Define neck of tooth. neck of tooth synonyms, neck of tooth pronunciation, neck of tooth translation, English dictionary definition of neck of tooth. n. 1. Anatomy a. The part of the body joining the head to the shoulders or trunk. b. A narrow or constri
The hard, (out) surface of the tooth is called enamel. A. outside B. appearance C. outer D. hiding 相关知识点: 试题来源: 解析 参考答案:C 参考答案:C 答案解析: 形容词应用。 outside和outer均有“外部的”意思。但outside一般指物体的外表或表面,而outer指一种相对性,即相对于内部而...
原句中的“out表面”(out surface)可能存在拼写错误,实际应为“outer surface”(外表面)。 选项分析: - **A. outside**(外部):通常作为名词或介词使用,强调位置关系(“在…外”),不直接修饰名词表示属性(如“外部的”),与语法要求不符。 - **B. appearance**(外观):词义与“表面结构”无关,完全偏离句...
Kim YH, Lee JY, Jeong MK. The erosion of the tooth enamel and the cementum by carbonate beverage. Int J Clin Prev Dent 2011;7:1-13.Kim YH, Lee JY, Jeong MK. The erosion on the tooth enamel and the cementum by carbonate beverage. Int J Cli Prev Dent 2011;7(1):1-13....
) one of the hard bodies or processes usu. attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel....
和后文的“Stem cells have the 4 to turn themselves into any other type of cell in the body. It may soon be possible, the researchers claim, to use those 5 cells to regrow a tooth’s enamel naturally.”可知,利用干细胞自然地再生牙齿的牙釉质是对前文用人工填充物填补空隙的替代方法。故选B...
An important part of our dentition is not just the enamel crowns of the teeth, but also the roots that anchor those teeth into our jaws. Dental root morphology is also variable and can be an important characteristic of fossils.The arrow in the above picture is pointing to what part of the...
"Well, I'd been selling an article to take the tartar off the teeth -- and it does take it off, too, and generly theenamel24along with it -- but I stayed about one night longer than I ought to, and was just in the act of sliding out when I ran across you on the trail this...
Natural ivory is a bone-like material largely made of a mineral called dentine, which lies underneath the enamel of a tooth. And whilst human teeth are used for eating, ivory tusks are teeth that have emerged beyond the lips, giving elephants an evolutionary advantage. ...
water hammer- the banging sound of steam in pipes 6.eruption- the emergence of a tooth as it breaks through the gum egress,emergence,issue- the becoming visible; "not a day's difference between the emergence of the andrenas and the opening of the willow catkins" ...