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Could a simple spray stop baby bottle tooth decay?

NCT ID NCT07269730

Disease control Sponsor: Tri-Service General Hospital (TSGH) 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Aug 21, 2026 · Updated 6 times

Summary

This study tested whether spraying a calcium-based solution on children's teeth could reduce cavity-causing bacteria. Fifteen toddlers with early tooth decay used either a placebo, a calcium spray, or a calcium-plus-fluoride spray for two months. Researchers measured changes in saliva calcium, plaque bacteria, and the size of decayed areas.

What this could mean

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

Active substance
calcium-based oral spray (with or without fluoride)
What this could lead to
If it works, this could lead to a simple spray that helps prevent cavities in young children.
What could go wrong
This is a very small, early trial with only 15 children. Results may not apply to all kids, and the effect on actual cavities is not yet proven.

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

15 people

The number who actually took part.

Started

Jun 2023

Finished

Nov 2025

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

3 to 15 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: Required participants to have an ICDAS code ≥ 1 and ≤ 3 as determined by a clinician. Exclusion Criteria: 1. Patient has received caries removal and restoration. 2. Patient has received fluoridation within 3 months. 3. The parents do not agree to participate in the study. 4. Patient has ICDAS code 4 - code 6

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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 Early childhood caries (ECC)

Contacts and locations

Locations

  • Tri-Service General Hospital

    Taipei, Taiwan, 11490, Taiwan

More trials for these conditions

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