tooth- hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense mouth,oral cavity,oral fissure,rima oris- the opening through which food is taken in and vocalizations emerge; "he stuffed his mouth with candy" ...
【3】 When ancient people would lose their molars (臼齿) from chewing tough food, wisdom teeth — the third set of molars — would take their place. But because most people don’t lose their molars as young children, wisdom teeth wait until adulthood to arrive. 【4】Nowadays, dentists ...
1. one of the hard white objects inside your mouth that you use for biting and for chewing food 2. one of a row of narrow pointed parts that form the edge of a tool or machine 3. the necessary power and authority to be effective or to make people obey you 例句 It was as if the...
Biting and tearing.The central incisors and lateral incisors are mostly used for biting and cutting, and canine teeth are primarily used for tearing food. Grinding and crushing.The premolars, molars, andwisdom teethare mostly used for chewing and grinding food. How Teeth Are Structured Each toot...
They also have an excellent ability to digest the food properly. However, at some point in history, birds used to depend on their teeth for chewing food just like us. The earliest known clue in this regard was found in Germany in 1862. The fossil of an ancient bird found there, ...
with a soft brush can help remove plaque and fight tooth decay and gum disease without irritating your gums and teeth. Brush for two minutes using short, gentle strokes. Clean all the surfaces of your teeth, including the outside, inside, and chewing surface of those hard-to-re...
Most of the time, your puppy probably swallows his baby teeth along with his dinner, or while playing. This won’t hurt him.You may occasionally find a baby tooth, which you can keep as a memento, but they are tiny and quite hard to spot!
This shows why people need access to good dental care because, George Washington disliked that fact that he was missing so many teeth, if someone is missing that many teeth then, their gums would hurt as well as it would be hard to eat. Another example is kids often get cavities that ...
Salivahelps wash away food and bacteria that can lead to cavities. It also fights the effects of acidic foods. Drink water often to keep your mouth clean and moist. If you exercise hard, be sure to rehydrate during and after yourworkout. Chewing sugarless gum or sucking on sugarless hard...
They will help remove food particles from your teeth. QUESTION What causes tooth decay? See Answer Chewing on pencils Chewing on pencils or other objects is a bad habit many people have. People may chew on pencils, erasers, bottle caps, and other things. The behavior is bad for teeth ...