Periapical Status and Quality of Root canal Fillings and Coronal Restorations in Iranian Population.

Introduction: This cross-sectional survey determined the dental prevalence of apical periodontitis (AP) in selected Iranian population, and evaluated the influence of the quality of root canal treatment (RCT) and their coronal restorations (CR) on the periapical status.

Materials And Methods: A total of 1064 panoramic radiographies were evaluated by two observers during 2009. The quality of RCT i.