MM-MTA for direct pulp capping: A histologic comparison with proroot MTA in rat molars

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Abstract

Aim: To compare the histomorphological response of rat dental pulps capped with MM-MTA and ProRoot MTA at 1, 2 and 4 weeks postoperatively. Materials and methods: Direct pulp capping with MM-MTA and ProRoot MTA, overlaid with light-cured composite resin, was performed on right and left maxillary first molars of 20 Wistar rats. Animals were killed at 1, 2 and 4 weeks postoperatively. Biopsy samples were stained and viewed by light microscopy to determine dentin bridge formation. Data were statistically evaluated with the Kruskal-Wallis test (p < 0.05). Results: Absence of dentin bridge formation at 1 week, partial dentin bridge formation at 2 weeks and complete dentin bridge formation at 4 weeks are observed with MM-MTA and ProRoot MTA. The results showed no statistically significant difference between both materials at 4 weeks. Conclusion: Both materials produced similar responses in the pulp when used for pulp capping in intact, caries-free molars of rats.

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Khalil, I. T., Sarkis, T., & Naaman, A. (2013). MM-MTA for direct pulp capping: A histologic comparison with proroot MTA in rat molars. Journal of Contemporary Dental Practice, 14(6), 1019–1023. https://doi.org/10.5005/jp-journals-10024-1443

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