Iranian Dental Association Journal of Iranian Dental Association 3060-8201 17 5 2005 08 01 Antibiotic prescription among Yazd dental practitioners in the year of 2004 23 29 EN Mehdi Tabrizizadeh Tara Alidjani Journal Article 2007 05 08 2013 02 25 Antibiotic prescription among Yazd dental practitioners in the year of 2004 Dr. M. Tabrizizadeh* - Dr. T. Alidjani** * - Assistant Professor of Endodontics Dept. - Faculty of Dentistry - Yazd University of Medical Sciences. **- Dentist. Background and Aim: Improper use of antibiotics may result in various economical and hygi-enic complications. The aim of the present study was to investigate antibiotic prescription by dental practitioners in Yazd. Materials and Methods: In order to conduct this descriptive cross-sectional study, a question-naire concerning types and cases of antibiotic therapy was distributed among 73 dentists in Yazd. Results: According to the findings 60.6% of dentists prescribed penicilline V as their primary selected drug for endodontic infections. In allergic cases to penicilline, erythromycin was ad-ministered in 70.49% of cases. Loading dose was used by 45.46% of dentists and the duration of antibiotic therapy was estimated one week in 80% of cases. Dentists prescribed antibiotics in cases of irreversible pulpitis (13.8%), necrotic pulps without pain and swelling (21.53%) and sinus tract (47.69%). Conclusion: Higher training level of dentists, for more proper and logical administration of antibiotics during endodontic treatment is recommended. Key words: Antibiotic – Prescription – Dental practitioners.