,西崎憲博ら: "下顎滑走運動面と咀嚼運動終末路の関連性に関する研究" 顎口腔機能学会雑誌. (印刷中).

    • Related Report
      1996 Annual Research Report
  • [Publications] YAMASAKI,Y.,NISHIJIMA,N.,MINEMATSU,K.,et,al.: "Brain and Oral Function-Oral motor function and dystunction-Three-dimensionulanalysis of condylar movement during mandibularmovenent in cbildren" Elsevier Science,Amsterdam,Netherlands, 648(457-461) (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 中田稔,早崎治明,山崎要一: "コンピュータ・シミュレーションの歯科への応用の現在と未来 7.小児の咬合誘導におけるコンピュータ・シミュレーションの応用" ワインテッセンス出版, 14(7)1695-1702 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 成瀬克子,山崎要一ら: "側方滑走運動中の乳臼歯咬合小面の対向関係に関する研究-3次元解析システムの開発-" 小児歯科学雑誌. 33 (5). 975-984 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 西嶋憲博,早崎治明,山崎要一ら: "小児の下顎顆頭部三次元動態に関する研究" 小児歯科学雑誌. 33 (5). 985-994 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 中田稔、早崎治明,西嶋憲博,峰松清仁,山崎要一: "小児の咬合誘導におけるコンピュータ・シミュレーションの活用" ザ・クインテッセンス. 14 (7). 171-178 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] YAMASAKI, Y et al.: "Brain and Oral functions-Oral motor function and disfunction-, Three dimensiond analysis of condylon movement during mondibulor movement in children" Elsevier Lcience, Amsterdam Netherlands, 648 (457-461) (1995)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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