aThey can have up to 3,000 teeth located in rows. Each tooth is saw toothed and triangular shaped. As a tooth is broken or lost it is replaced by a tooth from the next row, so the GWS always keeps a full mouth of teeth. 他们可以有位于列的3,000颗牙。 每颗牙锯齿形和三角形状。 当...
: any of various usually hard and sharp structures especially around the mouth of an invertebrate 2 a : something like or suggesting the tooth of an animal in shape, arrangement, or action the tooth of a saw b : one of the projections on the rim of a cogwheel that fit between...
Rinse with fluoride mouthwash. A fluoride mouthwash can help prevent tooth decay. Use only after 6 years old. Brush your child's teeth after giving them medicine. Medicines such ascoughsyrups have sugar that bacteria in the mouth use to make acids. These acids can eat away at the enamel. ...
doi:10.1016/S0097-0522(33)90209-9F WOLFEElsevier Inc.International Journal of Orthodontia & Dentistry for Children
in your mouth for 60 seconds twice a day before brushing your teeth. However, some experts say that rinses may not be as effective as other over-the-counter whitening products. Because a whitening rinse is only in contact with the teeth for such a short time -- just 2 minutes a day ...
a我们需要一套六把的椅子 We need a sets of six chair[translate] a我想有人拿错了这本字典。 I thought some people took mistakenly this dictionary.[translate] aThe teeth in the mouth chew food.The tongue helps humans swallow. 牙在嘴嚼食物。舌头帮助人燕子。[translate]...
Teeth as a feeding mechanism in an oral cavity (mouth) are functionally and locationally linked with jaws. In fossils, teeth found in the oral cavity are usually linked with jaws, although mineralised structures with the same histology as teeth are known in fossils before jaws appeared. Dentic...
A 7-year-old boy complaining of jaw pain was found to have 526 teeth inside his mouth, according to the hospital in India where he was treated.
Summary: The ring-opening metathesis polymerization of cyclooctyne was studied was studied in the presence of catalytic amounts of the tungsten alkylidyne complexes [RC W(NIm t Bu ){OCMe(CF 3 ) 2 } 2 ] ( 1a: R=CMe 3 , 1b: R=Ph). The resulting polymers show relatively narrow poly...
On a more personal note I am an incisor and you have seven more just like me here in the front of your mouth. We do the biting on those chocolate chip cookies you like so much. Next to us are the canines four sharp teeth two on either side. Their job is to tear food; pizza is...