Roza Haghgoo, Hasan Semyari, "Effectiveness of antimicrobial mouth rinse in prevention of periodental disease in school children", the 5th asian conference of oral health promotion for school children, 2009/09/10, Issue:

Hasan Semyari, Sayed Shojaedin Shayehg, "بررسي موفقيت ايمپلنت هاي استفاده شده در كلينيك شهيد منتظري در سالهاي 1382 تا 1385", پنجمين کنگره دندانپزشکي نيروهاي مسلح, 2009/09/30, Issue:

Parviz Owlia, Horieh Saderi, Hasan Semyari, Sara Farhadi, Saeed Moghaddam Tabrizi, "Evaluation of antimicrobial effect of Ammi visnaga against oral streptococci", کنگره ملي گياهان دارويي, 2012/05/16

Roza Haghgoo, Hasan Semyari, Farid Abbasi, "effectiveness of periodonal ligament in maxillary second molar pulpotomy ", ACBID 6rd international congress Antalia, 2012/04/30

Reza Hemmati, Noushin Jalayer Naderi, Hasan Semyari, "Comparison of clinical and mast cell count in gingival tissue of smokers and nonsmokers affected with chronic periodontitis  ", سومين همايش سراسرس انجمن اسيب شناسان دهان فک و صورت ايران, 2015/07/29

Mohammad Niakan, Zahra Sarabadani, Hasan Semyari, Zahra Soltani, "Antimicrobial and clinical effects  of ozonized water chlorhexidin amoxycillin-metronidazol on porphyromonas gingivalis   ", نوزدهمين کنگره بين الملي ميکروب شناسي, 2018/09/04