By Ismail Davut Capar, DDS, PhD,* Hakan Arslan, DDS, PhD,† Merve Akcay, DDS, PhD,‡ and Huseyin Ertas, DDS, PhD*
From the*Department of Endodontics, Faculty of Dentistry, _Izmir Katip C¸ elebi University, _Izmir, Turkey; †Department of Endodontics, Faculty of Dentistry, Atat€urk University, Erzurum, Turkey; and ‡Department of Pedodontics, Faculty of Dentistry, _Izmir Katip C¸ elebi University, _Izmir, Turkey.
Address requests for reprints to Dr Ismail Davut Capar, Department of Endodontics, Faculty of Dentistry, _Izmir Katip C¸ elebi University, _Izmir, 35620, Turkey. E-mail address: capardt@hotmail.com