Enamelin is an enamel matrix protein that plays an essential role in the formation of enamel, the most mineralized tissue in the human body. Previous studies using animal models and proteins from natural sources point to a key role of enamelin in promoting mineralization events during enamel ...
A)hard B)harder C) hardest D)the hardest 2【题目】Enamel(牙釉质) isbody and keeps bacteria(细菌) away.A)hardB)harderC)hardest D) the hardest 3Enamel(牙釉质) is thing in the human body and keeps bacteria(细菌) away.A.hardB.harderC.hardestD.the hardest ...
Dental enamel is the most highly mineralized tissue in the human body. Its outstanding mechanical properties combine the extreme hardness and stiffness with exceptional resilience, which enables it to withstand hundreds of masticatory cycles with biting forces of up to 770 N1, in the harsh environm...
百度试题 结果1 题目 Enamel,the hardest substance in a human being's body,covers the entire crown of the tooth. A. B. C. D 相关知识点: 试题来源: 解析 A 该题您未回答:х 该问题分值: 1 答案:A 反馈 收藏
Enamel is considered the hardest substance in the human body. It's even harder than your bones; however, it's also susceptible to acid and build-up of bacteria. It can dissolve or decay when exposed to these substances. Enamel helps protect your teeth from daily use such as chewing, ...
1.rich in富有……的;the risk of……的危险;tooth decay龋齿。 2.联系前文Teeth problems are common around the world.描述,可知此处指的是另一个通常问题。故填:common, problem 3.Brush at least twice a day……Wear braces (牙套):it canmake your teeth straight and beautiful.描述,可知本文一共提...
Dental enamelis the hardest and most mineralized structure in the human body.Amelogenesiscommences with the bell stage of tooth development.Ameloblastsare located in theinner enamel epitheliumand undergo a sequence of maturation stages, which eventually enable them to produce a protein-rich enamel matr...
Enamel, the hardest substance in a human being’s body, covers the entire crown of the tooth. A. whole B. inseparable C. superficial D. main 如何将EXCEL生成题库手机刷题 > 下载刷刷题APP,拍照搜索答疑 > 手机使用 分享 反馈 收藏 举报 参考答案: A 复制 纠错 举一反三 2019年,X市...
Enamel, the hardest substance in a human being’s body, covers the entire crown of the tooth. A. whole B. inseparable C. superficial D. main 如何将EXCEL生成题库手机刷题 > 下载刷刷题APP,拍照搜索答疑 > 手机使用 分享 反馈 收藏 举报 参考答案: A 复制 纠错 举一反三 心理委员要...
Purpose. This in vitro study investigated wear of human enamel and 3 dental ceramics: a conventional porcelain (Vitadur Alpha), a low-fusing hydrothermal ceramic (Duceram-LFC), and a machinable ceramic (Vita Mark II) in a 3-body wear test. Material and methods. Thirty pairs of tooth-...