Oxygen and strontium isotopes, which are fixed in dentalenamel at the time of tooth formation, were tested in 18 subjects.
在18件样本上检测了氧和锶的同位素。这两种元素在牙齿成型时，会固定在牙釉质上。
2
A study review in the British dental Journal (BDJ) found that sugar-free foods and drinks contain acidic additives that may cause dental problems by eroding the enamel on consumers' teeth.
BDJ(英国牙科杂志)的一篇研究评论发现，含有酸性添加剂的无糖食物和饮料可能会腐蚀牙齿珐琅质。
3
They can cause microscopic cracks in the surface of the enamel, which could lead to bigger dental problems over time.