随着镇痛药物研究的进展，新药不断产生，口腔医学与其它学科一样，面临着药物滥用与药物依赖性研究的重要课题。现临床所用各类镇痛药均受副作用的限制或国家麻醉药品管理的控制。由于牙痛病因复杂，疼痛程度不同，患者个体间对药物反应各有差异，如何合理使用镇痛药是临床工 With the progress of research on analgesics, new drugs continue to emerge. Stomatology, like other disciplines, is facing an important issue of drug abuse and drug dependence research. All types of analgesics used clinically are subject to side effects or the control of national narcotic drugs. Due to the complex causes of toothache, the degree of pain is different, individual patients have different responses to drugs, how to use analgesics is a clinical