Histopathology study on pulp response to glass ionomers in human teeth.

OBJECTIVE: Evaluation of the pulpal response to a resin-modified glass ionomer, a conventional glass ionomer and calcium hydroxide. METHODS AND MATERIALS: Fifty-five deep Class V cavities were lined with Vivaglass Liner, Chembond Superior and Dycal. After seven, 30, and 60 days the teeth were extracted and a histological assessment was performed. RESULTS: There was no statistically significant difference in pulpal response among the three groups for the same time interval (P > 0.05). CONCLUSION: Light-cured glass ionomers have similar advantages to conventional glass ionomers.