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Mandibular Development and Changes Quiz

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Questions and Answers

What structural change occurs in the body of the mandible at birth?

The mental foramen is below the socket of the first molar

The body consists of two separate halves united by fibrous tissue (correct)

The body is elongated and thickened

The condyle is at a higher level than the coronoid process

What is the mandibular angle measurement at three years old?

180°

140° (correct)

170°

90°

How does the position of the mandibular canal change from birth to three years old?

It moves to a lower position

It moves to a higher position (correct)

It remains at the same level

It becomes undetectable

What prominent feature appears in the adult mandible due to the eruption of permanent teeth?

Mental protuberance Signup and view all the answers

Which statement is true regarding the development of the sigmoid notch in the mandible?

It becomes deeper by three years of age Signup and view all the answers

What structural change occurs to the mental foramen in the mandible with age?

It moves near the upper border of the mandible. Signup and view all the answers

What describes the change in the sigmoid notch from childhood to old age?

It becomes shallower compared to adulthood. Signup and view all the answers

At what age does the mandibular canal change its position relative to the body of the mandible?

It begins close to the lower border at birth and moves higher by adulthood. Signup and view all the answers

What is the angle of the mandible during adulthood?

110-120 degrees. Signup and view all the answers

Which of the following statements regarding the condylar process of the mandible is true in old age?

It is positioned lower than the coronoid process. Signup and view all the answers