[1] Kirikkale Univ, Dept Endodont, Fac Dent, Kirikkale, Turkey
[2] Ataturk Univ, Dept Endodont, Fac Dent, Erzurum, Turkey
[3] Saglik Bilimleri Univ, Dept Periodontol, Fac Dent, Istanbul, Turkey
[4] Ataturk Univ, Dept Periodontol, Fac Dent, Erzurum, Turkey
[5] Izmir Katip Celebi Univ, Dept Periodontol, Fac Dent, Izmir, Turkey