id	keyword
mkg-758	group
mkg-758	cpp
mkg-758	figure
mkg-758	bleaching
mkg-758	acp
mkg-758	mutans
mkg-758	enamel
mkg-758	fluoride
mkg-758	areas
mkg-758	colony
mkg-758	roughness
mkg-758	remineralization
mkg-758	surface