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Treatment comparison

Conserve vs cap

By the Dental Nation clinical team — a licensed dental group practising in the UAE

A crown covers a tooth, while inlays and onlays repair damaged areas with comparable reported survival.

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The short answer

Crowns cover the tooth, whereas inlays and onlays restore damaged areas and have shown comparable survival in reported studies.

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Conserve vs cap comparison graphic

The two options, side by side

Illustrative diagram: crowns vs inlays onlays
Illustration — a representative diagram, not a patient photo.
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Which restoration fits the damage?

What the two approaches repair
OptionPractical distinction
CrownThe tooth is reshaped and covered with a laboratory-made crown.[1][2]
Inlay or onlayIt is a partial-coverage restoration used to restore a damaged tooth.[1][2]

[1][2]

When can an inlay or onlay make sense?

An inlay or onlay is a partial-coverage option for a damaged tooth. In the reviewed studies, its survival was similar to complete-coverage restorations.

[1][2]

When can a crown make sense?

A crown treatment usually takes two visits. The first appointment reshapes the tooth, takes an impression and places a temporary crown for protection.

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What changes the treatment work?

The crown pathway includes tooth reshaping, an impression, laboratory work and a temporary crown before the final crown is cemented.

[1][2]

How long can they last?

Published five-year results included 97.4% survival for crowns and 98.9% for both onlays and inlays. Reported ten-year survival varied across restoration types and studies.

[1][2]
Examples of reported five-year survival
RestorationReported survival
Crowns97.4% in one five-year study.[1][2]
Inlays and onlays98.9% in the same five-year report.[1][2]

[1][2]

What can go wrong?

Both partial and complete coverage restorations can fail through fracture or chipping, recurrent decay, loss of retention and, with all-ceramic restorations, severe marginal staining.

[1][2]

When might neither be needed?

A tooth can sometimes be rebuilt with a white filling material that bonds to enamel. A porcelain veneer may be considered for a front tooth when the bite is not heavy.

[1][2]

What guides the choice?

Tooth position, tooth history, treatment frequency and periodontal indices can affect restoration survival. Anterior teeth showed higher survival than posterior teeth in the review.

[1][2]

Frequently asked questions

Can a filling be used instead of a crown?

Some teeth can be rebuilt with a white filling material that bonds to enamel; a crown is not always the best option.

[1][2]

Keep reading

symptomChipped Front ToothconditionAbfraction LesionstreatmentComposite Veneers

Who wrote this page

This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.

This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.

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