dentine
From Longman Dictionary of Contemporary EnglishRelated topics: Human, Animalsdentineden‧tine /ˈdentiːn/ (also dentin /ˈdentɪn/) noun [uncountable] HBHHBAthe type of bone that your teeth are made ofExamples from the Corpusdentine• The surface pitting of the enamel is similar, and the dentine has not been removed or digested to any great extent.• Tooth dentine and bone is less affected.