dentist accident

i was at the dentist to check on my teefies, my dentist is a rlly hot guy in his 40s or maybe 50s, he's always really rough w his hands in my mouth which i like, anyways today i was laying on the chair and naturally started thinking naughty thoughts, he started putting his hands in my mouth and i naturally (without thinking) sensually licked his finger. i immediately realized what i was doing and stopped, but he definitely noticed. idk what to do, should I even come back to this place? im really ashamed