| Affiliation: | 1. Assistant Professor, Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey;2. Research Assistant, Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey;3. Research Assistant, Department of Geological Engineering, Division of Mineral-Petrography, Hacettepe University, Ankara, Turkey;4. Professor, Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey;5. Professor, Department of Pediatric Dentistry, Faculty of Dentistry, Hacettepe University, Ankara, Turkey |
