also: くし
noun
carious tooth; decayed tooth
Formal or literary term for a tooth with caries; in everyday speech 虫歯 (むしば) is used.
う歯の治療には早期発見が重要です。
Early detection is important for treating carious teeth.
この論文はう歯の予防について述べている。
This paper discusses the prevention of dental caries.
Rare kanji spelling; also read くし.
Rare reading and spelling; うし is the common reading.
Common everyday word for a decayed tooth or cavity; う歯 is a formal or literary synonym.
Compound of う (caries) + 歯 (tooth). The reading うし is standard; くし is a rare alternative reading of the same kanji.