id	keyword
bjos-8670282	bulk
bjos-8670282	days
bjos-8670282	fill
bjos-8670282	color
bjos-8670282	doi
bjos-8670282	resin
bjos-8670282	composite
bjos-8670282	material
bjos-8670282	roughness
bjos-8670282	surface
bjos-8670282	acid
bjos-8670282	dent
bjos-8670282	time
bjos-8670282	oral
bjos-8670282	change