Methods Separating roots was used for the conservative prosthetics of the molars residual roots and crowns which were selected. All these must be done after excellent root canal therapy.

方法选择磨牙的残根残冠，经完善的根管治疗后，采用分根法作保存修复。

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Methods Separating roots was used for the conservative prosthetics of the molars residual roots and crowns which were selected. All these must be done after excellent root canal therapy.

方法选择磨牙的残根残冠，经完善的根管治疗后，采用分根法作保存修复。

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