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Pucker up! kissing may fight cavities, study finds

NCT ID NCT06501729

Knowledge-focused Sponsor: Universidad Catolica Santiago de Guayaquil 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether kissing can protect teeth from cavities. After drinking acidic beverages, one group kissed their partner for 40 seconds while a control group did not. Researchers measured saliva pH every 5 minutes to see if kissing helped neutralize acid faster. The goal was to see if kissing could help prevent tooth decay by quickly raising pH levels.

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

33 people

The number who actually took part.

Started

Jul 2024

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

18 to 30 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: * They must be in good health * They must have good oral health according to the raised loss and observed index. * They will be between 18 and 30 years old to reduce the probability of consuming medications that alter salivary pH. Exclusion Criteria: * Be taking medications that alter the pH of saliva. * Have abscesses in the oral cavity

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Conditions

The condition(s) this trial relates to.

enamel caries Tooth Demineralization tooth resorption dental caries prevention target

As listed by the trial registrant

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

Dental caries Teeth erosion limited to the enamel Tooth demineralization

Contacts and locations

Locations

  • School of Dentistry of the Catholic University Santiago de Guayaquil

    Guayaquil, Guayas, 17-11-5058, Ecuador

More trials for these conditions

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