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Saturday, October 16, 2010

YQ Got Her Dental Sealant!



Just brought Yi Qian for her periodic dental check-up. Her milk teeth have started to drop out and her molars are coming through at an early age (normally this process happens at age 6 but YQ had hers at age 5).

Today her dentist applied something for her permanent molars to prevent it from decay, called the dental sealant. Following is an introduction on dental sealant:

What are dental sealants?
Sealants are thin, plastic coatings painted on the chewing surfaces of the back teeth.

Sealants are put on in dentists' offices, clinics, and sometimes in schools. Getting sealants put on is simple and painless. Sealants are painted on as a liquid and quickly harden to form a shield over the tooth.

How are sealants put on?
1. The tooth is cleaned.
2. The tooth is dried, and cotton is put around the tooth so it stays dry.
3. A solution is put on the tooth that makes the surface a little rough. (It is easier for the sealant to stick to a slightly rough surface.)
4. The tooth is rinsed and dried. Then new cotton is put around the tooth so it stays dry.
5. The sealant is applied in liquid form and hardens in a few seconds.
6. The sealant is in place

Why get sealants?
The most important reason for getting sealants is to avoid tooth decay.

Fluoride in toothpaste and in drinking water protects the smooth surfaces of teeth but back teeth need extra protection. Sealants cover the chewing surfaces of the back teeth and keep out germs and food.

Having sealants put on teeth before they decay will also save time and money in the long run by avoiding fillings, crowns, or caps used to fix decayed teeth.

What causes tooth decay?
Germs in the mouth use the sugar in food to make acids. Over time, the acids can make a cavity in the tooth.

Of course a healthy tooth is the best tooth. So it is important to prevent decay. That's why sealants are so important.

Why do back teeth decay so easily?
The chewing surfaces of back teeth are rough and uneven because they have small pits and grooves. Food and germs can get stuck in the pits and grooves and stay there a long time because toothbrush bristles cannot brush them away.

Who should get sealants?
Children should get sealants on their permanent molars as soon as the teeth come in -- before decay attacks the teeth.

The first permanent molars -- called "6 year molars" -- come in between the ages of 5 and 7.

The second permanent molars -- "12 year molars" -- come in when a child is between 11 and 14 years old.

Other teeth with pits and grooves also might need to be sealed.

Teenagers and young adults who are prone to decay may also need sealants.

How long do sealants last?
Sealants can last up to 10 years. But they need to be checked at regular dental check-ups to make sure they are not chipped or worn away. The dentist or dental hygienist can repair sealants by adding more sealant material.

Besides sealants, are there other ways to prevent tooth decay?
Yes. Using fluoride toothpaste and drinking fluoridated water can help protect teeth from decay.

Water is fluoridated in about two-thirds of cities and towns in the United States. If your water is not fluoridated or if your children's teeth need more fluoride to stay healthy, a dentist can prescribe it in the form of a gel, mouthrinse, or tablet.

Fluoride is the best defense against tooth decay!

Fluoride...

makes teeth more resistant to decay
repairs tiny areas of decay before they become big cavities
makes germs in the mouth less able to cause decay
Fluoride helps the smooth surfaces of the teeth the most. It is less effective on the chewing surfaces of the back teeth. Regular brushing -- with fluoride toothpaste -- also helps prevent tooth decay.

Sealants and fluoride together can prevent almost all tooth decay.

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