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Dentists put cold, heat, and electric tooth tests to the test

NCT ID NCT07434622

Diagnosis Sponsor: Istanbul University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how well cold, heat, and electric pulp tests detect tooth nerve health in 175 adults needing root canals. Researchers compared test results to direct observation of nerve bleeding during treatment. The goal was to find which test is most accurate for diagnosing pulp disease.

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 choose the most reliable pulp test for diagnosing tooth nerve problems.
What could go wrong
This is a completed observational study, not a treatment trial. Results may not apply to all dental practices or patient groups.

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

175 people

The number who actually took part.

Started

Jun 2024

Finished

Feb 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.

Who is studied

Participants were selected from patients who presented to the Endodontics Clinic at Istanbul University Faculty of Dentistry (Istanbul, Türkiye), including patients referred from the Department of Oral and Maxillofacial Radiology, and who were evaluated in routine care and determined by clinicians to require endodontic treatment for at least one tooth.

Ages

18 to 80 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: * Age ≥ 18 years * At least one tooth indicated for root canal treatment confirmed at the Endodontics initial examination unit * Able and willing to provide written informed consent Exclusion Criteria: Tooth-related * Full-coverage crown * Extensive restoration affecting testing area * History of dental trauma (for the study tooth) * Root resorption * Incomplete root development (open apex) * Tooth fracture or crack * Regressed pulp chamber / pulp canal obliteration or calcified root canals Patient-related * Severe or uncontrolled systemic disease: ASA physical status 3-6

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Conditions

The condition(s) this trial relates to.

allergic disease dental pulp disorder dental pulp necrosis pulpitis

As listed by the trial registrant

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

Dental pulp disease Pulp necrosis Pulpitis - irreversible

Contacts and locations

Locations

  • Istanbul University Faculty of Dentistry

    Istanbul, Fatih, 34116, Turkey (Türkiye)

More trials for these conditions

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