Dental Inlays & Onlays, Louisville KY
When more than half of the tooth’s biting surface is damaged, a dentist will often use an inlay or onlay.
What are dental inlays and onlays?
Inlays and onlays can be made of porcelain, gold, or composite resin. These pieces are bonded to the damaged area of the tooth. An inlay, which is similar to a dental filling is used inside the cusp tips of the tooth. An onlay is a more substantial reconstruction, similar to the inlay but extending out over one or more of the cusps of the tooth.
Traditionally, gold has been the material of choice for inlays and onlays. In recent years, however, porcelain has become increasingly popular due to its strength and color, which can potentially match the natural color of your teeth.
How are inlays and onlays applied?
Inlays and onlays no longer require two appointments to complete the procedure. During the visit, the filling being replaced or the damaged or decaying area of the tooth is removed, and the tooth is prepared for the inlay or onlay. Instead of an impression, the tooth is made Using CAD/CAM cameras. It does not have to be sent to a lab for fabrication. The patient will wait about 30 minutes while the permanent restoration is made.
After the inlay/onlay is milled, glazed and fired, the dentist will do a final fitting and bond it to the tooth.
Considerations for Inlays and Onlays
Traditional fillings can reduce the strength of a natural tooth by up to 50 percent. As an alternative, inlays and onlays, which are bonded directly onto the tooth using special high-strength resins, can actually increase the strength of a tooth by up to 75 percent. As a result, they can last from 10 to 30 years. In some cases, where the damage to the tooth is not extensive enough to merit an entire dental crown, onlays can provide a very good alternative.
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