This clinical study tested and compared two ways (cold-base technique or "cryoanesthesia" and conventional benzocaine gel) to reduce pain from dental injections in children. Researchers worked with 28 children between 6 and 12 years old who needed injections on both sides of the lower jaw for dental treatment. Each child received cryoanesthesia on one side and 20% benzocaine gel on the other side, in different appointments, and the team measured pain, behavior, heart rate, and blood oxygen levels.
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Pain perception
Timeframe: Baseline: At the time of the anesthetic injection (or needle puncture) at the oral mucosa.