id	keyword
bjos-8640908	porcelain
bjos-8640908	cooling
bjos-8640908	strength
bjos-8640908	specimens
bjos-8640908	zirconia
bjos-8640908	bilayer
bjos-8640908	dent
bjos-8640908	group
bjos-8640908	methods
bjos-8640908	tzp