龋
Definition
* 〔～齿〕➊牙齿发生腐蚀的病变，在牙面上形成龋洞，逐渐扩大，最后可使牙齿全被破坏；➋患这种病的牙。均亦称"蛀齿"；俗称"虫牙"
tooth decay
Structure
Related substructures
Precursors
Oracle Bone Script
c. 1300–1050 BCE (Late Shang)
Inscriptions carved on turtle plastrons and animal bones for divination and record-keeping in the late Shang royal court; the oldest large attested corpus of written Chinese.Wikipedia ->
Small Seal Script
Standardized 221–206 BCE (Qin); developed earlier in Qin
The standardized seal script promulgated after Qin’s unification, based on earlier Qin seal forms and used as an empire-wide norm.Wikipedia ->
Transmitted Pre-Qin Forms
Pre-Qin forms (≤221 BCE) / late 2nd century BCE onward (Han → later textual transmission)
Pre-Qin character forms preserved through later textual transmission (often discussed as the 'Old Text' / guwen tradition). Shaped by repeated copying, they can diverge from excavated Warring States materials.Wikipedia ->
Last Modified: 2026-01-29 11:48 UTC