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Effects of combined fixed functional appliances and skeletal anchorage in use on true mandibular growth in rats

Research Project

Project/Area Number 21592609
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Orthodontic/Pediatric dentistry
Research InstitutionAsahi University (2010-2011)
Kagoshima University (2009)

Principal Investigator

TAIRA Koji  朝日大学, 歯学部, 助教 (60535722)

Co-Investigator(Kenkyū-buntansha) MIYAWAKI Shoichi  鹿児島大学, 大学院・医歯学総合研究科, 教授 (80295807)
KITAI Noriyuki  朝日大学, 歯学部, 教授 (20271025)
福永 智広  鹿児島大学, 大学院・医歯学総合研究科, 講師 (70362994)
飯野 祥一朗  鹿児島大学, 大学院・医歯学総合研究科, 客員研究員 (10295256)
吉田 礼子  鹿児島大学, 医学部・歯学部附属病院, 助教 (60244258)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords歯科矯正学 / 下顎骨 / 機能的矯正装置 / スケレタルアンカレッジ / ラット / 免疫染色 / 成長促進
Research Abstract

The aim of the present study was to investigate the effects of enhancement on mandibular growth during forward mandibular positioning simultaneous with prevention of flaring of mandibular incisors at the end of the growth period in rats. Twenty-one 56 days old male rats were randomly divided into two experimental groups(n=7) and one control(n=7). Computed tomography images were taken immediately before experimental(T0) and at 2(T2), 4(T4), 6(T6), 8(T8), 10(T10), 12(T12), 14(T14), 16(T16) weeks after the appliances were fitted. The mandibular length, ramus height and axial inclination of mandibular incisor were measured, and then those values were compared among the 3 groups. In this article, mandibular growth was accelerated effectively at end the growth period in rats by mandibular advancement with a fixed functional appliance combined with prohibition of labial movement of the lower incisor.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (6 results)

All 2010 2009

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (1 results)

  • [Journal Article] Clinical significance of magnetization transfer contrast imaging for edematous changes in masticatory muscle.2010

    • Author(s)
      Nagayama K, Suenaga S, Nagata J, Takada H, Majima HJ, Miyawaki S.
    • Journal Title

      J Comput Assist Tomogr

      Volume: 34 Pages: 233-41

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Skeletal Class III and open bite treated with bilateral sagittal split osteotomy and molar intrusion using titanium screws.2010

    • Author(s)
      Togawa R, lino S, Miyawaki S.
    • Journal Title

      Angle Orthod.

      Volume: 80 Pages: 1176-84

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 非抜歯にて矯正歯科治療を行った下顎three incisors症例2010

    • Author(s)
      向井陽祐, 木崎純生, 川崎馨嗣, 川端淳司, 北井則行
    • Journal Title

      岐阜歯科学会雑誌

      Volume: 37 Pages: 74-80

    • NAID

      110007604938

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of Mnadibular Advancement plus Prohibition of Lower Incisor Movement on Mandibular Growth in Rats2009

    • Author(s)
      平良幸治
    • Journal Title

      The Angle orthodontist 79

      Pages: 1095-1101

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pain intensity during the first 7 days following the application of light and heavy continuous forces2009

    • Author(s)
      小椋幹記
    • Journal Title

      Eur J Orthod 31(3)

      Pages: 314-9

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] 歯科医師と模擬患者の相互理解に関する研究2010

    • Author(s)
      吉田礼子、窪田健司、宮脇正一
    • Organizer
      第69回日本矯正歯科学会学術大会
    • Place of Presentation
      横浜
    • Related Report
      2010 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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