How long can a human live without water How long can human live without food? A human can't live without food for 3 or 4 days (however your body type is,) and a human can't live without water for 2 or 3 days.
Cavities refer to tooth decay, which occurs when specific types of bacteria produce acid that destroys the toothâs enamel and its underlying layer, the dentin. Signs & Symptoms. Cavity symptoms include: 1  Toothache. 2  Sensitivity to sweet, hot or cold foods or drinks.
Dental caries | tooth decay | cavity. an infection, bacterial in origin, that causes demineralization and destruction of the hard tissues, usually by production of acid by bacterial fermentation of the food debris accumulated on the tooth surface. If demineralization exceeds saliva and... (36 of 9140 words, 14 images)