Hassan Semyari1, Parviz Owlia2, Sareh Farhadi3* and Saeed Moghadami Tabrizi4
1Department of Periodontics, Faculty of Dentistry, Shahed University, Tehran, Iran.
2Department of Microbiology, Faculty of Medicine, Shahed University, Tehran, Iran.
3Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Shahed University, Tehran, Iran.
4Graduated in Dentistry, Department of Dentistry, Faculty of Dentistry, Shahed University, Tehran, Iran.
