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[The activity of osteoclast in peri-implant tissues in Beagle dogs]
Zhong-hao Liu1, Wen-juan Zhou, Peng-jie Hao
1Department of Dental Implantation Centre, Yantai Stomatological Hospital, Yantai, Shandong Province, China.
Purpose:
To observe the quantity and activity of osteoclast in peri-implant tissues dynamically.
Methods:
An animal model of dental implants was established in 6 male Beagle dogs of 1-2 years old. Bone remodeling was tested at 3-, 7-,15-,30-,60- and 90-day after placement of implants. The mandibular bones were taken out and the morphological changes were observed under X-ray examination.Bone tissue samples underwent HE staining. The data were analyzed with SPSS13.0 software package.
Results:
The most prominent period of osteoclasts occurred at 7-day after placement of implants. After 7 days of implantation, the activity of osteoclast gradually decreased.
Conclusions:
The active stage for bone remodelling in peri-implant tissues during unloading period is about 7 days after implantation.
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