1.Methods Apexification treatment with calvital and infectious control was applied to 28 immature permanent teeth from 24 patients with pulpitis or periapical periodontitis.

1.采用控制感染加钙物的根尖诱导成形术疗24例患者28颗根尖尚未成并患有牙髓炎或尖周炎的年轻恒牙。