以2％盐酸苯海拉明1ml与2％苯甲醇溶液2ml混匀,即成0.5％盐酸苯海拉明苯甲醇混合液。 术区以棉球隔湿,再以以上混合液3～4滴滴于术区粘膜表面,隔3～4分钟重复滴1～2次;或用棉片醮以上混合液贴敷于术区粘膜表面。一般10分钟右左可产生满意的麻醉效果。 本组100例,男52例,女48例。年龄4～60岁。用于牙周浓肿,牙龈切开,或不同程度松动牙拔 With 2% diphenhydramine hydrochloride 1ml and 2% benzyl alcohol solution 2ml mix, Serve 0.5% diphenhydramine hydrochloride benzyl alcohol mixture. Surgery area with cotton balls separated from the wet, and then the above mixture of 3 to 4 drops in the surgical mucosal surface, every 3 to 4 minutes repeated 1 to 2 drops; or cotton patch 醮 above mixture applied to the mucosa surface. Generally about 10 minutes to produce a satisfactory anesthetic effect. The group of 100 patients, 52 males and 48 females. Age 4 to 60 years old. For periodontal swelling, gingival incision, or varying degrees of loose tooth extraction