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Can a new filling material reduce Post-Dental-Work tooth pain?

NCT ID NCT07765901

Symptom relief Sponsor: Prime Foundation 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Last updated Aug 21, 2026 · Updated 1 time

Summary

This trial asks whether a newer 'bulk-fill' composite filling causes less tooth sensitivity after cavity repair than the traditional layer-by-layer method. Dentists often apply standard fillings in thin layers to avoid shrinkage gaps, but bulk-fill materials can be placed in thicker layers, potentially saving time. The study will compare post-operative sensitivity in adults aged 18-40 with class I cavities in molars, measuring discomfort one week after the procedure.

What this could mean

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

Active substance
bulk-fill composite filling material
What this could lead to
If bulk-fill composites prove less likely to cause post-filling tooth sensitivity, dentists could adopt them more widely, making cavity treatments faster and more comfortable for patients.
What could go wrong
This is a single-center trial, and results may not apply to all patients or dental practices. Sensitivity outcomes can vary with technique and individual tooth conditions, so findings may not be definitive.

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 220 people

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

Expected to start

Jan 2027

An estimate. Start dates often move.

Expected to finish

Jun 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.

Ages

18 to 40 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 * Age of patient should range from 18-40 years. * Teeth with class I carious lesion in maxillary and mandibular 1st and 2nd molar is included. * The depth of cavity should be 4mm (with no sensitivity) * Pulpal and periapical pathology should be absent confirmed through radiograph and clinical tests Exclusion Criteria: * The patient must not have any of the following Irreversible pulpitis Necrotic pulp Previous restoration in tooth Periodontically compromised tooth Painkiller history for past 1-2 days Not undergone crown cutting Bruxism or clenching habits Cracked tooth syndrome Pre-existing hypersensitivity Occlusal trauma

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

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

To compare post operative sensitivity To compare the frequency of postoperative sensitivity following bulk-fill composite and conventional incremental composite restorations

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

More trials for these conditions

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