Document Type : Original Article
Authors
1 oral midicin ,Al-Azhar Dental school for Girls ,cairo
2 Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Faculty of Dental Medicine [Girl′s Branch] Al-Azhar University
3 Assistant Professor of Oral Medicine, Periodontology, Oral Diagnosis and Radiology Faculty of Dental Medicine [Girl′s Branch] Al-Azhar University
Abstract
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