Evaluation of staining and color changes of a resin infiltration system

To analyze the staining and color changes of a resin infiltrant system used for management of white spot lesions (WSLs). Materials and Methods: WSLs were artificially created on left buccal halves of 48 extracted human teeth. These sites were then treated with resin infiltration (RI) while the right halves of the teeth remained as nonresin (NRI) areas. Six groups were formed (n ¼ 8 teeth/group) and were exposed to the following: red wine, coffee, orange juice, combined staining agents, accelerated aging, and distilled water for 1 week. The teeth were then polished with a prophy cup and polishing paste

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