Investigation of Discoloration of Anterior Teeth With Three Types of Substances Used in Endodontic Treatment.

OBJECTIVE

This study aims to investigate the discoloration of anterior teeth with three types of substances used in endodontic treatment.

MATERIALS AND

METHODS

In this laboratory study, 75 newly extracted human anterior (central and lateral) teeth with full roots were examined. This study utilized the following materials: AH26, MTA Base (Maruchi), a novel formulation containing nano-zinc particles, and a second novel formulation containing both nano-zinc and nano-copper particles. The teeth in the first three groups were dried with paper points, and the canals were completely sealed using the sealer lateral filling technique with gutta-percha. Then the color of the samples was measured by a spectrophotometer at four times: initially, immediately after filling (0), 14 days, and 28 days later.

RESULTS

The results showed that the mean color change (∆E) at all times (immediately, 14 days later, and 28 days later) was statistically significant between all groups (p < 0.05). The degree of color change decreased in the following order: AH26 > Zn-nano > Zn.Cu-nano > novel nano-zinc/copper material > MTA Base (Maruchi) > control group.

CONCLUSION

The results of the present study showed that sealers with a zinc base (Zn-nano and Zn.Cu-nanoparticles) had an appropriate color change. Therefore, they can be used alongside other sealers available in the market.