id	keyword
mkg-780	sga
mkg-780	defect
mkg-780	enamel
mkg-780	dentition
mkg-780	infants
mkg-780	teeth
mkg-780	risk
mkg-780	growth
mkg-780	asymmetric
mkg-780	type
mkg-780	symmetrical
mkg-780	age
mkg-780	light
mkg-780	pregnancy