1. Department of Toxicology-Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
2. Student Research Committee, Faculty of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran
3. Dentist, Sari, Mazandaran, Iran
4. Department of Endodontics, Dental Research Center, Faculty of Dentistry, Mazandaran University of Medical Sciences, Sari, Iran