【单选题】【消耗次数：1】
颞下颌关节的功能区是（）
①
关节结节前斜面和髁突前斜面
②
关节结节后斜面和髁突后斜面
③
关节结节后斜面和髁突前斜面
④
关节结节前斜面和髁突后斜面
⑤
关节窝底和髁突顶
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