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Faustick has cleaned his teeth after every meal for thirteen years and has not had a single decayed tooth.

福斯蒂克已经连续13年每顿饭后都刷牙，一颗蛀牙也没有过。

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The faster the pulse repetition rate, the wider the spacing between the teeth, making each individual tooth easier to identify.

脉冲重复率越高，齿间距越大，各个齿之间也越容易分辨。

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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

Dental erosion involves demineralisation where teeth are attacked by acids and tooth enamel is consequently worn away.

BBC: Tea 'good for teeth'

"The fact she had her teeth extracted several years before her death because of what her family believed was Coke-induced tooth decay, and the fact that one or more of her children were born without enamel on their teeth, should have been treated by her, and by her family, as a warning, " TVNZ quotes his statement as saying.

BBC: Coca-Cola bottles (Archive shot)