noun🔗ShareDentinaThe hard, dense calcareous material that makes up the bulk of a tooth"The dentist explained that the dentin, which forms the main body of my tooth, was becoming sensitive due to a cracked filling. "El dentista explicó que la dentina, que forma el cuerpo principal de mi diente, se estaba volviendo sensible debido a un empaste agrietado.anatomyphysiologymedicinebodyChat with AIVocabulary GamePractice Reading