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[Quantitative analysis on guided bone regeneration-membrane technique with Bio-Oss in dental implantation]
Guo-shi Wang1, Shao-wei Li, Lu Cai
1Department of Stomatology, Jingan District Central Hospital/Huashan Hospital, Fudan University, Jingan Branch, Shanghai 200040, China. wangguoshi@yahoo.com.cn
Purpose:
To measure the absorbed quantity of Bio-Oss by using dental CT scanning and measuring the variety of the volume of Bio-Oss.
Methods:
Nine patients were preformed stage I surgery of dental implants and guided bone regeneration-membrane technique (GBR) simultaneously. These patients were scanned by dental CT at the end of 1-week, 3-month and 6-month after operation, respectively. The measurements of the varied volume of Bio-Oss with dental CT scanning were conducted. Finally the remaining quantity of Bio-Oss in the patients' jaw bone was obtained.
Results:
The results suggested that the remaining quantity of Bio-Oss was 32.72% ±18.35% at the end of 3-month post operatively and 15.75% ±16.73% at the end of 6-month postoperatively.
Conclusions:
It is concluded that there is a decrease in the remaining quantity of Bio-Oss in GBR along with the increase of time. As a kind of osteoconductive material, Bio-Oss can be absorbed and replaced by newly formed bone. Using dental CT scanning to measure the volume of Bio-Oss in man is predictable.
