dentinal,a.|ˈdɛntɪnəl| [f. dentine + -al1.] Pertaining to or of the nature of dentine. 1847–9Todd Cycl.Anat. IV. 382/2 The calcification of the dentinal pulp.1870Rolleston Anim. LifeIntrod. 45 The dentinal tissue is free from anchylosis with the alveolus.