id	keyword
bjos-8671377	specimens
bjos-8671377	strength
bjos-8671377	ceramic
bjos-8671377	furnace
bjos-8671377	firing
bjos-8671377	center
bjos-8671377	translucency
bjos-8671377	doi
bjos-8671377	periphery
bjos-8671377	flexural
bjos-8671377	biaxial
bjos-8671377	porcelain