B Ciftci1, T Develi2, S Münevveroglu3, M Ekinci4. 1. Department of Anesthesiology, School of Medicine, Istanbul Medipol University, Estambul, Turkey. Electronic address: bciftci@medipol.edu.tr. 2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul Medipol University, Estambul, Turkey. 3. Faculty of Dentistry, Istanbul Medipol University, Estambul, Turkey. 4. Department of Anesthesiology, School of Medicine, Istanbul Medipol University, Estambul, Turkey.