Evaluation of pulpal anesthesia and injection pain using IANB with pre-heated, buffered and conventional 2% lignocaine in teeth with symptomatic irreversible pulpitis-a randomized clinical study

一项随机临床研究：评估使用预热、缓冲和常规 2% 利多卡因进行下牙槽神经阻滞麻醉 (IANB) 治疗症状性不可逆性牙髓炎牙齿的牙髓麻醉效果和注射疼痛情况——一项随机临床研究