牙髓根尖周病是一种主要由细菌感染引起的、机体免疫系统参与的疾病。
The periapical disease and the pulp disease are the endodontic disease which mostly caused by infection of bacterium and are connected with immune system.
牙髓根尖周病是一种主要由细菌感染引起的、机体免疫系统参与的疾病。
The periapical disease and the pulp disease are the endodontic disease which mostly caused by infection of bacterium and are connected with immune system.
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