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CC BY 4.0 · European Journal of General Dentistry 2024; 13(02): 090-098
DOI: 10.1055/s-0043-1778673
Original Article

Efficacy of Three Remineralizing Agents on Erosion of Root Dentin by Cola Drink: An In Vitro Study

Sirada Ratanachina
1   Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
,
Chawalid Pianmee
2   Dental Department, Surin Hospital, Surin, Thailand
,
Dusit Nantanapiboon 
1   Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
,
Suchit Poolthong
1   Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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Abstract

Objective The aim of the study was to investigate the effects of silver diamine fluoride (38% SDF), sodium fluoride (NaF) varnish, and casein phosphopeptide-amorphous calcium phosphate fluoride (CPP-ACPF) on cola-eroded root dentin microhardness and mineral alteration in vitro.

Materials and Methods Forty human root dentin slabs were exposed to alternating 10 cycles of cola drink and artificial saliva, repeated 3 times at 6-hour intervals. Specimens were randomly assigned to four groups: control (deionized water), 38% SDF, NaF varnish, and CPP-ACPF. All specimens underwent the second erosion process. Microhardness was measured at baseline (KHN0), pretreatment (KHN1), and posttreatment (KHN2). The mean difference of microhardness (ΔKHN2-1) was analyzed using one-way analysis of variance (ANOVA) and Tukey's post hoc tests (α = 0.05). The chemical composition and surface morphology were assessed using energy dispersive spectroscopy (EDS) and scanning electron microscope (SEM).

Results All experimental groups exhibited dentinal tubule occlusion. Both 38% SDF and NaF varnish demonstrated a statistically significant increase in microhardness compared to CPP-ACPF. However, CPP-ACPF was comparable to the control group. EDS analysis showed an increase in weight percentage of fluorine in all groups. Furthermore, silver and chlorine were detected in the 38% SDF group.

Conclusion All treatments enhanced eroded root dentin microhardness, with 38% SDF and NaF varnish demonstrating superior acid resistance and preventing morphological changes induced by cola re-immersion.

Keywords

dental erosion - root dentin - surface hardness - cola drink - SDF - CPP-ACPF - sodium fluoride varnish


Publication History

Article published online:
23 February 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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