Table 3.

Characteristics of the included studies

Author (year)	Type of human tooth	Number of teeth per group	Type of product containing CPP-ACP	Wavelength of Er,Cr:YSGG laser	Outcome report
Adel et al. 2020 [14]	premolars	20	GC Tooth Mousse-GC International Itabashi-Ku, Tokyo, Japan	2780 nm	Lesion depth
Ghelejkhani et al. 2021 [27]	third molars	10	GC Tooth Mousse; GC Corporation, Tokyo, Japan	2780 nm	Vickers hardness number (VHN)
Serdar-Eymirli et al. 2018 [28]	primary molars	15	GC Tooth Mousse, GC Corp, Tokyo, Japan	2780 nm	Vickers hardness number
Subramaniam et al.2014 [29]	primary anterior teeth	10	GC Tooth Mousse‑GC International, Itabashi‑Ku, Tokyo, Japan	2780 nm	Brinell hardness number (BHN)