Inlays

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When over 1/2 of the tooth's biting surface is damaged a dentist will often use an inlay.

What are inlays?

Inlays 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 inlay 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. 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 they applied?

Inlays 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. To ensure proper fit and bite, an impression of the tooth taken, and sent to a lab for fabrication. Your doctor will then apply a temporary to the tooth and schedule the next appointment.

At the second appointment, the temporary is removed. Your doctor will then make sure that the inlay fits correctly. If the fit is satisfactory, the inlay will be bonded to the tooth and polished to a smooth finish.

Considerations

Traditional fillings can reduce the strength of a natural tooth by up to 50%. As an alternative, inlays being bonded directly onto the tooth can actually increase the strength of a tooth by up to 75%. As a result, they can last for many years. In some cases, where the damage to the tooth is not extensive enough to merit an entire crown, inlays can provide a very good alternative.

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