What Causes Discoloration?

While people have different colors of skin and hair, they also have genetic differences in tooth color. Some teeth are more yellow, while others yellow with aging. Natural tooth color can be discolored by a number of causes. The surface of the teeth can be stained by tobacco, coffee, tea, berries and other foods as well as by deposits of calculus (which is better known as tartar).

Discoloration of the tooth internally can also result from aging, injuries, excessive fluoride, certain illnesses and taking antibiotic tetracycline during early childhood. Although bleaching successfully lightens most discolorations, certain types (like those caused by tetracycline) are more difficult to remove.

What is Bonding?

Bonding is a term used to describe a number of procedures that involve applying composite resins to the tooth. Regardless of its use, bonding can provide an attractive result.

How Bonding is Performed
Bonding is often completed in one visit and often does not require the use of anesthesia or drilling. The process involves preparing the tooth surface with an etching solution that allow the composite resin to adhere. To match the color of your teeth, various colors of resins are carefully blended so the bonded tooth will look natural.

The resin is applied, contoured into the proper shape and hardened using a special light or chemical process. It is smoothed and polished to appear natural. Sometimes a follow-up appointment will be required for final polishing and finishing.

Aftercare

Because bonding material is not as strong as natural tooth enamel, it can chip and may have to be replaced periodically. Bonded areas of the tooth are also prone to stain. For these reasons, bonding requires careful home and professional maintenance. You can help maintain your bonding by following these tips.

- Avoid acids (such as vinegar, tomatoes, or pineapples) and alcohol which can damage the resins.
- Avoid items that can stain bonding material such as cigarettes, coffee, tea, and berries.
- Do not put excess pressure on resins. Chewing ice, popcorn kernels and hard candy can cause damage.