About the Authors

Angelina Pecheva Vlahova

Department of Prosthetic Dental Medicine, Faculty of Dental Medicine, Plovdiv, Bulgaria

Christo Kalchev Kissov

Department of Prosthetic Dental Medicine, Faculty of Dental Medicine, Plovdiv, Bulgaria

Elka Vakrilova Popova

Department of Periodontology and Oral Mucosa Diseases, Faculty of Dental Medicine, Plovdiv, Bulgaria

Georgi Rangelov Todorov

Department of Prosthetic Dental Medicine, Faculty of Dental Medicine, Plovdiv, Bulgaria

Corresponding Author

Email: a_vlahova@yahoo.com