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一些患者对局麻药注射时的疼痛常有恐惧心理。用酰胺类局麻药,即利多卡因和布匹卡因进行局部浸润麻醉时常有这种情况。研究证明,延长浸润时间可减轻疼
Some patients on the local anesthetic injection often have the fear of pain. This is often the case with topical anesthetic amides, lidocaine and lidocaine for local infiltration anesthesia. Studies have shown that prolonged immersion time can reduce pain