Abstract Objective Oral midazolam and nitrous oxide inhalation were commonly used sedative and analgesic techniques during tooth extraction. It is still controversial whether oral midazolam can replace the nitrous oxide inhalation for sedative and analgesic treatment of tooth extraction. Therefore. we conducted this study in order to provide a reference for doctors to choose effective... https://macorners.shop/product-category/heart-shaped-ring-gift-box/