The elderly Chang Kou teeth tooth, tooth health is good.

老年者常扣齿则健齿，齿健则福。

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If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.

以前如果牙齿蛀牙蛀到牙髓腔，由于当时根管治疗的技术并不发达，牙齿几乎难逃拔掉的命运。

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Sugar can cause tooth decay by being used as a food source for the bacteria found on our teeth, which causes plaque.

糖通过被那些存在我们牙齿的引起斑块的细菌作为一种食物来源，可以导致牙齿腐烂。

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

BBC: Tea 'good for teeth'

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

"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)