The m. extensor hallucis brevis and m. extensor digitorum brevis and their blood vessels and nerves of 30 feet of Chinese cadavers are observed and measured under the operative microscope.
在肉眼和手术显微镜下，观测了30侧（足母）短伸肌、趾短伸肌以及它们的血管和神经。
Methods: the total of 232 root canal in 159 teeth of 135 patients who need root canal retreatment of the permanent molar were treated by using dental operative microscope and ultrasonic technique.
方法：对135例需要恒磨牙根管再治疗患者的159颗恒磨牙(232个根管)用显微超声技术进行再治疗，按牙位及治疗原因分类，比较成功率。
Objective To explore the operative method and effect of intracerebral minor lesions with combined stereotactic with microscope.
目的：探讨应用立体定向结合显微镜手术切除脑内小病灶的方法及疗效。
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