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Digital dental scans put to the test against old-school molds

NCT ID NCT06658366

Knowledge-focused Sponsor: University of Zurich Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether digital intraoral scans are as accurate as traditional dental impressions for capturing full-arch teeth. Ten healthy adults received both conventional impressions and multiple digital scans. Researchers compared the scans to see how precise and true the digital methods are.

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

10 people

The number who actually took part.

Started

Oct 2024

Finished

Apr 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 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: * All genders, minimum age for participation is 18 years * Good general health and healthy dental conditions (gaps with a maximum of 1 missing tooth are permitted) * Written consent after informed consent discussion is available Exclusion Criteria: * participants under the age of 18 * Addicts or participants with impaired cognitive abilities that do not allow the participant to assess the scope of the study * participants suffering from periodontitis (pathological tooth mobility could falsify the study results) * Maximal mouth opening less than 3.5 cm * participants who wear large reconstructive works and/or have a free-end situation from at least the 2nd premolar

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As listed by the trial registrant

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

Full-arch impression

Contacts and locations

Locations

  • University of Zurich, Center for Dental Medicine

    Zurich, 8032, Switzerland