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2004 Fiscal Year Final Research Report Summary

Tissue remodeling around implants which were placed in distracted alveolar bone

Research Project

Project/Area Number 15592044
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 補綴理工系歯学
Research InstitutionThe University of Tokyo

Principal Investigator

TOMIZUKA Ken  The University of Tokyo, Faculty of Medicine, Lecturer, 医学部附属病院, 講師 (80251297)

Co-Investigator(Kenkyū-buntansha) TAKATO Tsuyoshi  The University of Tokyo, Faculty of Medicine, Professor, 医学部附属病院, 教授 (90171454)
MORI Yoshiyuki  The University of Tokyo, Faculty of Medicine, Lecturer, 医学部附属病院, 講師 (70251296)
Project Period (FY) 2003 – 2004
Keywordsdistraction osteogenesis / dental implant / excessive occlusal load
Research Abstract

This is a morphlogical study of tissue remodeling aroud dental implants that were placed in distracted mandible. Three months after extraction of premolars of mandible, horizontal distraction of the alveolar ridge in dogs was performed. Alveo-Wider【○!R】 (Okada Medical Supply Co.Ltd.) was used as distracting apparatus. After completin of distraction, dental implants (Replace Select【○!R】, 3.5mm diameter, 10mm length, Nobel Biocare) were placed into the distracted areas. Three months after placement of implants, abutments and crowns were placed. Some implants were under excessive occlusal load. Implants with surrounding tissue were dissected and undecalcified sections were prepared. The sections were stained with toluidine blue and obsereved under light microscopy. Histologically, all of the implants in horizontally distracted alveolar ridges acquired osseointegration. Mobility was not detected by Periotest【○!R】.

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Published: 2006-07-11  

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