Angela Ferrari, DDS, Inc. Gentle Dentistry
Mount Shasta
(530) 918-9522
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Cosmetic Treatments

  • Bonding
  • Porcelain Veneers
  • Inlays and Onlays
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    • Teeth Whitening
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Inlays & Onlays

When more than half of the tooth’s biting surface is damaged a dentist will often use an inlay or onlay.

What are 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 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?

Since our office utilizes a CEREC machine, Inlays and Onlays require only one visit. 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. To ensure proper fit and bite, a photo of the tooth is taken on the CEREC machine. The inlay or onlay is designed by the computer and modifications are made by Dr. Ferrari. It is then milled in the milling unit on site in approximately 15 minutes.Dr. Ferrari then makes some adjustments to make sure the fit is ideal, then the restoration is bonded to the tooth with a strong resin and polished to a smooth finish.

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 crown, onlays can provide a very good alternative.

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Angela Ferrari, DDS, Inc. Gentle Dentistry • Address: 301 East Alma Street Mount Shasta CA 96067 • Phone: Angela Ferrari, DDS, Inc. Gentle Dentistry Phone Number (530) 918-9522 • Fax: (530) 918-9526

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