What are the different parts of a tooth? Learn about the types of teeth that make up your smile and the different parts of a tooth at Colgate® Oral Care.
Crowns are necessary when a tooth is generally broken down and fillings won't solve the problem. If a tooth is cracked, a crown holds the tooth together to seal the cracks so the damage doesn't get worse. Crowns are also used to restore a tooth when there isn't enough of the tooth ...
Now the father and son have ___49___ the respect(尊敬)of many people. And their ___50___ courage also sets a good example for us all. It sends out the message how important it is that we believe in ourselves and never give up. 【答案】 41. Unluckily 42. talk 43. himself 44...
Front teeth are less likely to fracture following a root canal. They usually do not require a crown unless a large part of the tooth is missing.“ What does getting a crown involve? “When you look at a tooth, you consider it to have five sides: the chewing side, the cheek side, ...
Restore a tooth that is cracked, worn, or broken Cover a tooth that has severe damage Hold a dental bridge in place Cover a tooth that is discolored Crowns can be made of several different materials: Metal — These are strong and last the longest in terms of wear. They can be made...
aCongenital absence of teeth is a complex condition affecting several parameters of oral development. This is the first study to measure tooth crown dimensions using image analysis in a family with hypodontia in whom the mutation has been identified, and compare them with a control group 先天缺乏...
The implantation of crowns may take several dentist visits, though the process can be made reasonably painless through use of numbing agents. If a dentist determines a permanent crown is necessary, he or she may file the tooth down to fit the crown around it, and taking a mold of the area...
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The crown is the visible part of your tooth and is covered by white enamel. Dentin is a layer that is similar to bone and supports your enamel. The tooth pulp is at the core of each of your teeth and is also called the “nerve.” ...
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