Hansen, E K Correlation between depth of cure and surface hardness of a light-activated resin. [electronic resource] - Scandinavian journal of dental research Feb 1993 - 62-4 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0029-845X Standard No.: 10.1111/j.1600-0722.1993.tb01649.x doi Subjects--Topical Terms: Bisphenol A-Glycidyl MethacrylateComposite Resins--chemistryHardnessHumansLightLinear ModelsMaterials Testing