id	keyword
mkg-10665	bone
mkg-10665	periodontitis
mkg-10665	density
mkg-10665	mandibular
mkg-10665	group
mkg-10665	week
mkg-10665	bone density
mkg-10665	control
mkg-10665	gingivalis
mkg-10665	study
mkg-10665	resorption