Commonly known as tooth decay dental caries, dental common multiple.

龋齿俗称蛀牙，是牙科常见的多发病。

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Dental decay, also known as dental caries, begins first inside the tooth.

牙齿腐坏，就是龋齿，首先会减弱牙齿内的保护。

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The proper use of topical and systemic fluoride has resulted in major reductions in dental caries (tooth decay) and its associated disability.

正确使用局部和全身的氟化物，导致大量减少龋齿(蛀牙)和其相关的残疾。

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Left untreated, what's termed "early dental caries" -- the first stage of tooth decay -- can destroy tiny teeth and lead to infection, pain, and lifelong consequences.

CNN: Baby's teeth: What you should know