牙齿上的空洞是由龋蚀造成的。
他们也更可能有口干(口干燥症)，增加了龋坏风险。
They also are more likely to have dry mouth (xerostomia), which increases the risk of decay.
但是如果龋坏继续进行穿过表面的牙釉质，将会形成永久性损害。
But if the decay continues and breaks through the surface of the enamel, the damage is permanent.
结论：应加强对家长及儿童口腔健康教育，做好龋病的防治工作。
CONCLUSION: More oral health care service should be provided and much work should be done to prevent caries.
目的：探讨微量元素镧与龋病的关系。
Objective: To study the relation between microelement lanthanum and caries.
目的：观察氟保护漆和氟化钠的抗龋效果。
Objective: to observe the anti caries effect of Sodium fluoride and fluor protector.
目的探讨学龄前儿童龋病发生的相关因素。
Objective To explore the relative factors of dental caries of preschool children.
目的探讨固定修复术对深龋牙髓健康的影响。
Objective To evaluate the impact of fixed prosthesis on pulp tissue of deep caries.
目的研究氟化钠滴剂对儿童乳牙龋病的预防作用。
Objective To study the preventive effects of fluoride drop on dental caries for children.
目的探讨早期儿童龋病(ECC)的主要致病因素。
Objective To explore the major pathogenic causes of early childhood caries (ECC).
目的观察FX玻璃离子水门汀对老年龋病的治疗效果。
Objective To observe the curative effect of senile caries treated with FX.
目的：探讨鼻咽癌放疗患者放射性龋的有效预防方法。
Objective:To study the prevention methods of radiation caries for the patients with nasopharyngeal carcinoma receiving radiotherapy.
结论：伢典治疗磨牙龋可大大减少牙科恐惧症的产生。
CONCLUSION: Treatment of Carisolv on molar tooth caries can obviously decrease occurrence of dental fear.
目的：研究龋病预防措施对恒牙龋病预测效果的影响。
AIM: To find out if effective caries prevention could influence the caries predictive power.
目的为了进一步提高非龋性磨牙急性牙髓炎的诊断水平。
Objective To improve the diagnosis of acute pulpitis on molars without carious lesions.
结果表明这五种细菌都可以造成釉质脱矿，产生龋样损害。
The results showed that these bacteria can make demineralization of tooth enamel and produce caries-like lesions.
目的比较瓷化树脂与银汞合金治疗恒磨牙龋损的临床疗效。
Objective To compare the clinic effects between Tetric Ceram and amalgam in treating molar caries.
氟滴组和含氟牙膏组二者新增龋面均的差异无统计学意义。
There was no significant difference of the dfs reduction between fluoride drop and toothpaste group.
目的本研究的目的是对患有深龋的乳牙根管内细菌进行分析。
Objective To investigate the bacterial composition of infected root canal of human deciduous teeth with deep caries.
目的研究极固宁在深龋和可复性牙髓炎保髓治疗中的应用效果。
Objective To investigate the effect of Green on the cure of deep caries and reversible pulpitis.
在你牙齿原来大块填补物下边也有龋坏了。龋坏已经到了牙髓。
There's decay under a large filling. The decay is into the pulp of the tooth.
目的：评价伢典化学机械去龋法治疗乳牙龋齿的有效性和安全性。
Objective: To evaluate the clinical efficacy and safety of a new chemo-mechanical method for the removal of primary dental caries.
龋病相关细菌产生的细菌素可能与细菌的定植、黏附等致龋性有关。
The bacteriocins produced by caries-related bacteria may be related to the colonization, adhesion and other cariogenic characters of the bacteria.
目的：通过对牙本质龋中有机酸含量的测定，探讨牙本质龋形成原因。
Objective:To explore the causes of dentin caries by assay of the content of organic acids in carious dentin.
菌斑生物膜是粘附于牙齿表面的微生物团体，是龋病发生的始动因子。
Plaque biofilms, a well-organized microbial community on dental surface, is a major etiological factor of caries.
菌斑生物膜是粘附于牙齿表面的微生物团体，是龋病发生的始动因子。
Plaque biofilms, a well-organized microbial community on dental surface, is a major etiological factor of caries.
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