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Peptide gel vs. calcium paste: which erases braces white spots best?

NCT ID NCT07146464

Symptom relief Sponsor: Ain Shams 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Updated 1 time

Summary

This study tests two treatments for white spot lesions—early signs of decay that often appear after braces. One is a peptide gel that helps rebuild enamel, and the other is a calcium paste that remineralizes teeth. Eighteen people aged 15 to 25 will get both treatments on different sides of their mouth, and researchers will track color and size changes over 9 months.

What this could mean

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

Active substance
Self-Assembling Peptide P11-4 (SAP P11-4) and Casein Phosphopeptide-Amorphous Calcium Phosphate (CPP-ACP)
What this could lead to
If it works, this could point toward a more effective, non-invasive treatment to improve the appearance of white spots on teeth after braces.
What could go wrong
This is a small, early-stage trial with only 18 participants, so results may not apply to everyone. The treatments only address appearance, not deeper decay, and long-term effects are unknown.

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 18 people

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

Started

Mar 2024

Expected to finish

Jun 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 25 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: * Age between 15 and 25 years * Presence of at least one tooth on each side of the anterior region (from right canine to left canine) affected by early carious lesions (ICDAS II code 1 or 2) * Lesion size and form must be fully visible and accessible * Willing and able to attend all study visits and follow instructions * Good general health and oral hygiene * Not taking any medication that affects salivary flow * Provided written informed consent Exclusion Criteria: * Evidence of tooth erosion * Prior fluoride varnish application before study treatment * Hypoplastic enamel defects or multiple restorations on facial surfaces of anterior teeth * High caries risk patients * Known or suspected allergy to milk proteins * Use of medications affecting salivary flow

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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.

Dental caries tooth demineralization Post-orthodontic esthetic defects

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

  • Faculty of Dentistry, Ain Shams University

    RECRUITING

    Cairo, Cairo Governorate, Egypt

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