Laser before numbing gel could mean less pain at the dentist
NCT ID NCT07169032
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether using a special laser before applying numbing gel can reduce pain during dental procedures. Twenty adults were split into three groups: laser plus numbing gel, fake laser plus numbing gel, or fake laser plus plain Vaseline. Researchers measured pain levels and heart rate when a tiny needle touched the gums.
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Locations
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the First Affiliated Hospital of Jinan University
Guangzhou, Guangdong, 510000, China
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