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[An experimental study on alveolar ridge preservation prior to dental implant placement]
Bin Shi1, Yi Zhou, Yi-ning Wang
1Key Laboratory of Oral Biomedical Engineering of Ministry of Education, School of Stomatology, Wuhan University, Wuhan 430079, China.
Objective:
To evaluate the combination of surgical grade calcium sulfate hemihydrate (SGCS) and platelet-rich plasma (PRP) for alveolar ridge preservation prior to implant placement.
Methods:
Changes of bone quantity and quality in extraction sites following the SGCS/PRP and SGCS implantations were investigated by spiral computer tomography scan, bone scintigraphy, radiographic, histological and histomorphometric examinations.
Results:
The placement of SGCS/PRP reduced the resorption of the alveolar ridge. It also promoted bone metabolism and bone-to-implant contact. The addition of PRP to SGCS achieved the enhancement of the bone metabolism only at the early healing phase.
Conclusions:
In this animal experiment, SGCS/PRP may be used as fresh extraction sockets graft for alveolar ridge preservation prior to implant placement.
