对40例三叉神经痛(Ⅱ支)患者行眶下神经撕脱术的同时,也撕脱上齿槽前神经、上齿槽中神经、后上齿槽神经。其中24例患者经随访止痛效果满意,现介绍手术方法于下。 1.从患者的第一磨牙远中点中坯牙近中的前庭沟做蒂在上的弧形切口,深达骨膜,沿骨面向上剥离,翻瓣,暴露眶下神经。 40 cases of trigeminal neuralgia (Ⅱ branch) patients underwent infraorbital nerve avulsion, but also avulsion on the anterior superior alveolar nerve, upper alveolar nerve, posterior superior alveolar nerve. Among them, 24 patients were satisfied with the analgesic effect after follow-up, and the surgical method is introduced below. 1. From the patient's first molars far point midpoint of the vestibular groove near the dorsal incisors in the arc incision, deep periosteal, along the bone surface upward peel, flap, expose the infraorbital nerve.