1. Department of Periodontology Faculty of Dentistry Abant İzzet Baysal University Bolu Turkey
2. Department of Periodontology Faculty of Dentistry Ondokuz Mayıs University Samsun Turkey
3. Department of Periodontology Faculty of Dentistry Eskişehir Osmangazi University Eskişehir Turkey
4. Department of Histology and Embriology Faculty of Medicine Ondokuz Mayıs University Samsun Turkey
5. Department of Periodontology Faculty of Dentistry İstanbul Okan University İstanbul Turkey