继发龋
the effect of health education on recurrent caries in children with deciduous caries
健康教育对患儿再患乳牙龋的影响
The second reason were abutment recurrent caries and then dummy breaking, gingivitis and periodontitis etc.
基牙继发龋病占第二位;其余为破裂 、 牙龈炎、外观不满意等.
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