What Is Tooth Enamel? Did you know that enamel is the hardest substance produced in your body? This material covers each tooth and provides a tough outer layer. The surface of your teeth is made of enamel, giving them their distinct look. Enamel owes its incredible hardness to its structure...
百度试题 结果1 题目The diagram shows a tooth with signs of decay.enamel decay What has made the hole in the enamel of the tooth? A A acid B saliva C sugar D toothpaste 相关知识点: 试题来源: 解析 A 反馈 收藏
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Enamelis the hardest substance in the human body and contains the highest percentage of minerals, 96%, with water and organic material composing the rest. The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate. Can be used to examine the level of alveolar bone in the m...
made from protein that forms on the surface tooth enamel. Forming just seconds after a tooth cleaning, pellicles are created from the selective absorption of saliva elements onto the surface of the teeth. Though a normal biological function, this formation is the first step of plaque development....
What is ectoderm made of? Generally speaking, the ectoderm differentiates to formepithelial and neural tissues(spinal cord, peripheral nerves and brain). This includes the skin, linings of the mouth, anus, nostrils, sweat glands, hair and nails, and tooth enamel. Other types of epithelium are ...
What Is Enamel? It's the hardest tissue in your body. Enamel is made up of a highly organized structure of calcium phosphate crystals and can last for many decades. Enamel has to withstand some harsh conditions in your mouth. Acids from foods andbacteriaare constantly eating away at it...
The most abundant mineral in the human bone is Calcium. It is also the most abundant mineral in the whole body, with more than 99% of it being in the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
Tooth decay (dental caries) is tooth damage caused by decay-causing bacteria in your mouth producing acids that attack the tooth's surface or enamel. A cavity, which is a small hole in a tooth, can result from this. Tooth decay, if left untreated, can cause pain, infection, and even ...
And what can you do to ensure your smile lasts the distance? First, what are teeth made of? The tooth crown is covered by a hardenamelcoat that surrounds softer, brown dentine, which protects a centrally located pulp. Enamel is a complex weave ofbrittle, honeycomb-clustered strands that in...