Vibrating toothbrush, ice, or topical anesthetic agent to reduce pain of local anesthetic injection in 5- to 12-year-old children undergoing dental procedures — a randomized controlled trial. - Mittal, Meenu; Kumar, Ashok; Chopra, Radhika; Kaur, Gurvinder; Sharma, Sarang (Ain Shams Journal of Anesthesiology, 2023)