Fig. 3

Evidence of fomite transfer of fluorescein on the back and side of the dental chair; these fluorescein markings were in the form of a smear not droplets, indicating they had come from a contaminated hand or instrument

Evidence of fomite transfer of fluorescein on the back and side of the dental chair; these fluorescein markings were in the form of a smear not droplets, indicating they had come from a contaminated hand or instrument