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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People with gum disease and dental decay are more likely to suffer.

那些有牙龈疾病或者是蛀牙的人会更容易有口臭.

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The domestic water supply is also fluoridated to reduce dental decay.

此外,本地的食水也加入了氟气来减低蛀牙机会.

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Apart from this, the domestic water supply is fluoridated to reduce dental decay.

此外, 本地的食水加有氟气,以减低蛀牙率.

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