Authors
D. Konstantinova
Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University, Varna, Bulgaria
A. Nenova-Nogalcheva
Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Medical University, Varna, Bulgaria
P. Pechalova
Department of Oral Surgery, Faculty of Dental Medicine, Medical University, Plovdiv, Bulgaria
