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Synergistic effect of laser irradiation and remineralizing agents on surface microhardness of primary tooth enamel -An in-vitro study.

Created on 15 Apr 2025

Authors

Girish Babu Kl, Kavyashree Gururaj Hebbar, Geeta Maruti Doddamani

Published in

Lasers in medical science. Volume 40. Issue 1. Pages 193. Apr 15, 2025. Epub Apr 15, 2025.

Abstract

To evaluate the synergistic effect of erbium lasers irradiation and remineralizing agents on the surface microhardness of primary tooth enamel. A total of 380 primary molars were collected. Teeth were embedded in acrylic resin such that only their buccal surface were exposed. The baseline (A) surface microhardness (SMH) was measured and the teeth were allocated into 19 groups: Group-1-Positive control, Group-2-Negative control, Group-3-Er: YAG laser, Group-4- Er, Cr: YSGG laser, Group-5-Fluorovil®, Group-6-Fluor Protector® varnish, Group-7-MI Paste®, Group-8-MI Paste Plus®, Group-9-MI varnish®, Group-10-Er: YAG + Fluorovil®, Group-11-Er: YAG + Fluor Protector® varnish, Group-12-Er: YAG + MI Paste®, Group-13-Er: YAG + MI Paste Plus®, Group-14-Er: YAG + MI Varnish®, Group-15-Er, Cr: YSGG + Fluorovil®, Group-16-Er, Cr: YSGG + Fluor Protector® varnish, Group-17-Er, Cr: YSGG + MI Paste®, Group-18-Er, Cr: YSGG + MI Paste Plus® and Group-19-Er, Cr: YSGG + MI Varnish®. After the planned enamel surface treatments, SMH of enamel (B) was again measured. ment. The samples were then subjected to a demineralization-remineralization cycle, followed by the SMH measurement (C). The highest SMH after the demineralization-remineralization cycle (C) was recorded with the use of Er: YAG laser in combination with Fluor Protector® varnish (Group 11) (418.40 ± 4.17), while the lowest value was seen with the use of Er, Cr: YSGG laser alone (Group 4) (259 ± 15.53). The results indicate that irradiation with erbium lasers, followed by the application of remineralizing agents, has a synergistic effect in increasing enamel SMH. This suggests the potential use of such treatments as a preventive measure for dental caries.

PMID:
40232608
Bibliographic data and abstract were imported from PubMed on 15 Apr 2025.

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