【单选题】【消耗次数：1】
隐形矫正器在早期矫正中针对哪种错颌疗效最差（）
①
前牙反合
②
后牙反合
③
深覆盖
④
深覆颌
⑤
效果无明显差别
参考答案：
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相关题目
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下列对于存在错合畸形的儿童进行早期矫正的说法，不正确的是（）
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第二磨牙萌出之前
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完全或部分去除或修饰使上下颌骨、牙列、咬合、软组织不协调的因素
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关于功能矫正器，叙述错误的是
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功能矫正器本身不产生任何机械力
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可以选择性地控制牙齿的垂直高度
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可以用于矫正后牙宽度不调
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最适宜于青春生长进发期1～2年开始
⑤
主要用于恒牙早期
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