id	keyword
bjos-8650031	impression
bjos-8650031	stone
bjos-8650031	accuracy
bjos-8650031	alginate
bjos-8650031	casts
bjos-8650031	days
bjos-8650031	materials
bjos-8650031	storage
bjos-8650031	times
bjos-8650031	distance
bjos-8650031	dent
bjos-8650031	study