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Battle of the white spot busters: paste vs. resin for Post-Braces cavities
NCT ID NCT05733676
First seen Jun 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time
Summary
This trial compares two treatments for white spot lesions—early cavities that appear as milky-white marks on front teeth after braces. One treatment uses a special paste (MI Paste Plus) combined with etching, while the other uses a resin infiltration technique (Icon). The study involves 62 people aged 12–21 who have at least one white spot after orthodontic treatment. Researchers will track how well each treatment stops the lesion from progressing and improves its appearance over 18 months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- MI Paste Plus (casein phosphopeptide-amorphous calcium phosphate with fluoride) and resin infiltration (Icon)
- What this could lead to
- If one treatment proves clearly better, dentists may have a more effective, esthetic option to reverse early cavities after braces, reducing the need for fillings.
- What could go wrong
- This is a small, early-stage trial with only 62 participants. Results may not apply to everyone, and long-term effects beyond 18 months are not studied.
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 62 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2023
- Expected to finish
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Oct 2028
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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12 to 21 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Individuals in the age range of 12-21 years who had undergone fixed orthodontic appliance therapy for a duration of 12-36 months. * Should have at least one white spot lesion on the labial surface of either maxillary or mandibular anterior teeth after debonding. Lesion visible with or without drying the lesion surface. * Patients with mild to moderate plaque accumulation. Fair oral hygiene. With a simplified Oral Hygiene Index of no more than 1.3-3.0 Exclusion Criteria: * Poor oral hygiene Simplified Oral Hygiene Index of 3.1-6.0 or more * Patients with hypoplasia or any developmental defects on the buccal of upper or lower incisors * Patients with any restorations on the buccal of upper or lower incisors * Patients that have presented WSL on the buccal of upper or lower incisors before orthodontic treatment was initiated. * Patients that have received any re-mineralizing agent other than regular toothpaste during the last three months * Patient with allergy to milk or any of their products * Patient with any medical / oral or mental condition * Patients or legal guardians that does not speak or read English
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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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KAYE Edmonton Clinic
RECRUITINGEdmonton, Alberta, T6G 1Z1, Canada
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Nature's tooth repair? peptide vs resin for Post-Braces white spots
- Toothpaste that rebuilds enamel? a lab test pits bioactive glass against resin
- Retainer type may shape gum bacteria in ways that matter for oral health
- Could a simple liquid stop cavities without drilling?
- Could a Tooth-Friendly coating on clear aligners stop white spots before they start?
- Braces without the spots: antiseptic solution may protect teeth during orthodontics