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Dentists test if decay location determines tooth survival

NCT ID NCT07578662

Disease control Sponsor: Postgraduate Institute of Dental Sciences Rohtak 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether the position of a deep cavity (on the chewing surface or between teeth) affects how well a tooth-saving procedure called direct pulp capping works. Researchers will treat 154 people aged 15-40 with reversible pulpitis, a condition where tooth pain goes away quickly after a trigger. The goal is to see if teeth heal better when decay is on top versus between teeth, using X-rays and pain checks over 12 months.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
direct pulp capping procedure
What this could lead to
If successful, this could help dentists choose better treatments for deep cavities, potentially saving more teeth from root canals.
What could go wrong
This is a small, early-stage study with only 154 participants. Results may not apply to all patients, and the procedure may fail if bleeding cannot be controlled.

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 154 people

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

Started

Apr 2026

Expected to finish

Apr 2028

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 40 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: 1. Mature permanent mandibular molars with extremely deep caries that penetrate the entire thickness of dentine as detected on radiograph with reversible pulpitis will be included. 2. Participant with Reversible pulpitis will be diagnosed clinically based on discomfort experienced by the participant when a stimulus such as cold or sweet is applied and goes away within a couple of seconds following the removal of the stimulus, with no significant radiographic changes in the periapical region of the suspect tooth and the pain experienced is not spontaneous. 3. The pulpal sensibility will be confirmed through positive response to electric and cold tests (Endo frost) and the presence of bleeding after caries excavation. 4.Pulpal and the periapical diagnosis will be established based on the diagnostic terminology approved by American Association of Endodontists (AAE, 2019). 5.Teeth with a negative response to palpation and percussion testing and radiographic finding of periapical index (PAI) score ≤2 and healthy periodontium (probing pocket depth ≤3 mm and mobility within normal limit) will be included. 6.Teeth in which hemostasis achieved within 5 mins will be included. 7.Only pulp exposures with size 0.5-1 mm will be included \- Exclusion Criteria: 1. Mechanical or pulp exposure due to trauma 2. absence of exposure after excavation of caries 3. failure to achieve hemostasis within 5 mins 4. irreversible pulpitis and teeth having periapical lesions 5. periodontal disease, resorptive defects, calcified canals, as assessed by radiographic examination will serve as criteria for exclusion. 6. Also immunocompromised, Pregnant and subjects having systemic diseases will be excluded -

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Conditions

The condition(s) this trial relates to.

dental caries dentin caries pulpitis

As listed by the trial registrant

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

Extremely deep caries Reversible pulpitis

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

  • PGIDS Rohtak, Rohtak, Haryana 124001

    RECRUITING

    Rohtak, Haryana, 124001, India

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