a man holds a heating pad with hot water near his cheek. toothache, infection. heat treatment. close-up

absorbable action aid analgetic background bottle bottles cheek chronic closeup cold concept dental disease first flux heater hot hotwater human hyperaemia hyperemia hypothermia illness infection inflammatory injury male man medic medical mumps muscle nerve organ pain painkiller person procedure process red relaxation smooth strain surgery thermotherapy toothache trauma trophic tumor vegetative warmer water white