Efficiency of Fluoride-Free Toothpastes on The Inhibition of Erosive Tooth Wear in Primary And Permanent Teeth

Abstract

The objective of this study was to evaluate inhibition efficiencies of different fluoride-free remineralization agents against erosive challenge of orange juice on primary and permanent teeth samples using optical profilometer and scanning electron microscope. Forty-five non-carious permanent third molar teeth extracted in the orthodontic treatment and 45 non-carious primary teeth extracted at the exfoliation time were included in the study. After surface preparation for each sample, three different toothpastes which included CPP-ACP (Group-1), organic calendula-xylitol (Group-2), and calcium hydroxyapatite-silica (Group-3), were applied during erosion cycle with orange juice. After the cycle, surface depth and roughness for all samples were evaluated by optical profilometer. According to the analysis of exhibited data, significance level was accepted as p<0.05. Linear surface depth values were significantly higher in permanent teeth compared to primary teeth for Group-1. However, volumetric surface roughness values were statistically higher in Group-2 and Group-3 for primary teeth compared to permanent teeth samples. Erosion inhibition efficiency of fluoride is known. However, parents are very concerned about the toxic nature and prefer using fluoride-free toothpastes. Based on the findings, parents should be informed about insufficient erosion inhibition efficiency of these fluoride-free toothpastes and further studies are needed to inform dentists about the remineralization efficiency of ingredients of toothpastes for both primary and permanent teeth.