Failure and complicationss in patientens treated with fixed prosthodontic restorations - E. Bajraktarova Valjakova, B. Kapusevska, A. Mijoska, V. Korunoska Stevkovska, N. Gigovski, S. Gaceva Cvetkovska, C. Bajraktarova Misevska. (Albanian Dental Society Congress “Managing Challenges in Dentistry, 2016)