id	keyword
bjos-8640923	caries
bjos-8640923	dental
bjos-8640923	erosion
bjos-8640923	tooth
bjos-8640923	children
bjos-8640923	prevalence
bjos-8640923	oral
bjos-8640923	study
bjos-8640923	tooth erosion
bjos-8640923	consumption
bjos-8640923	schoolchildren