题目内容：
形成垂直食物嵌塞最常见的原因是（ ）。
A．邻面接触点不正常 B．牙有畸形舌侧沟
C．颌面均匀磨损
D．食物溢出沟加深
E．牙龈退缩
参考答案：
答案解析：
单选题：形成垂直食物嵌塞最常见的原因是（ ）。
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B．牙有畸形舌侧沟
C．颌面均匀磨损
D．食物溢出沟加深
E．牙龈退缩
B．牙有畸形舌侧沟
C．颌面均匀磨损
D．食物溢出沟加深
E．牙龈退缩
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