V2EX pontic

Pontic

释义 Definition

Pontic adj.
1)(常见于牙科)指桥体的:固定桥上用来替代缺失牙的“假牙段/桥体”(pontic)。
2)(历史/地理)指本都(Pontus,黑海沿岸地区)的,或与本都希腊人/本都希腊语相关的。(该词还有其他较少见用法。)

发音 Pronunciation (IPA)

/pntk/ (BrE), /pntk/ (AmE)

例句 Examples

The dentist replaced the pontic on my bridge.
牙医把我牙桥上的桥体(假牙段)换掉了。

Because the pontic doesn’t have a root, it must be supported by crowns on the neighboring teeth.
由于桥体没有牙根,它必须由相邻牙齿上的牙冠来支撑固定。

词源 Etymology

Pontic 有两条主要来源与用法:

  • 历史地理义来自拉丁语 Ponticus,意为“本都(Pontus)的”,而 Pontus 与黑海地区相关。
  • 牙科义多认为来自拉丁语 pons(桥),与“牙桥(bridge)”的结构关系密切:pontic 就是牙桥中“跨过去、填补缺牙空隙”的那一段。

相关词 Related Words

  • Abutment
  • Bridge
  • Crown
  • Prosthesis
  • Pontus
  • Black Sea
  • 文学与著作中的用例 Literary Works

    • The History of the Decline and Fall of the Roman Empire(Edward Gibbon):常见“Pontic”用于指称黑海/本都相关地区与历史。
    • Anabasis《远征记》(Xenophon):涉及小亚细亚与黑海沿岸地理语境中常出现“Pontic”一类称谓。
    • Geographica《地理志》(Strabo):在古典地理描述中用于指涉本都与黑海区域(常见为“Pontic”相关表达)。
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