Bacteria sticks to food debris in the teeth, causing decay. 细菌附着在牙缝中的食物残渣上,导致蛀牙。
Food debris is not easy to remain on the arch wire, which is favorable to oral hygiene maintenance and oral health holding. 食物残渣不易残留在弓丝上,有利于口腔卫生的维护及口腔健康的保持;
[ Conclusion] In order to prevent primary scholar ′ s caries during mixed dentition effectively, oral healthcare education, eliminating food debris, regular check and prophylactic treatment are crucial. 结论为有效防止8 ̄10岁小学生乳牙龋坏,加强口腔卫生知识宣教、控制软垢、定期检查和预防治疗是关键。