id	keyword
mkg-862	cpp
mkg-862	acp
mkg-862	enamel
mkg-862	demineralization
mkg-862	acpf
mkg-862	microhardness
mkg-862	apf
mkg-862	group
mkg-862	value
mkg-862	topical
mkg-862	prevent
mkg-862	fluoride