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Could a simple questionnaire stop unnecessary dental work?

NCT ID NCT07453511

Diagnosis Sponsor: University College, London 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

Trigeminal neuralgia causes sudden, severe facial pain often mistaken for a toothache, leading to wrong treatments. This study tests a 15-question screening tool in 250 adults with facial pain to see if it can accurately identify possible trigeminal neuralgia before a specialist visit. If it works, the questionnaire could help dentists and GPs make faster, correct referrals.

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 questionnaire could help dentists and doctors quickly identify trigeminal neuralgia, leading to faster referrals and fewer unnecessary dental treatments.
What could go wrong
This is an early validation study, not a treatment trial. The questionnaire may not be accurate enough in real-world settings, and results may not apply to all patients.

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 250 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

May 2027

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

Participants will be recruited from two clinical settings at University College London Hospitals (UCLH): the Facial Pain Service and the Oral Surgery Clinic. Eligible participants will be identified using clinic codes that indicate first-time attendance for pain-related referrals from primary care. This population includes individuals referred from primary care because of facial pain, dental pain, or suspected orofacial pain conditions, including trigeminal neuralgia.

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: * Adults aged 18 years or older * Attending the UCLH Facial Pain Service or Oral Surgery Clinic for their first appointment for facial or oral pain following referral from primary care Exclusion Criteria: * Not experiencing facial or oral pain * Unable to understand English well enough to complete the questionnaire * Lacking capacity to provide informed consent * Insufficient time before their appointment to read the information sheet, provide consent, and complete the questionnaire

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Conditions

The condition(s) this trial relates to.

Facial Pain Toothache trigeminal neuralgia

As listed by the trial registrant

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

Dental pain Orofacial pain Questionnaire Trigeminal neuralgia (TN)

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

  • University College London Hospitals NHS Foundation Trust (UCLH) - Eastman Dental Hospital

    London, UK, United Kingdom

More trials for these conditions

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