2004 . Dental functional morphology: how teeth work. Cambridge University Press , Cambridge .Lucas PW (2004). Dental functional morphology: how teeth work. Cambridge, UK: Cambridge University Press.Lucas P. Dental functional morphology: how teeth work. Cambridge, UK: Cambridge University Press; ...
137-How Your Teeth Work 05:47 138-How your Muscles Grow 04:13 139-Peekaboo Kidz Dr. Binocs - AWARD WINNING SHOW Channel Trailer 00:48 140-Story Of The Christmas Tree 04:41 141-Why Do We Hiccup 05:27 142-What is Evolution 05:44 143-How Do Your Body Parts Work Non Stop ...
【题目】How fit are your teeth? Are you lazy about brushing them? Never fear. An inventor is on the case. An electric toothbrush senses how.long an d how well you brush, an d it lets you track(跟踪) your performance on your phone.The Kolibree toothbrush was exhibite d at the ...
"Whitening toothpastes" are designed to work even harder on this layer. The problem is, as this pellicle layer sits on your teeth for years and years, the foreign material gets into the enamel. The enamel layer is made up of hydroxyapatite crystals, which form microscopic hexagonal "rods."...
1.E 【解题思路】根据下文“You can work on strengthening your teeth by getting the right vitamins and minerals in your diet.”可知,你可以通过在饮食中摄取适当的 维生素和矿物质来强化你的牙齿。 E项“坚固的牙 齿对健康的口腔很重要”与下文衔接紧密,符合语 境。 故选E。 2.C 【解题思路】根据上文...
Dentists have been placing them since the late 1960s. (That’s the decade when the science of bonding dental materials to tooth enamel first became widely implemented in dentistry.)2) How do dental sealants work? How do they prevent teeth from getting cavities?
Its large teeth and jaws may have been devoted to chewing through the bones left from other animals' kills. Dinosaur Reproduction: Like Birds on Nests Wang Zhenghua (left), curator of a local museum, and Wang Fangchen, a scientist from Beijing, remove a fossilized dinosaur egg from a ...
He would come home from work and ask his kids if they had brushed their teeth. They said “yes,” but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed. The company says the Kolibree will go on sale this ...
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(E)We brush our teeth every day but few people know how well we're brushing. Today, a French company has introduced an electric toothbrush, which can work wirelessly(无线地) with a smartphone.It's called the Kolibree toothbrush. It has different models, and will cost from $ 99 to $ 20...