1. Department of Periodontology; Selcuk University; Konya; Turkey
2. Department of Operative Dentistry; Faculty of Dentistry; Yuzuncu Yil University; Van; Turkey
3. Laboratory of Biomaterials; Department of Odontostomatological Sciences; University of Bologna; Bologna; Italy
4. Department of Endodontics; Selcuk University; Konya; Turkey