id	keyword
bjos-8673442	patients
bjos-8673442	oral
bjos-8673442	infection
bjos-8673442	study
bjos-8673442	hospital
bjos-8673442	doi
bjos-8673442	risk
bjos-8673442	admission
bjos-8673442	factors
bjos-8673442	hospitalization
bjos-8673442	staying
bjos-8673442	use