Inlays & Onlays

When more than half of the tooth’s biting surface is damaged a dentist will often use inlays/onlays.

What are inlays/onlays?

Inlays/onlays can be made of porcelain, gold, or a composite resin. These pieces are bonded to the damaged area of the tooth. An inlay (which is similar to a 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/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. Dr. Chong also uses CEREC® for dental restorations.

For more information about Inlays and Onlays or to schedule a consult with Dr. Chong, please use our Contact Us form or call our office in Federal Way, WA at Federal Way Office Phone Number 253-946-6361.

How are the tooth restorations applied?

Inlays/onlays require two appointments to complete the procedure. During the first 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. To ensure proper fit and bite, an impression of the tooth is made by the dentist and sent to a lab for fabrication. The dentist will then apply a temporary sealant on the tooth and a subsequent appointment will be scheduled.

At the second appointment, the temporary sealant is removed. Dr. Chong will then make sure that the inlay/onlay fits correctly. If the fit is satisfactory, the inlay/onlay will be bonded to the tooth with a strong resin and polished for a smooth finish.

Considerations

Traditional fillings can reduce the strength of a natural tooth by up to 50% . As an alternative, inlays/onlays that are bonded directly onto the tooth using special high-strength resins, can actually increase the strength of a tooth by up to 75%. 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 crown, onlays can provide a very good alternative.

For additional information about dental inlays and onlays, or to make an appointment, please call our office: Federal Way Office Phone Number 253-946-6361.

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