Which toothbrush works best for kids with special needs? study finds out!
NCT ID NCT07373249
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a triple-headed toothbrush removes more dental plaque than a regular single-headed toothbrush when parents brush the teeth of preschool children with developmental disabilities. Twenty-four children aged 3 to 6 years participated, and each child tried both toothbrush types in a random order. The goal was to find a more effective and satisfying brushing tool for families.
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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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24 people
The number who actually took part.
- Started
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Jun 2025
- Finished
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Oct 2025
- 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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3 to 6 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Developmental disability children aged 3 to 6 years old who have full primary dentition. * The caregivers who responsible for brushing their child's teeth that must be the same person throughout the study and able to attend both study sessions Exclusion Criteria: * Developmental disability children who have periodontal disease, soft tissue ulcers or gingival abscess. * Developmental disability children who have missing tooth more than one tooth per sextant. * Developmental disability children who have definitely negative behavior (Frankl behavior rating scale one) (89) during oral examination * Parents of Developmental disability children who have a physical or mental disability which may influence to their brushing ability.
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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.
Contacts and locations
Locations
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Tung Song Hong community center for preschool mentally retarded and the Dental Department at Bangkruai Hospital
Bangkok, Thailand