Monkey pulpal response to composite resin restorations in cavities treated with various cleansing agents

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Abstract
Pulpal response to composite resin restorations placed in experimentally prepared cavities treated with various cavity cleansing and etching agents were studied in monkey [Cercopithecus aethiops] teeth. The use of etching agents and cleansers with a demineralizing potential enhanced the pulpal response to composite resin restorations. Bacterial proliferation on the cavity walls around the composite restorations may be a factor causing the harmful pulpal responses found. The protective effect of a Ca(OH)2-containing cavity lining material was confirmed.