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
2%利多卡因浸润或阻滞麻
,
利挖器平根管口切断牙髓,拭干
氢氧化钙糊剂
盖根髓断面,硬固,
层氧化锌粘固粉,磷酸锌粘固粉封洞。
