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Humans have 4 different types of teeth.There are 8 incisors,4 canines,eight pre-molars and 12 molars.Canines teeth help to shred and tear food.Incisors are also known as cutting teeth, their function is to cut and bite.Pre-molars work is to crush and chew food whereas molars prepare the chewed food into thin paste ,which is easy to swallow.To maintain healthy teeth ,proper oral and dental care is required