If there decayed teeth, it is necessary to repair to avoid caries penetrating into teeth, and attacking dental pulp or inflecting the surrounding tissues, then cause inflammation around root tip.

• 正常宝宝可半年检查一次，发现蛀牙要及早填补，防止龋病深入，侵犯牙髓或感染牙根周围组织，引起根尖周围炎症。