Table 1.

Materials used in the study

Material	Composition
CPP-ACPF(GC tooth mousse plus; GC Corporation, Tokyo, Japan)	CPP-ACP 10%, sodium carboxyl methylcellulose, propylene glycol, silicon dioxide, titanium dioxide, xylitol, flavoring, guar gum, phosphoric acid, zinc oxide, magnesium oxide, ethyl 4-hydroxybenzoate, propyl 4-hydroxybenzoate
Resin infiltrate(ICON smooth surface kit; DMG, Hamburg, Germany)-	Icon etch: 15% hydrochloric acid, pyrogenic silicic acid, surface-active substances Icon dry: 99% ethanol Icon infiltrant: Tetraethylene glycol dimethacrylate, initiators, additives
Colloidal silica infiltrate(Zephyr Chemicals, Navi Mumbai, Maharashtra)	29.6 weight percentage suspensionin water pH at 25°C: 10 Average particle diameter: 8.3 nm Stabilizing counter ion: Sodium

CPP: Casein phosphopeptide, ACP: Amorphous calcium phosphate, ACPF: ACP fluoride,