id	keyword
bjos-8678463	ligature
bjos-8678463	bone
bjos-8678463	repair
bjos-8678463	days
bjos-8678463	periodontitis
bjos-8678463	doi
bjos-8678463	loss
bjos-8678463	oral
bjos-8678463	study
bjos-8678463	groups
bjos-8678463	sci
bjos-8678463	rats
bjos-8678463	analysis
bjos-8678463	time
bjos-8678463	experimental
bjos-8678463	gingival