V2EX overbite

Overbite

释义 Definition

Overbite 是一个牙科术语,指上排牙齿过度覆盖下排牙齿的状态,即"深覆合"或"覆咬合"。正常情况下上牙会略微覆盖下牙,但当覆盖程度过大时,就称为 overbite,可能影响外观和咀嚼功能。

发音 Pronunciation

/o.v.bat/

例句 Examples

My dentist said I have a slight overbite that doesn't need treatment.
我的牙医说我有轻微的深覆合,不需要治疗。

The orthodontist recommended braces to correct her significant overbite, which had been causing jaw pain and difficulty chewing for years.
正畸医生建议她戴牙套来矫正严重的深覆合,多年来这一问题一直导致她下颌疼痛和咀嚼困难。

词源 Etymology

Overbiteover-(超过、过度)和 bite(咬合)组合而成。Over- 来自古英语 ofer,表示"在……之上"或"过度";bite 来自古英语 bītan,意为"咬"。该词最早出现于19世纪末至20世纪初的牙科文献中,用来描述上下颌牙齿闭合时上牙过度覆盖下牙的状态。这是一个典型的英语合成词,将方位前缀与动作名词结合,直观地描述了牙齿的位置关系。

相关词汇 Related Words

文学作品引用 Literary References

Overbite 作为一个专业牙科术语,在经典文学作品中较少出现,但在当代小说和非虚构作品中偶有使用,通常用于人物外貌描写:

  • 在 Jeffrey Eugenides 的小说 Middlesex(《中性》)中,作者在刻画人物面部特征时提到了牙齿的覆合问题,用以丰富角色形象。
  • 在当代美国文学和流行文化写作中,overbite 常被用作角色外貌的细节描写,暗示人物的个性特征或成长经历,例如青少年成长小说中角色戴牙套矫正 overbite 的情节。
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