Author/Authors :
Haghnegahdar ، Abdolaziz نويسنده Dept. of Oral &Maxillofacial Radiology, School of dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. , , Shahidi ، Shoaleh نويسنده Biomaterial Research Center, Dept. of Oral and Maxillofacial Radiology, School of Dentistry, Shiraz University of Medical Scienc-es, Shiraz, Iran. ,