The hardest substance in the body is tooth enamel. Tooth enamel is the coating on the outside of teeth. While this substance is extremely hard, it is...Become a member and unlock all Study Answers Start today.
题干What material is this set of false teeth made ___? 意为这副假牙是用什么材料做的? A选项make in 后面接的是地方,地点,在哪里制作的. B选项make from 后面接的也是制作的原材料.但原材料不容易看出. C选项make of后面接的是制作的原材料,而且这原材料能被人看出. D选项make with作出,产生.反馈 ...
doi:10.1515/9781400884759-008UngarPeter S.
In other words, without nitrogen, the cells in your body couldn't store genetic information or replicate. A bonus element, the fifth most common in the human body, is calcium, which makes up 1% to 2% of humans by mass. More than 99% of that calcium is found in the bones and teeth,...
What is the cutting teeth?Question:What is the cutting teeth?Types of Human Teeth:Adult humans have 4 types of teeth, each with a specific purpose for the mechanical digestion of food. These are the incisors, canines, premolars, and molars.Answer...
One of the worst parts of having CPTSD is knowing a conversation is too much, being incapable of saying that and just experiencing it like an extension of trauma. All while going through therapy to deal with whatever trauma caused the shit in the first place. All while loud sounds have yo...
Uncover the impact of sugar on your teeth with our informative guide. Learn about the effects of sugar on dental health, including cavities and gum issues.
14. What made the woman change her mind? A. The outbreak of COVID-19. B. The lockdown of schools. C. The reduction of income. 15. Why does the woman apply for a medical school? A. She is interested in studying medicine. B. She wants to meet her parents’ need. C. She looks...
The12universe The furthest humans can see out into space,using all the technology currently available to us,is 46 billion light years (alight year is the distance that light can travel in one year,and is equivalent to about 9. 5 million million kilometres). The13of space that humans can ...
As a result, doctors can use PMMA material to make dentures and fillings that closely match the size and color of the original teeth. PMMA material has also made it into the eye. Historically, it was used as hard contacts or intraocular lenses. ...