J Korean Assoc Oral Maxillofac Surg.
2016 Dec;42(6):345-351. 10.5125/jkaoms.2016.42.6.345.
Comparative study on the osseointegration of implants in dog mandibles according to the implant surface treatment
- Affiliations
-
- 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Korea. sgckim@chosun.ac.kr
- 2Department of Oral and Maxillofacial Surgery, Section of Dentistry, Konyang University Hospital, Daejeon, Korea.
- 3Department of Pathology, School of Medicine, Chosun University, Gwangju, Korea.
- 4Department of Dental Hygiene, Kangwon National University, Samcheok, Korea.
- KMID: 2364001
- DOI: http://doi.org/10.5125/jkaoms.2016.42.6.345
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.
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