double tooth; protruding tooth (like a fang)
Rare term for a tooth that grows in front of or behind another, often resembling a fang; compare 八重歯 (やえば), which is the common word for a snaggletooth or overlapping canine.
See also: 八重歯 (やえば)
A double tooth is sometimes treated as a type of dental irregularity.
Her protruding tooth shows just a little when she smiles.
Standard kanji spelling for this rare dental term.
Variant spelling without okurigana; less common but still used.
Compound of 添い (soi, 'accompanying') + 歯 (ba, 'tooth'), literally 'accompanying tooth'. The exact historical derivation is uncertain, but the term describes a tooth that appears alongside another.