题目内容

The most beneficial biological lever for the masticatory system is ()

A. class Ⅰ
B. class Ⅱ
C. class Ⅲ
D. All of the above
E. None of the above

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Which of the following is the best choice to improve masticatory efficiency? ()

A. Eat more food.
B. Extend the masticatory time.
C. Speed up masticatory power.
D. Restore the normal function of the affected teeth.
E. None of the above.

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The attrition is ()

A. non-physiological
B. the physiological phenomenon of the natural wearing of the hard tissue of the teeth
C. caused by tooth brushing
D. All of the above
E. None of the above.

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ICP is lost when the mandibular teeth are all gone.

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When the natural dentition is in the protrusive articulation, any posterior teeth contact is considered as the occlusal interference.

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The most beneficial biological lever for the masticatory system is ()

A. class Ⅰ B. class Ⅱ C. class Ⅲ D. All of the above E. None of the above

Which of the following is the best choice to improve masticatory efficiency? ()

The attrition is ()

ICP is lost when the mandibular teeth are all gone.

When the natural dentition is in the protrusive articulation, any posterior teeth contact is considered as the occlusal interference.

A. class Ⅰ
B. class Ⅱ
C. class Ⅲ
D. All of the above
E. None of the above