id	keyword
mkg-889	expression
mkg-889	gene
mkg-889	tooth
mkg-889	movement
mkg-889	matrix
mkg-889	gcf
mkg-889	periodontal
mkg-889	study
mkg-889	week
mkg-889	tissue
mkg-889	gingival
mkg-889	force
mkg-889	chain
mkg-889	level