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另一个持久的症状通常是牙釉质发育不全。 Another lasting symptom commonly is enamel hypoplasia. | ||
“酸会损伤牙釉质，使其软化。”Dr. Jones说。 "Acid weakens enamel and makes it softer," Dr. Jones says. | ||
他们使用电子顺磁共振测定了辐射对牙釉质的影响。 Their technique measures the warping of tooth enamel inflicted by radiation, detected in electron paramagnetic resonance. | ||
目的：了解上下颌第一磨牙牙釉质及牙本质的厚度。 Objective: To measure the thickness of enamel and dentin of the first molars. | ||
某些情况下，由于牙釉质变薄，牙齿需要做牙套保护或者拔除。 In some cases, teeth have to be capped or replaced because of thinning enamel. | ||
几分钟之后用清水漱口，因为长期接触柠檬酸对牙釉质有伤害。 Rinse after a few minutes, because long-term exposure to the acid in the lemon can harm tooth enamel. | ||
唾液也能洗刷使牙釉质更加坚固的钙，磷酸盐和氟化物。 Saliva also bathes teeth in calcium, phosphate and fluoride, which strengthen tooth enamel. | ||
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。 Oxygen and strontium isotopes, which are fixed in dental enamel at the time of tooth formation, were tested in 18 subjects. | ||
