New study tests gentler crown method for Children's cavities
NCT ID NCT07295574
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two methods for fixing cavities in children's back teeth: the Hall Technique (a less invasive approach) and traditional stainless-steel crowns. Researchers will measure bite force, jaw changes, and child comfort in 22 kids aged 6-9. The goal is to see if the gentler method works just as well as the standard one.
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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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About 22 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2026
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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6 to 9 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.
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: 1. Systemically healthy children 2. Age ranging from 6 to 9 years 3. Cooperative behavior (positive rating on the Frankl Behavior Rating Scale) 4. Unrestored carious primary molar 5. Extent of caries radiographically confined to dentin (≤ or \> ½ dentin thickness) 6. Tooth must be vital and symptomless, with no clinical or radiographic signs of pulpal pathology Exclusion Criteria: 1. Children with special health care needs 2. Temporomandibular disorders, bruxism or parafunctional habits 3. pathological facial swelling 4. periodontal diseases such as gingivitis, drug-induced gingival enlargement, juvenile or aggressive periodontitis 5. Any child showing mobility, bone loss, or signs of pulpal pathology is also excluded from the study.
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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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Cairo University
Cairo, Giza Governorate, 12613, Egypt
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Other studies related to the condition(s) this trial covers.
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