100°~120°
120°~125°
130°~140°
140°~160°
150°~170°
1.A.100°~120° B.120°~125° C.130°~140° D.1400~160° E.150°~170°恒牙列期下颌角为
2.A.140°~160° B.120°~125° C.130°~140° D.150°~170° E.100°~120°乳牙建完成时下颌角为
3.A.140°~160° B.120°~125° C.130°~140° D.150°~170° E.100°~120°新生儿下颌角为
4.A.100°~120° B.120°~125° C.130°~140° D.1400~160° E.150°~170°新生儿下颌角为
第1题:
新生儿下颌角为()
第2题:
第3题:
第4题:
恒牙列期下颌角为()
第5题: