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The influence of bone graft procedures on primary stability and bone change of implants placed in fresh extraction socketsThe influence of bone graft procedures on primary stability and bone change of implants placed in fresh extraction sockets

Other Titles
The influence of bone graft procedures on primary stability and bone change of implants placed in fresh extraction sockets
Authors
전상호박창주황숙현이윤기Cong Zhou장현석류재준
Issue Date
2018
Publisher
대한악안면성형재건외과학회
Keywords
Immediate implant; Bone graft; Primary stability; Peri-implant bone change
Citation
Maxillofacial Plastic Reconstructive Surgery, v.40, no.4, pp.1 - 6
Journal Title
Maxillofacial Plastic Reconstructive Surgery
Volume
40
Number
4
Start Page
1
End Page
6
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/79100
Abstract
Background: This study was to evaluate the effect of bone graft procedure on the primary stability of implants installed in fresh sockets and assess the vertical alteration of peri-implant bone radiographically. Methods: Twenty-three implants were inserted in 18 patients immediately after tooth extraction. The horizontal gap between the implant and bony walls of the extraction socket was grafted with xenografts. The implant stability before and after graft procedure was measured by Osstell Mentor as implant stability quotient before bone graft (ISQ bbg) and implant stability quotient after bone graft (ISQ abg). Peri-apical radiographs were taken to measure peri-implant bone change immediately after implant surgery and 12 months after implant placement. Data were analyzed by independent t test; the relationships between stability parameters (insertion torque value (ITV), ISQ abg, and ISQ bbg) and peri-implant bone changes were analyzed according to Pearson correlation coefficients. Results: The increase of ISQ in low primary stability group (LPSG) was 6.87 ± 3.62, which was significantly higher than the increase in high primary stability group (HPSG). A significant correlation between ITV and ISQ bbg (R = 0.606, P = 0.002) was found; however, age and peri-implant bone change were not found significantly related to implant stability parameters. It was presented that there were no significant peri-implant bone changes at 1 year after bone graft surgery. Conclusions: Bone graft procedure is beneficial for increasing the primary stability of immediately placed implants, especially when the ISQ of implants is below 65 and that bone grafts have some effects on peri-implant bone maintenance.
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