young blond man working at dentist clinic holding electric toothbrush and teethbrush in shock face, looking skeptical and

blond clinic dentist electric face holding looking man mouth open skeptical teethbrush toothbrush working young adult beard caucasian cautious choose comparative confused cynical dental dentistry disbelief doubt expression eyes guy look male perplexed person portrait professional puzzled question skeptic suspicious technology thinking thoughtful uncertain unconvinced uniform unsure washing wow