Comparative study on the osseointegration of implants in dog mandibles according to the implant surface treatment
Yoon Wook-Jae, 김수관, 오지수, 유재식, 정경인, 임성철, 정미애,
소속 상세정보
( Yoon Wook-Jae ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
김수관 ( Kim Su-Gwan ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
오지수 ( Oh Ji-Su ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
유재식 ( You Jae-Seek ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
정경인 ( Jeong Kyung-In ) - Konyang University Hospital Section of Dentistry Department of Oral and Maxillofacial Surgery
임성철 ( Lim Seung-Cheoul ) - Chosun University School of Medicine Department of Pathology
정미애 ( Jeong Mi-Ae ) - Kangwon National University Department of Dental Hygiene
KMID : 0355620160420060345
Abstract
Objectives: This study compared the impact of implant surface treatment on the stability and osseointegration of implants in dog mandibles.
Materials and Methods: Six adult dogs received a total of 48 implants that were prepared using four different surface treatments; resorbable blast media (RBM), hydroxyapatite (HA), hydrothermal-treated HA, and sand blasting and acid etching (SLA). Implants were installed, and dogs were separated into 2- and 4-week groups. Implant stability was evaluated via Periotest M, Osstell Mentor, and removal torque analyzers. A histomorphometric analysis was also performed.
Results: The stability evaluation showed that all groups generally had satisfactory values. The histomorphometric evaluation via a light microscope revealed that the HA surface implant group had the highest ratio of new bone formation on the entire fixture. The hydrothermal-treated HA surface implant group showed a high ratio of bone-to-implant contact in the upper half of the implant area.
Conclusion: The hydrothermal-treated HA implant improved the bone-to-implant contact ratio on the upper fixture, which increased the implant stability.
키워드
Dental implants; Osseointegration
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