In a small portion of patients, cysts and tumors occur around impacted wisdom teeth, requiring surgical extraction.

一小部分患者还会因为阻生智齿而出现囊肿和肿瘤，需要手术摘除。

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Objective:To investigate the superiority by using high speed air turbine drill in extraction of impacted mandibular teeth, especially in low mesioangular impaction and horizontal impaction.

目的：探讨高速涡轮机在辅助拔牙，特别是在下颌近中低位及水平位阻生牙的拔除中的优越性。

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Objective: To observe the effect of sedation and amnesia with propofol during extraction of the impacted teeth under local anesthesia.

目的：观察异丙酚与局麻合用在阻生齿拔除术中的镇静、镇痛、遗忘作用并与加用氯铵酮对比。

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