Application of xenograft for alveolar ridge preservation in posterior sites: a randomized controlled clinical trial
10.3760/cma.j.issn.1002-0098.2015.09.003
- VernacularTitle:异种材料行后牙牙槽嵴保存临床效果的随机对照研究
- Author:
Chi LEI
1
;
Hui WU
;
Ye LIN
;
Ping DI
;
Bo CHEN
;
Xiulian HU
Author Information
1. 100081,北京大学口腔医学院·口腔医院口腔种植中心
- Keywords:
Alveolar ridge augmentation;
Alveolar process;
Dental implantation
- From:
Chinese Journal of Stomatology
2015;50(9):522-526
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the effect of ridge preservation with Bio-Oss Collagen and Bio-Gide in posterior sites.Methods From May 2010 to July 2013,16 patients with bilateral posterior teeth planned to be extracted and replaced by implants were enrolled.One of the sockets was randomly selected and presserved with Bio-Oss Collagen and Bio-Gide (intervention group).The contralateral socket was left to heal spontaneously (control group).Cone-beam(CBCT) scans were performed immediately after the extraction and 6 month later.The bone cores were collected during the implant placement surgery and analyzed by micro-computed tomography.Results After 6 month healing,the vertical and horizontal dimensional alteration of the treatment group were (0.55±1.05) mm and (-0.99±0.94) mm respectively,while the vertical and horizontal change of control group were (-0.71 ± 1.41) mm and (-2.26 ± 1.29) mm respectively.The micro-computed tomography results showed that there was no significant difference in new bone volume between control and intervention groups.Conclusions Applying Bio-Oss Collagen and Bio-Gide for ridge preservation in posterior sites resulted in less vertical and horizontal bone resorption of sockets following extraction.
