歯し肉にく溝こうじ字FuriganaMeanings1noungingival sulcusTechnical dental term for the shallow groove between the tooth and the free gingiva.歯し肉にく溝こうの深ふかさを測そく定ていすることで、歯し周しゅう病びょうの進しん行こう度どを評ひょう価かします。The progression of periodontal disease is assessed by measuring the depth of the gingival sulcus.
