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New study aims to make dental fillings less painful

NCT ID NCT07212413

Symptom relief Sponsor: University of Jordan 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two modern techniques for filling cavities in back teeth to see which causes less short-term sensitivity. One hundred adults needing two fillings will get one of each method, and report any discomfort over the first week. The goal is to help dentists choose the best approach for patient comfort.

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

100 people

The number who actually took part.

Started

Jan 2025

Expected to finish

Oct 2025

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

18 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Adult patients aged 18-50 years. * Systemically healthy individuals. * Presence of two posterior teeth in different quadrants or contralateral sides of the same arch requiring Class II composite restorations. * Teeth diagnosed with reversible pulpitis and vital pulps, confirmed clinically and radiographically. * Teeth without previous restorations or carious lesions limited to dentin. * Ability to provide informed consent and comply with study procedures and follow-up assessments. Exclusion Criteria: * Non-vital teeth, teeth with signs of irreversible pulpitis, periapical pathology, or extensive loss of tooth structure. * Patients with systemic conditions or medications that may influence pain perception, healing, or sensitivity (e.g., chronic pain syndromes, analgesic use, immunosuppressive therapy), or very poor oral hygiene. * Pregnant or breastfeeding women. * Known allergy to dental materials used in the study. * Inability to respond to follow-up calls or provide reliable pain assessments. * Teeth with previous restorations, endodontic treatment, or cracks.

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As listed by the trial registrant

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

Postoperative tooth sensitivity following class II composite restorations

Contacts and locations

Locations

  • Univeristy of Jordan Hospital, Dental Department

    Amman, Jordan