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Dental crown removal: how fast do gums shift?

NCT ID NCT06783595

Knowledge-focused Sponsor: Loma Linda University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tracks how the gums around a dental implant change shape right after the temporary crown is taken off. Researchers will use a 3D scanner to measure the gum area over 15 minutes in 34 adults who already have a front tooth implant. The goal is to find out how much time is needed before taking a mold for a new permanent crown, so the final crown fits better.

What this could mean

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

What this could lead to
If successful, this could help dentists know how long to wait before taking a mold for a new crown, improving fit and appearance.
What could go wrong
This is a small, early observational study with only 34 people, so results may not apply to everyone. It measures temporary changes, not long-term outcomes.

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.

Participants

About 34 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

Who is studied

Patients selected for the participation in the study will be solely from the Center of Implant Dentistry at Loma Linda University School of Dentistry.

Ages

18 years and older

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: * Patient must have a maxillary anterior immediate implant and provisionalization treatment completed. * The adjacent tooth next to the implant should be a natural tooth * The temporary crown must have been in place for a minimum of 4 months * The patient needs to be of general good health, with no significant medical history or social habits that might directly affect the hard and soft tissue * Patient must have generally good oral hygiene without any history of gum disease or gum recession of other teeth around the region of interest Exclusion Criteria: * Patient with an implant crown that has no teeth next to the implant crown * Patients who have an active gum disease

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Conditions

The condition(s) this trial relates to.

Tooth Loss

As listed by the trial registrant

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

Implant site reaction Tooth loss

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Loma Linda University - Center of Implant Dentistry

    RECRUITING

    Loma Linda, California, 92350, United States

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