When a person has dental bonding, his dentist uses a special material to bond to a tooth and correct certain imperfections or problems. The material used in dental bonding is referred to as resin, which is really a plastic material that matches the person's tooth color as closely as possible. Resin is designed to be durable, so it can withstand all that happens inside the mouth.
Dental bonding typically takes about half an hour to a full hour to complete for each tooth, beginning with a dentist matching a resin color with her patient's tooth color. Then she roughens the surface of the affected tooth and applies a liquid conditioner; both of these things make it easier for the bonding material to stick. Next, she applies the resin to the tooth and molds it into a suitable shape. She then uses a laser or ultraviolet light to shine on the resin and harden it onto the tooth's surface. Finally, the dentist smooths the resin and shapes it further, ending by polishing it, so that it matches as closely as possible to the rest of the tooth.
Dental bonding can be used for a variety of tooth care needs. For example, it may be used to repair cavities and chipped teeth. It may also be used to mask teeth that have become discolored or to close unsightly gaps. Sometimes it's used to make a tooth look longer or to change its shape, so that it appears more attractive. Sometimes it is even used to cover the root of a tooth, such as when someone has a case of receding gums.
What It's Used For ?
Bonding is one of the easiest and least costly cosmetic dental treatments. The resin used in bonding can be shaped and polished to match the other teeth. Most often, bonding is used to make a discolored or chipped tooth look better. It also can be used to close spaces between teeth, to make teeth look longer, or to change the shape or color of teeth.
Sometimes, bonding also is used to protect a portion of the tooth's root that has been exposed when gums recede.
How It's Done ?
Your dentist will use a shade guide to select the composite resin color that will most closely match the color of the tooth. Then he or she will slightly scratch or etch the surface of the tooth to roughen it. The tooth will be coated lightly with a conditioning liquid. This helps the bonding material to stick.
When the tooth is prepared, your dentist will apply the resin. It is tooth-colored and resembles putty. The dentist molds and smoothes the resin until it's the proper shape. Then it is hardened with an ultraviolet light or laser.
Once the bonding material is hard, your dentist will further trim and shape it. Then he or she will polish it to match the sheen of the rest of the tooth.
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