Background: The purpose of this study was to find out the prevalence of dental caries in patient with fixed dental prosthesis. In this cross-sectional
observation, 60 persons were selected from the Dept. of Prosthodontics, Faculty of Dentistry, BSMMU. 60 (Sixty) personsincluded according toselection
criteria. After written consent from the selectedpersons detecting caries using clinical and radiological examinatio.