题目：
患儿，女性，7岁2个月，牙列
，前牙深覆
，但不损伤腭侧黏膜，上下颌骨发育无明显异常，该患者的治疗方案是（）
A.上颌带 * * 面导板
B.观察，暂时不作矫治
C.第二乳磨牙面垫高
D.上颌垫式矫治器治疗
E.上下颌固定矫治器矫治深覆
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
患儿，女性，7岁2个月，牙列，前牙深覆，但不损伤腭侧黏膜，上下颌骨发育无明显异常，该
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