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Laser Effect on Hard Tissue Formation

Research Project

Project/Area Number 04671253
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 小児・社会系歯学
Research InstitutionTohoku University

Principal Investigator

YAMADA Keiko  Tohoku Univ. School of Dent., Assistant Professor, 歯学部・附属病院, 講師 (60125680)

Co-Investigator(Kenkyū-buntansha) SAITO Touru  Tohoku Univ. School of Dent., Clinical Assistant, 歯学部, 助手 (90225722)
KANOU Noriko  Tohoku Univ. School of Dent., Clinical Assistant, 歯学部, 助手 (10214496)
Project Period (FY) 1992 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1993: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1992: ¥1,600,000 (Direct Cost: ¥1,600,000)
KeywordsHe-Ne Laser / Osteoblastic Cells / Hard Tissue Formation / Cell Proliferation / Cell Morphology
Research Abstract

The purpose of the present study was to investigate the mineral formation effect of He-Ne laser on clonal osteoblastic cells (MC3T3-E1) when the cells were exposed to He-Ne laser with short duration time (3 min. or 5 min.) as cell growth was not enhanced.
The following results were obtained.
1. There was no difference in cell morphology observed under microscopy between irradiated cells and unirradiated cells.
2. Cell proliferation was not accelerated by He-Ne laser irradiation at the duration time of 3 minutes as well as 5 minutes.
3. Amount of calcium accumulated in MC3T3-E1 cell culture was increased by He-Ne laser irradiation compared with control.

Report

(3 results)
  • 1993 Annual Research Report   Final Research Report Summary
  • 1992 Annual Research Report
  • Research Products

    (4 results)

All Other

All Publications (4 results)

  • [Publications] KEIKO YAMADA: "He-Ne Laser Effect on Hard Tissue Formation in Osteoblastic Cells" 日本レーザー歯学会誌. 5(未定). (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] KEIKO YAMADA, CHIKA OGINO, KANO SAIJO AND KIKUO KAMIYAMA: "He-Ne Laser Effect on Hard Tissue Formation in Osteoblastic Cells" J.Japanese Society for Laser Dentistry. 5. (in print) (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] KEIKO YAMADA: "He-Ne Laser Effect on Hard Tissue Formation in Osteoblastic Cells" 日本レーザー歯学会誌. 5(未定). (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 山田 恵子: "He-Neレーザーの骨芽細胞における硬組織促進効果の機序について" 日本レーザー歯学会誌. 4. (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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