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Zirconia veneers put to the test for a better smile

NCT ID NCT06406582

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 21, 2026 · Last updated Sep 21, 2026

Summary

Researchers at Hanoi Medical University are studying zirconia laminate veneers, thin tooth-colored shells that bond to the front of teeth. The trial enrolls 50 people with chipped, discolored, spaced, or mildly crowded teeth. The team measures how well the veneers fit, how healthy the gums stay, and how the veneers look over time, comparing them with lithium disilicate veneers.

What this could mean

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

Active substance
Zirconia laminate veneer, a thin tooth-colored shell bonded to the front of teeth
What this could lead to
If zirconia veneers hold up well, they could offer a durable, minimally invasive way to improve the look of chipped, discolored, or spaced teeth.
What could go wrong
This is a small study of 50 people, so results may not apply to everyone. Veneers can chip, come loose, or irritate gums, and they need healthy enamel to bond properly.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

50 people

The number who actually took part.

Started

Sep 2023

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 90 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Spaced tooth * Discolored tooth * Malformed tooth * Root canal-treated tooth * Chipped tooth * Mildly crowded tooth Exclusion Criteria: * Tooth bruxism * Inadequate enamel for bonding * Large restoration exists * Bad oral habits harming restoration

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Conditions

The condition(s) this trial relates to.

Cracked Tooth Syndrome Malocclusion Tooth Abnormalities Tooth Avulsion tooth disorder Tooth Fractures Tooth Injuries Tooth, Nonvital

As listed by the trial registrant

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

Contacts and locations

Locations

  • High Technical Center of Dentistry, School of Dentistry

    Hanoi, Hanoi, 10000, Vietnam

More trials for these conditions

Other studies related to the condition(s) this trial covers.