Dental A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have: A Greater ductility B Greater toughness C A higher modulus of elasticity D More resistance to permanent deformation 💡 Explanation A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have: ✓ Correct Answer: D. More resistance to permanent deformation