Zhaoquan Xing, Meng Ji, Zhaogang Dong, Xiaofei Xu, Yi Shan
Factors Associated With Limited Digital Health Literacy Among Chinese Male Populations: Cross-sectional Study
JMIR formative research
aim pilot study perform chemical analysis investigate total soluble fluoride concentrations various brands children toothpastes three samples five different commercial brands children toothpastes collected divided five groups group biorepair oral care toothpaste containing fluoride control group b signal kids strawberry toothpaste 500 ppm fluoride group c aquafresh milk teeth toothpaste 500 ppm fluoride group aquafresh little teeth toothpaste 500 ppm fluoride group e siwak f junior 400 ppm f total fluoride tf total soluble fluoride tsf concentration toothpastes determined using fluoride ion selective electrode data analysed using paired sample ttest measured tf values inconsistent declared concentrations manufacturers mean tf found toothpastes ranged 237 51574 ppm whereas mean tsf ranged 200 5034 ppm two groups tf declared tf whereas three groups less declared concentration differences declared observed tf concentration statistically significant p 05 except one group toothpastes demonstrated mean tsf slightly lower respective observed mean tf concentrations analysis tf tsf concentrations revealed variations labelled claims therefore toothpastes may doubtful anticaries effectiveness owing deficiency total soluble fluoride