V2EX open-bite

Open-Bite

释义 Definition

Open-bite(开颌/开咬):一种常见的错颌畸形,指上下牙在咬合时前牙或后牙不能正常接触,出现明显“咬不拢”的空隙;最常见的是前牙开颌(前牙区上下牙不接触)。也可用于描述具体咬合关系,如 anterior open-bite(前牙开颌)、posterior open-bite(后牙开颌)。

发音 Pronunciation (IPA)

/opn bat/

例句 Examples

She was diagnosed with an open-bite.
她被诊断为开颌(开咬)。

Because of the open-bite, she had trouble biting into sandwiches and sometimes lisped when speaking.
由于开颌,她咬三明治时很费劲,说话时有时还会带点口齿不清(咬字不准)。

词源 Etymology

该词由 open(张开、未闭合) + bite(咬合) 组合而成,字面意思是“咬合处是开着的”。在正畸与口腔医学语境中,bite 常指“上下牙的咬合关系”(而不只是“咬一口”这个动作)。

相关词 Related Words

文学与著名作品 Literary Works

Open-bite 更常见于医学/正畸专业著作而非文学作品,例如:

  • Contemporary Orthodontics(Proffit 等):讨论开颌的分类、病因与治疗思路。
  • Graber’s Orthodontics: Current Principles and Techniques:涉及开颌的诊断与矫治技术。
  • Essential Orthodontics(Houston 等):常以 open bite 作为错颌畸形的典型例子进行说明。
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