單項選擇題

1955年毛燮均教授等以理想為標準調(diào)查統(tǒng)計錯患病為率()

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


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1.單項選擇題

骨性Ⅲ錯ANB角為()

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

2.單項選擇題新生兒下頜角為()

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