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利多卡因是目前国外牙科临床应用最广泛的一种局部麻醉药,国内也日趋有取代普鲁卡因局麻之势。利多卡因具有麻醉作用和穿透力均比普鲁卡因强;在组织内弥散较广而快;作用强度约为普鲁卡因的1倍;持续时间约为普鲁卡因长0.5—1倍;低浓度利多卡因毒性与普鲁卡因相近;而过敏反应罕见等特点。临床上一般作为安全性较大的局部麻醉药使用。口腔临床也常规用于对普鲁卡因过敏或高
Lidocaine is currently the most widely used in clinical dental abroad, a local anesthetic, the domestic replacement of procaine has the tendency of local anesthesia. Lidocaine anesthesia and penetration than procaine are stronger; within the organization diffuse faster and wider; the intensity of action is about 1 times the procaine; duration of about procaine 0.5- 1 times; low concentration of lidocaine toxicity similar to procaine; and allergic reactions rare. Generally clinically used as a more safe local anesthetic. Stomatology is also routinely used for procaine allergy or high