New dental crown design could save more teeth after root canal

NCT ID NCT07206108

Recruiting now Disease control Sponsor: Nanfang Hospital, Southern Medical University Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares a new type of dental crown, called a modified endocrown, to the standard post-and-core crown for fixing large tooth defects after root canal treatment. 246 people with treated premolars will be randomly assigned to get one of the two restorations. The goal is to see which one lasts longer and works better over two years.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: modified endocrown (a dental restoration procedure)
What this could lead to: If successful, this could offer a simpler, more durable option for restoring teeth after root canal treatment.
What could go wrong: This is a small, early-stage trial with only 246 patients and a 2-year follow-up. The modified endocrown may not prove superior or could have unforeseen complications.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

dental abscess tooth disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

POST AND CORE TECHNIQUE ROOT CANAL INFECTION TOOTH DEFECT

Contacts and locations

Locations

Nanfang Hospital of Southern Medical University
RECRUITING

China, China

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