man with an infected mouth

anatomy and anisakiasis anisakis ascaris bacteria bad breath businessman care caries cavity colon demodex dental digestive dirty disease employee enterobiasis enterobius food gut halitosis health helminth helminths human hygiene illness infection infestation intestinal intestine male man medical medicine mouth mouthed nematode office open organs pain parasite parasites parasitic pinworm poisoning puking roundworm stomach suit tapeworm teeth threadworm tie tongue vermicularis vomit worker worm worms