Simple lessons could save teeth after Weight-Loss surgery
NCT ID NCT06617689
First seen Jul 20, 2026 · Last updated Jul 21, 2026 · Updated 1 time
Summary
This study tests whether different types of patient education—group classes, a website, or free dental hygiene samples—can improve drinking habits and oral care in people who have had bariatric surgery. Many patients face tooth decay and enamel erosion after surgery due to changes in diet and eating patterns. The trial will randomly assign 300 participants to one of three educational approaches and track their knowledge, drinking patterns, and self-reported oral health.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- patient education programs (group teaching, website, dental hygiene samples)
- What this could lead to
- If effective, these simple educational tools could help bariatric surgery patients maintain better oral health and prevent tooth decay.
- What could go wrong
- This is a relatively small, single-country study that relies on self-reported outcomes, so results may not apply broadly or prove long-term benefit.
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
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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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Eligible for bariatric surgery at a Norwegian hospital Exclusion Criteria: * Insufficient language skills * Lack of consent competency
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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St. Olavs hospital
RECRUITINGTrondheim, Norway
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