id	keyword
bjos-8642081	periodontal
bjos-8642081	chip
bjos-8642081	group
bjos-8642081	tetracycline
bjos-8642081	chlorhexidine
bjos-8642081	chx
bjos-8642081	fibers
bjos-8642081	srp
bjos-8642081	study
bjos-8642081	pocket