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Effect of alendronate on healing of extraction sockets and healing around implants

Authors
 김지환 ; 문홍석 ; 박영범 ; 심준성 ; 정문규 ; 정한성 
Citation
 Oral Diseases, Vol.17(7) : 705~711, 2011 
Journal Title
 Oral Diseases 
ISSN
 1354-523X 
Issue Date
2011
Abstract
OBJECTIVES: The purpose of this study was to evaluate the effect of alendronates on healing of extraction sockets and healing around implants in the maxilla of rats. MATERIALS AND METHODS: Twenty-four Sprague-Dawley rats were used. The rats in bisphosphonate group were subcutaneously injected with alendronate (5.0 mg kg(--1)) three times a week for 4 weeks. Both sides of the maxillary first molars were extracted, and customized titanium implants (Ø1.5 × 2.0 mm) were placed immediately into one side. Rats were killed at 3, 7, 14, or 28 days following surgery. RESULTS: New bone formation in extraction sockets, bone area around the implant site, and bone-implant contact were not delayed in the bisphosphonate group. The tartrate-resistant acid phosphatase positive cell count did not differ between bisphosphonate and control groups; however, empty lacunae were observed significantly more in bisphosphonate group. The differences in empty lacunae were shown at different time points between the implant sites and extraction sites: at 7 days after extraction, and at 14 and 28 days after implantation. CONCLUSIONS: Alendronates seemed to decrease bone resorption but not to decrease bone formation. Empty lacunae were observed significantly more at later time points in implant sites compared to extraction sockets.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93835
DOI
10.1111/j.1601-0825.2011.01829.x
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Oral Biology
1. 연구논문 > 2. College of Dentistry > Dept. of Prosthodontics
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1111/j.1601-0825.2011.01829.x/abstract
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