ONLAYS AND INLAYS

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onlay-2Dental inlays and onlyas are restoration options for teeth that need buildup of a large surface area, too big to cover with a regular dental filling, and preservation of tooth structure which would otherwise need to be removed for placement of a crown. They are used when the size, shape, and surface area of a prepared tooth is not right for a filling or a crown.

An inlay is used when a large internal area of a tooth has to be prepared to remove decay and fracture lines. Inlays are used to cover and stabilize this large area which would otherwise be compromised by placement of a regular dental filling.

On the other hand, an onlay is used when the removal of the surface area includes external surfaces and biting cups of the tooth as well as internal areas. An onlay is indicated for preservation of healthy tooth structure which would otherwise have to be removed for placement of a crown. Preservation of healthy tooth structure improves longevity of the tooth and gives more treatment options if future problems, such as recurrent decay or fracture, arise.

Common indications for Inlays and Onlays:

  • Restoration of large tooth surface area
  • Stabilization of teeth with fractures and fractures lines
  • Replacement of large metal restorations
  • Preservation of healthy tooth structure

Both inlays and onlays are securely bonded to the tooth surface increasing structural integrity while at the same time creating a bacterial seal.

Inlay and Onlay material

Materials used for fabrication of inlays and onlays are usually modified porcelain and composite resin. They are premade in the lab according to the impression sent by the dentist. Like crowns, they require two appointments for completion, initial appointment for preparation and final appointment for delivery. Once placed the tooth is restored to its natural looking state, blending in with the surrounding tooth structure.

Dr. Dekano will help you decide if Inlay or an Onlay is an appropriate restorative option for your teeth.

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