歯し根こん管かん治ち療りょうしこんかんちりょうじ字FuriganaMeanings1nounroot canal treatment; root canal therapydentistry›Dental term for treating the inside of a tooth root. Often abbreviated as 根管治療 in clinical contexts.See also: 根管治療歯し根こん管かん治ち療りょうは虫