No drill, no needle? new study tests crowns that slip over cavities in children
NCT ID NCT07648654
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares two methods for treating cavities in children's back molars: the Hall Technique, which places a crown over the tooth without drilling or numbing, and the conventional method, which requires drilling and anesthesia. Researchers will track 200 children aged 5-8 to see which approach leads to better crown survival, less anxiety, shorter treatment time, and lower cost over 3 months. The goal is to find a gentler, effective option for kids.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Hall Technique (a procedure where a preformed metal crown is cemented over a decayed tooth without drilling or anesthesia) and conventional stainless-steel crown (a procedure involving drilling and anesthesia)
- What this could lead to
- If the Hall Technique works well, it could offer a less scary, faster, and cheaper way to treat cavities in children's back teeth, reducing anxiety and the need for drilling.
- What could go wrong
- This is a small, short-term study (200 children, 3 months follow-up). The Hall Technique may not work as well as the standard method in the long run, and there is a risk of the crown failing or decay worsening underneath.
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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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Pedodontics clinic - Faculty of Dentistry _ MTI University
RECRUITINGCairo, 11585, Egypt
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