A: Wear,tear and injury may damage teeth. But in addition to these causes, bacteria can cause tooth decay. The human mouth is contains an immense number of bacteria. This is because the mouth is warm, dark, moist and contains tiny particles of food that help nourish bacteria. Both aerobic and anaerobic thrive inside the mouth. Anaerobic bacteria, those that do not need oxygen to survive, find their way inside a tooth trough tiny cracks. Once inside, where there is no oxygen, these anaerobic bacteria start to damage the tooth.
Tooth decay can be the result of feeding a colony of germs inside the mouth with food composed of refined sugars. The sugars of candies, cakes and soft drinks are easir for bacteria to digest, compared to fruits and vegetables. A tiny bit of food remaining in the mouth after a meal is enough to nourish millions of bacteris for 24 hours or more.
The formation of plaque also contributes to tooth decay. Plaque is a sticky substance that forms a film over the surface of the teeth. If not removed regularly through flossing and brushing, plaque may develop into a rough and hard substance called tartar, or dental calculus.
Tooth decay can be the result of feeding a colony of germs inside the mouth with food composed of refined sugars. The sugars of candies, cakes and soft drinks are easir for bacteria to digest, compared to fruits and vegetables. A tiny bit of food remaining in the mouth after a meal is enough to nourish millions of bacteris for 24 hours or more.
The formation of plaque also contributes to tooth decay. Plaque is a sticky substance that forms a film over the surface of the teeth. If not removed regularly through flossing and brushing, plaque may develop into a rough and hard substance called tartar, or dental calculus.
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