Table 1: Varnishes used in this study.

VarnishContentManufacturerLot numberSource

MI 30–50% polyvinyl acetate, 10–30% hydrogenated rosin, 20–30% ethanol, 1–8% sodium fluoride, 1–5% CPP-ACP, 1–5% silicon dioxideGC, Tokyo, Japan141009AMSDS
Clinpro White 30–75% pentaerythritol glycerol ester of colophony resin, 10–15% n-hexane, 1–15% ethyl alcohol, 1–5% sodium fluoride, 1–5% flavour enhancer, 1–5% thickener, 1–5% food grade flavour, <5% modified tricalcium phosphate3M Espe, MN, USAN545905MSDS
Duraphat10–<40% colophonium, 10–<30% ethanol, <5% sodium fluoride, <1% saccharin, <1% isoamyl acetate, other ingredientsColgate-Palmolive, NSW, AustraliaBB2LXMSDS