id	keyword
bjos-8642808	denture
bjos-8642808	materials
bjos-8642808	hardness
bjos-8642808	roughness
bjos-8642808	bond
bjos-8642808	strength
bjos-8642808	immersion
bjos-8642808	elite
bjos-8642808	liners
bjos-8642808	kooliner
bjos-8642808	specimens