الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
 |  | from | 81 |  |  |
| | | from | 81 | | |
Abstract
The aim of this study is clinical and radiographic evaluation of calcium sulfate and platelet - rich plasma(CS- PRP) as an osteionductive material used for right preservation after extraction of lower anterior teeth . Conclusion : from the results of the current study we concluded that CS- PRP is ridge preservation graft biomaterial by it’s ability to decrease loss in both ridge height and density after tooth extraction.