Aim: The aim of this study was to assess color changes in teeth and two different composite resins under the influence of chlorhexidine (CHX) with and without anti-discoloration system (ADS).
Materials And Methods: A total of 20 extracted human premolar teeth for periodontal and orthodontic purposes were selected for the study. Further, a total of 40 composite specimens comprising 20 each nanoceramic and nanohybrid composite disks of size 10-mm diameter and 0.