also: はにく
Anatomical term for the gums; used in medical and everyday contexts.
My gums are swollen and painful.
Gingivitis is inflammation of the gums.
gingivitis
Standard kanji spelling for gums; reading しにく is the most common.
Alternate reading; less common but still used.
Compound of 歯 (tooth) and 肉 (flesh). The reading しにく uses the on'yomi of both kanji, while はにく mixes kun'yomi and on'yomi.