Dental Inlays & Onlays

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Inlays & Onlays

Dental Inlays and Onlays in Rexburg, ID — A Stronger Alternative to a Filling or Crown

When a tooth has too much damage for a simple filling but not quite enough to need a full dental crown, an inlay or onlay fills that gap perfectly. They’re custom-made restorations — precision-fit to your tooth — that are stronger than composite fillings and require less tooth reduction than a crown.

Think of them as the middle option. Not a patch. Not full coverage. A targeted, lasting repair that preserves as much of your natural tooth as possible.

Inlays vs. Onlays — What's the Difference?

The terms refer to where the restoration sits on the tooth:

An inlay fits within the cusps — the raised points — of a back tooth, filling a specific area of damage
An onlay covers one or more cusps, extending over a larger portion of the chewing surface

Both are fabricated outside the mouth (in a lab or digitally) and then bonded permanently to the tooth. Both are more durable than filling material and more conservative than grinding down a tooth for a full crown.

What Are They Made Of?

At Family First Dental, we use tooth-colored ceramic or porcelain restorations. These are the same materials used across cosmetic dentistry — they match your natural tooth color, handle the pressures of chewing, bond tightly to the tooth surface, and don’t expand and contract with temperature changes the way metal restorations can. The result is a durable, natural-looking restoration for back teeth.

When Would You Need an Inlay or Onlay?

You might be a good candidate if:

You have a large cavity too significant for a filling but the rest of the tooth is healthy
An old filling has cracked or failed and the affected area has expanded
Part of a cusp has broken off
You want to restore a tooth while removing as little healthy structure as possible

Dr. Stout will evaluate the tooth and explain exactly which restoration makes the most sense — and why.

What to Expect at Your Appointments

Getting an inlay or onlay typically takes two visits. At the first appointment, we remove the damaged material, take precise measurements, and place a temporary restoration. At the second appointment, we bond the permanent restoration in place and fine-tune the fit. Dr. Stout will walk you through the timeline based on your specific case.

Dr. Stout and Precision Restorations

In nearly 20 years of general dentistry practice in Rexburg, Dr. Craig Stout has restored a lot of teeth. He believes in saving as much natural tooth structure as possible — which is exactly what inlays and onlays are designed to do. If your tooth can be saved with a targeted restoration rather than a full crown, that’s always his preference.

Serving Rexburg and Eastern Idaho

Patients from Rexburg, Rigby, Sugar City, St. Anthony, and across eastern Idaho come to Family First Dental for restorative care. Call (208) 400-9946 to book an appointment and schedule a consultation.

Get in Touch

Ready To Schedule Your Appointment?

Our friendly team at Family First Dental is here to help! Contact our office in Rexburg today and let us take care of your dental health.

Questions About Inlays and Onlays

What is the difference between an inlay and an onlay?

An inlay fits within the cusps of the tooth, filling a specific area of damage. An onlay extends over one or more cusps, covering more of the chewing surface. Both are custom-fabricated and permanently bonded to the tooth.

Are inlays and onlays better than fillings?

For moderate to large areas of damage, yes. They're stronger than composite filling material, fit more precisely, and typically last significantly longer — often 10 to 30 years with proper care.

How long do inlays and onlays last?

Ceramic inlays and onlays can last 10 to 30 years with good oral hygiene and regular checkups. They're among the most durable restorations available for back teeth.

Does insurance cover inlays and onlays?

Coverage varies by plan. Many dental insurance plans classify them differently than standard fillings or crowns. It's worth checking your coverage before treatment — our team can help you understand what to expect.