pericpical periodontitis 基本例句 根尖周炎 Some clinical case reports have shown that immature permanent teeth with periradicular periodontitis or abscess can undergo apexogenesis after conservative endodontic treatment.一些临床病例报告显示,在进行保守的牙髓治疗后,根尖周炎或脓肿的年轻恒牙可以进行牙根尖继续生长。