因为句子表达的是刷牙时间越长,牙齿状况越好,所以需要用比较级“better”。 第46题需要填入动词“be”的正确形式。句子主语是“Brushing your teeth for longer”,是一个动名词短语,谓语动词要用单数形式。同时,句子描述的是一个客观事实,所以要用一般现在时。因此,需要填入“is”。 答案: 45. better 46. is...
Naturally shrinking gums.If you’re over 40, it could be that your gums are showing signs of wear and tear by pulling away from your teeth and uncovering your tooth roots. Those roots don’t have enamel to protect them, so they’re much more sensitive than the rest of your tooth. Tell...
Sports drinks can cause tooth enamel to dissolveVikki Burns
But as amazing as the body's ability to repair itself may be,it can't regrow tooth enamel. Ever. Tooth enamel is the hardest tissue in the body. Problem is, it's not living tissue, so it can't be naturally regenerated. Can you rebuild ground down teeth?
Tooth enamel is one of the hardest tissues in the human body. It acts as a protective layer for our teeth, and gives our smile that pearly white shimmer. But when enamel erodes, it can't regrow itself.
We've come a long way from the ancient chew-sticks and boar-bristled brushes used before nylon bristles came on the market, but if you're using a medium or hard-bristled brush to scrub away plaque and debris you could also be scrubbing away your tooth enamel (as well as damaging your ...
牙列重度牙釉bjsbkq.com可出现实质性缺陷
Elevated FGF-23 can lead to tooth enamel does not function properly, such as cells, odontoblast cells differentiation and cause tooth development are not strictly equal a range of diseases. 翻译结果4复制译文编辑译文朗读译文返回顶部 Raise FGF - 23 may lead to tooth germ cells in the glaze into...
Orange Juice Can Wash Away Your Tooth EnamelRead the full-text online article and more details about "Orange Juice Can Wash Away Your Tooth Enamel" - Daily Mail (London), July 2, 2009Daily Mail (London)
Acidic Foods Can Erode Precious Tooth EnamelRead the full-text online article and more details about "Acidic Foods Can Erode Precious Tooth Enamel" - Fraser Coast Chronicle (Hervey Bay, Australia), August 3, 2011