id	keyword
bjos-8640921	teeth
bjos-8640921	paste
bjos-8640921	dressing
bjos-8640921	root
bjos-8640921	calcium
bjos-8640921	treatment
bjos-8640921	hydroxide
bjos-8640921	pulp
bjos-8640921	chlorhexidine
bjos-8640921	trauma
bjos-8640921	zinc