Why it’s Important
Dental Inlays and Onlays: A Durable Alternative to Traditional Fillings
Dental inlays and onlays are a great option for restoring teeth that have been damaged but don’t need a full crown. Unlike “direct” fillings like amalgam or composite, which are placed directly in the tooth after decay is removed, inlays and onlays are known as “indirect” fillings. This means they are created outside the mouth before being bonded or cemented into place.
What Are Inlays and Onlays?
In the past, many inlays and onlays were made from gold, but today, they are typically crafted from high-grade dental porcelain or composite resins. These materials not only match the natural color of your tooth for a seamless look but also offer more durability than traditional fillings. In fact, inlays and onlays help preserve more of the underlying tooth structure and can strengthen the tooth, allowing it to handle 50 to 75 percent more chewing force.
The Difference Between Inlays and Onlays
The main difference between inlays and onlays is how much of the tooth they cover. An inlay is used when the damage doesn’t extend to the cusp tips of the tooth. On the other hand, if the decay or injury affects more of the tooth’s chewing surface, including one or more cusp tips, an onlay is needed.
How Are Inlays and Onlays Made?
Both inlays and onlays are created outside the mouth, based on the exact specifications provided by an impression of the prepared tooth. The final restoration is custom-made either by a dental laboratory or in-office using same-day technology, and then it’s bonded securely to your tooth.
