| Project/Area Number |
11672008
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Surgical dentistry
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| Research Institution | Tokyo Dental College |
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Principal Investigator |
SAITOU Chikara TOKYO DENTAL COLLEGE, DEPARTMENT OF DENTISTRY, ASSISTANT PROFESSOR, 歯学部, 助教授 (80103357)
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| Co-Investigator(Kenkyū-buntansha) |
HANAI Jyun-ichirou TOKYO DENTAL COLLEGE, DEPARTMENT OF DENTISTRY, ASSISTANT, 歯学部, 助手 (20307391)
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| Project Period (FY) |
1999 – 2001
|
| Project Status |
Completed (Fiscal Year 2001)
|
| Budget Amount *help |
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2001: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2000: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1999: ¥1,600,000 (Direct Cost: ¥1,600,000)
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| Keywords | implant / orthodontic / 持続的側方力 / 共焦点レーザー顕微鏡 / マイクロCT / 側方力 |
|---|
| Research Abstract |
The madibular third and foruth premolars of a dog were surgically extracted and Branemark System implants (diameter 3.75 mm, length 7 mm and 13mm) were installed in the edentulous mandibular areas after the healing period. Two months after implants were positioned, abutments were placed. One week later, a superstructure was placed and 100g and 300g orthodontic (continuous lateral) forces were applied between the second premolar and the implant. In order to keep the orthodontic force constant during the experimental period, the force levels were adjusted biweekly. After a force application period of 8 weeks, histpathological observations were carried out to evaluate the peri-implant osseous changes that occur during the loaded process. A bone remodeling process on both tension side pressure side of the bone tissue surrounding the implant which received continuous lateral force was observed.
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