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%
多卡因浸润或阻滞麻醉,
挖器平根管口切断牙髓,拭干
氢氧化钙糊剂
盖根髓断面,硬
,
薄层氧化锌粘
粉,
磷酸锌粘
粉封洞。