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Inlays & Onlays

What is an onlay?

An onlay is also called a partial crown or ¾ crown. It’s the restoration categorized between a filling and a crown. Made from porcelain or heat-cured resins, an onlay is fabricated in a dental lab. It fits between the cusps on top of a molar (back tooth).

What is an inlay?

Inlays fit between the cusps of a molar as well, but unlike onlays, inlays extend down the side of the affected tooth.

When are onlays and inlays used?

Onlays and inlays are a good option to restore a tooth with extensive decay. They’re more durable than fillings, yet require less tooth preparation than crowns. Common treatments in which onlays and inlays are used include:

  • Cosmetic enhancement
  • Repair fractured or broken teeth
  • Repair teeth with significant decay
  • Replace failing dental fillings
  • Replace amalgam fillings
Book Dental Exam and Cleaning from Holistic Dentists By Dr. Lewis Gross, DDS in New York