Methods dip 2% lidocaine or impede narcosis, use the acuity exonerative plane root slot cut endodontium,after drying overlay thin hydrochloride zinc and than using the zinc phosphate to mount.
方法用2%利多卡
或阻滞麻醉,用锐利挖器平根管口切断牙髓,拭干后用氢氧化钙糊剂
盖根髓断面,硬固后,薄层氧化锌粘固粉,用磷酸锌粘固粉封洞。
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