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Deep cavity showdown: which cleaning method saves the tooth?

NCT ID NCT07041905

Disease control Sponsor: Cukurova 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests two methods for cleaning deep cavities in permanent teeth: removing all decayed tissue (total removal) or leaving a thin layer near the nerve (selective removal). Researchers want to see which approach better keeps the tooth alive and causes less pain after treatment. Fifteen people with two similar deep cavities will each get both methods (one per tooth) and be followed for a year.

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 best way to treat deep cavities to keep the tooth alive and reduce pain.
What could go wrong
This is a very small early study (15 people) and results may not apply to everyone. It only looks at short-term outcomes, not long-term tooth survival.

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

About 15 people

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

Started

Jul 2025

Expected to finish

Aug 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.

Ages

15 to 55 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: * Patients aged ≥15 years with bilateral deep carious mature permanent teeth. * Positive vitality test (cold sensitivity). * No spontaneous pain or periapical radiolucency. * Willingness to attend 6- and 12-month follow-ups Exclusion Criteria: * Uncontrolled systemic diseases Pregnancy or allergy to dental materials used Teeth with irreversible pulpitis (spontaneous pain, necrosis) Non-restorable teeth (fractures, extensive decay)

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Conditions

The condition(s) this trial relates to.

dental caries dentin caries exposure, dental pulp

As listed by the trial registrant

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

Deep dental caries Pulp exposure, dental

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

  • Cukurova University

    RECRUITING

    Adana, Turkey (Türkiye)

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