This study tested whether a needle-free injection system (INJEX) causes less pain and leads to better behavior in children during dental fillings compared to traditional needle syringes. 50 children aged 7-10 years had one cavity treated with the needle-free system and another wi…
Phase: NA • Sponsor: University of Jazan • Aim: Symptom relief
Last updated Apr 01, 2026 14:41 UTC