What is onlay porcelain ceramic

An onlay is a piece of

Porcelain

and ceramic that fits over most of your prepared tooth. An onlay is used when the affected area of the tooth includes the cusps of the teeth. Our doctors remove the decayed portion of your tooth and take a digital impression. Then they design the onlay to match the rest of your tooth’s anatomy.

What is a porcelain onlay in dentistry?

A porcelain onlay is similar to a dental crown in that it is designed to restore a tooth that is broken down so much that a filling is not enough to fix it. If too much of the tooth is missing, the tooth could fracture. A porcelain onlay covers most or all of the chewing surface of the tooth and strengthens it so that it won’t fracture.

What is inlay porcelain?

An inlay is a piece of porcelain and ceramic that fits into your prepared tooth. Inlays are used when only the grooves of a tooth are affected by decay (not the cusps).

What is the difference between a crown and a porcelain onlay?

To clarify the difference between a porcelain onlay, an inlay, and a crown, here is a diagram. In this case, the porcelain onlay covers both cusps of the tooth, just like the crown does. But the crown will go all the way down to the gumline, where an onlay will not. And an inlay does not cover any cusps but sits entirely inside the tooth.

How thick is a porcelain onlay?

It’s usually about two millimeters thick, and it covers at least one cusp of the tooth. This example is made to fit a molar tooth, and it covers three of the four cusps of the tooth. One advantage of porcelain onlays are that they preserve more of the natural tooth structure.

What is a porcelain onlay?

A porcelain onlay covers most or all of the chewing surface of the tooth and strengthens it so that it won’t fracture. A crown covers the entire chewing surface of the tooth and wraps around the entire tooth, all the way to the gum line. The porcelain onlay is more conservative.

What is a dental onlay or inlay?

A dental inlay is used when damage to the tooth lies between the cusps of the teeth or in the center of the tooth; a dental onlay is placed over the cusps, or covers part or all of the chewing surface of the tooth. Essentially, inlays and onlays are the same type of restoration, and the name merely describes where they are placed.

What is the difference between a porcelain and a crown?

Third, porcelain onlays, being made entirely of porcelain (or another ceramic), are very esthetic. They look extremely natural. To clarify the difference between a porcelain onlay, an inlay, and a crown, here is a diagram. In this case, the porcelain onlay covers both cusps of the tooth, just like the crown does.

How do porcelain onlays differ from crowns?

How porcelain onlays differ from crowns. A crown covers the entire chewing surface of the tooth and wraps around the entire tooth, all the way to the gum line. The porcelain onlay is more conservative. It covers only those parts of the tooth that are weak and it will not go down to the gumline.