Bacteriological study of salivary contamination of the dental contra-angle and handpiece.
D003762:Dental Instruments; D003813:Dentistry / Q000295:instrumentation*; D006801:Humans; D012463:Saliva / Q000382:microbiology*; D013291:Streptococcus
DENTISTRY/apparatus and instruments; SALIVA/microbiology; STREPTOCOCCUS