Restorative Dentistry

Dental Inlays and Onlays in Bel Air, MD: More Conservative Than a Crown, More Durable Than a Filling

When a tooth has damage or decay that is too extensive for a filling but not large enough to require a full crown, an inlay or onlay is the ideal middle ground. It restores precisely the damaged area with a custom-fitted ceramic piece, preserving as much healthy tooth structure as possible. At Elevated Smiles Dentistry in Bel Air, MD, inlays and onlays can be designed and placed in a single same-day appointment using our in-office CAD/CAM technology.

Strong & Natural

Strong & Natural

Built to last

What Is the Difference Between an Inlay and an Onlay?

An inlay restores the area between the cusps in the center of a back tooth, fitting precisely into the prepared cavity without covering the cusp tips. An onlay, sometimes called a partial crown, covers one or more of the tooth cusps in addition to the central area. The distinction matters clinically because it determines how much tooth structure is being restored and how the forces of chewing are distributed across the restoration. Both are custom-fabricated from ceramic material and bonded permanently to the tooth. The correct choice depends on where the damage is located and how far it extends.

When Is an Inlay or Onlay the Right Choice?

Inlays and onlays are the right choice when a filling would be too large to hold up under the bite forces of a back tooth but the damage does not extend far enough down the tooth sides to require a full crown. Large fillings in molars tend to crack over time because they flex under pressure and put stress on the surrounding enamel walls. An inlay or onlay is rigid, fits precisely, and actually reinforces the tooth structure rather than stressing it. They are also used to replace large old fillings that have cracked or failed, and for teeth where maximum conservation of healthy enamel is a clinical priority.

What Is the Inlay or Onlay Process at Elevated Smiles?

Because Elevated Smiles uses in-office CAD/CAM technology, inlays and onlays can often be completed in a single appointment. Dr. Englander removes the damaged or decayed area, takes a digital scan of the prepared tooth, and designs the restoration on screen. The milling machine carves the inlay or onlay from a ceramic block while you wait. After minor adjustments for fit and bite, the restoration is bonded permanently in place. Traditional lab-fabricated inlays and onlays are also available for cases where the CAD/CAM approach is not the best fit.

Frequently Asked Questions About Dental Inlays and Onlays

How long do inlays and onlays last?

With proper care, ceramic inlays and onlays typically last 10 to 20 years, often outlasting composite fillings significantly. Keeping up with regular checkups allows Dr. Englander to monitor the margins and integrity of the restoration over time.

Are inlays and onlays covered by insurance?

Most dental insurance plans cover inlays and onlays as a restorative procedure, typically at 50 percent after the deductible. Coverage is based on what is clinically necessary to restore the tooth. Our team confirms your benefits before treatment.

Does getting an inlay or onlay hurt?

The tooth is fully numbed with local anesthetic before preparation begins. You may experience some mild sensitivity for a day or two after placement as the tooth adjusts to the new restoration, which is normal.

How is an inlay different from a tooth-colored filling?

A composite filling is applied directly to the tooth in layers and hardened chairside. It works well for smaller restorations but is more susceptible to wear and shrinkage in larger cavities. An inlay is custom-made to exact dimensions from a harder ceramic material and bonded as a single precise piece, providing better durability and fit for larger restorations.

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Wednesday: 7am – 3pm

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    Dr. Joshua Englander, DDS

    Page written and reviewed by:

    Dr. Joshua Englander, DDS

    Doctor of Dental Surgery · Elevated Smiles Dentistry, Bel Air, MD · Last reviewed: July 2026