單項(xiàng)選擇題

1955年毛燮均教授等以理想為標(biāo)準(zhǔn)調(diào)查統(tǒng)計(jì)錯(cuò)患病為率()

A.29.4%
B.91.2%
C.90%
D.50%
E.25%


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1.單項(xiàng)選擇題

骨性Ⅲ錯(cuò)ANB角為()

A.140°~160°
B.130°~140°
C.120°~125°
D.125°
E.<0°

2.單項(xiàng)選擇題新生兒下頜角為()

A.140°~160°
B.130°~140°
C.120°~125°
D.125°
E.<0°

3.單項(xiàng)選擇題成人下頜角為()

A.140°~160°
B.130°~140°
C.120°~125°
D.125°
E.<0°

4.單項(xiàng)選擇題3歲時(shí)下頜角為()

A.140°~160°
B.130°~140°
C.120°~125°
D.125°
E.<0°

5.單項(xiàng)選擇題12歲時(shí)下頜角為()

A.140°~160°
B.130°~140°
C.120°~125°
D.125°
E.<0°