Objective:To investigate the root canal sealing ability of the novel polyurethane liquid root canal filling material.

前言： 目的：了解新型聚氨酯类液体根充材料的根管密封性能。

youdao

Objective:To investigate the root canal sealing ability of the novel polyurethane liquid root canal filling material.

前言： 目的：了解新型聚氨酯类液体根充材料的根管密封性能。

youdao