Evaluation of Radiation-Free Caries Detection Integrated Into Intraoral Scanners Compared With Conventional Diagnostic Methods

January 13, 2026 updated by: Albert Mehl

Clinical Performance of an Intraoral Scanner With Integrated Caries Detection

The goal of this study is to evaluate if an intraoral scanning device with an integrated radiation-free caries detection tool (near-infrared light) can detect early tooth decay.

The main questions it aims to answer are:

Can the tool find tooth decay as accurately as traditional visual and X-ray examinations? How reliable is the tool when used by different dentists?

Participants will:

  • Have one tooth scheduled for extraction. This tooth and its adjacent teeth need to be examined before the extraction by using the intraoral scanner with the caries detection tool, which takes about 5 extra minutes. Those results will be compared to the standard dental examination, including visual inspection and X-rays.
  • Allow investigators to check the extracted tooth and the neighboring teeth directly after extraction to see if any carious lesion is visible.

This study does not involve any drugs or invasive procedures beyond the planned tooth extraction, and participants will not be exposed to extra radiation. The results will help dentists detect tooth decay, which may allow less invasive treatments and better prevention.

Study Overview

Study Type

Interventional

Enrollment (Estimated)

50

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

    • Canton of Zurich
      • Zurich, Canton of Zurich, Switzerland, 8032
        • University of Zurich - Center for Dental Medicine
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • All genders, minimum age for participation is 18 years
  • Presence of a tooth, that is already scheduled for extraction (indication for extraction diagnosed during the normal clinical service independently of this study by a qualified dentist)
  • Availability of a radiograph (X-ray) showing the tooth to be extracted along with adjacent teeth
  • Signed informed consent after a comprehensive explanation of the study 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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: intraoral scan
The intervention in this study is the addition of a non-invasive intraoral scan of the tooth scheduled for extraction and its adjacent teeth using the iTero Lumina device. This scan is CE-certified, performed according to the manufacturer's instructions, takes approximately 5 minutes, involves no radiation, and does not change the standard dental treatment. All other procedures, including visual examination, radiographs, and tooth extraction, are part of routine care and are not affected by the study.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Performance of the caries detection tool, integrated in intraoral scanning system in terms of sensitivity, specificity and reliability.
Time Frame: From the enrollment at four weeks.
From the enrollment at four weeks.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Albert Mehl, Prof. Dr. Dr., University of Zurich, Center for Dental Medicine

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

April 1, 2026

Primary Completion (Estimated)

April 1, 2027

Study Completion (Estimated)

July 1, 2027

Study Registration Dates

First Submitted

January 13, 2026

First Submitted That Met QC Criteria

January 13, 2026

First Posted (Actual)

January 15, 2026

Study Record Updates

Last Update Posted (Actual)

January 15, 2026

Last Update Submitted That Met QC Criteria

January 13, 2026

Last Verified

December 1, 2025

More Information

Terms related to this study

Other Study ID Numbers

  • 2025-01988

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

The ethics application, which has already been approved, contains clear provisions on data protection. There is no provision for data to be passed on; accordingly, the investigators must protect all personal data and may not pass it on to third parties.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

product manufactured in and exported from the U.S.

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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Clinical Trials on intraoral scan with integrated caries detection tool

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