Oxygen and strontium isotopes, which are fixed in dental enamel 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
The paper gives a description of several changes of the surface layer during formation of artificial caries in enamel.
本文描述了在釉质人工龋形成过程中，表层的各种改变，包括层板状病变。
3
Touching up damage to accessible enamel and primer in a timely manner can prevent the formation of corrosion pits and reduce the need for excessive rework during overhaul.