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Information for Parents of School-Age Children

The Tooth Decay Process Aptos
You probably know that a dental cavity is a hole in a tooth. But did you know that a cavity is the result of the tooth decay process that happens over time? Did you know that you can interrupt and even reverse this process to avoid a cavity?
This web page explains how the tooth decay process starts and how it can be stopped or even reversed to keep your child from getting cavities.

Read the Full Article on the National Institute of Dental and Craniofacial Research Site

What’s inside our mouths?

Our mouths are full of bacteria. Hundreds of different types live on our teeth, gums, tongue and other places in our mouths. Some bacteria are helpful. But some can be harmful such as those that play a role in the tooth decay process.

Tooth decay is the result of an infection with certain types of bacteria that use sugars in food to make acids. Over time, these acids can make a cavity in the tooth.

What goes on inside our mouths all day?

On one team are dental plaque—a sticky, colorless film of bacteria—plus foods and drinks that contain sugar or starch (such as milk, bread, cookies, candy, soda, juice, and many others). Whenever we eat or drink something that contains sugar or starch, the bacteria use them to produce acids. These acids begin to eat away at the tooth’s hard outer surface, or enamel.

On the other team are the minerals in our saliva (such as calcium and phosphate) plus fluoride from toothpaste, water, and other sources. This team helps enamel repair itself by replacing minerals lost during an “acid attack.”
Our teeth go through this natural process of losing minerals and regaining minerals all day long.

How does a cavity develop?

When a tooth is exposed to acid frequently — for example, if you eat or drink often, especially foods or drinks containing sugar and starches — the repeated cycles of acid attacks cause the enamel to continue to lose minerals. A white spot may appear where minerals have been lost. This is a sign of early decay.

Tooth decay can be stopped or reversed at this point. Enamel can repair itself by using minerals from saliva, and fluoride from toothpaste or other sources.

But if the tooth decay process continues, more minerals are lost. Over time, the enamel is weakened and destroyed, forming a cavity. A cavity is permanent damage that a dentist has to repair with a filling.

How can we help teeth win the tug of war and avoid a cavity?

Use fluoride

Fluoride is a mineral that can prevent tooth decay from progressing. It can even reverse, or stop, early tooth decay.
Fluoride works to protect teeth. It . . .
prevents mineral loss in tooth enamel and replaces lost minerals
reduces the ability of bacteria to make acid

Keep an eye on how often your child eats, as well as what she eats.
Your child’s diet is important in preventing a cavity. Remember . . . every time we eat or drink something that contains sugar or starches, bacteria in our mouth use the sugar and starch to produce acids. These acids begin to eat away at the tooth’s enamel.

Make sure your child brushes
Brushing with fluoride toothpaste is important for preventing cavities.

Talk to a dentist about sealants
Dental sealants are another good way to help avoid a cavity.

Take your child to the dentist for regular check-ups
Visit a dentist regularly for cleanings and an examination.

Read the Full Article on the National Institute of Dental and Craniofacial Research Site