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Ridge alterations following immediate implant placement and the treatment of bone defects with Bio-Oss in an animal model.

Authors
 Kuo-Mei Hsu  ;  Byung-Ho Choi  ;  Seung-Mi Jeong  ;  Feng Xuan  ;  Han-Sung Kim  ;  Chang-Yong Ko 
Citation
 CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, Vol.14(5) : 690-695, 2012 
Journal Title
 CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH 
ISSN
 1523-0899 
Issue Date
2012
MeSH
Alveolar Bone Loss/diagnostic imaging ; Alveolar Bone Loss/etiology* ; Alveolar Ridge Augmentation/adverse effects* ; Alveolar Ridge Augmentation/methods ; Animals ; Bone Substitutes* ; Dental Implantation, Endosseous/adverse effects* ; Dental Implantation, Endosseous/methods ; Dogs ; Female ; Minerals* ; Time Factors ; Tooth Extraction/adverse effects ; Tooth Socket/surgery ; X-Ray Microtomography
Keywords
dental implants ; immediate implant placement ; osseointegration ; wound healing
Abstract
BACKGROUND: Conflicting data exist on the outcome of placing Bio-Oss® (Geitslich Pharm AG, Wolhausen, Switzerland) into extraction sockets. It is therefore relevant to study whether the incorporation of Bio-Oss into extraction sockets would influence bone healing outcome at the extraction sites. PurpOSE: The aim of this study was to assess peri-implant bone changes when implants were placed in fresh extraction sockets and the remaining defects were filled with Bio-Oss particles in a canine mandible model. MATERIALS AND METHODS: Six mongrel dogs were used in the study. In one jaw quadrant of each animal, the fourth mandibular premolars were extracted with an elevation of the mucoperiosteal flap; implants were then placed in the fresh extraction sockets and the remaining defects were filled with Bio-Oss particles. After 4 months of healing, micro-computed tomography at the implant sites was performed. Osseointegration was calculated as the percent of implant surface in contact with bone. Additionally, bone height was measured in the peri-implant bone. RESULTS: Average osseointegration was 28.5% (ranged between 14.8 and 34.2%). The mean crestal bone loss was 4.7 ± 2.1 mm on the buccal aspect, 0.4 ± 0.5 mm on the mesial aspect, 0.4 ± 0.3 mm on the distal aspect, and 0.3 ± 0.4 mm on the lingual aspect. CONCLUSION: The findings from this study demonstrated that the placement of implants and Bio-Oss® particles into fresh extraction sockets resulted in significant buccal bone loss with low osseointegration.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1708-8208.2010.00316.x/abstract
DOI
20977617
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Choi, Byung Ho(최병호)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/90027
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