Martin, D W An in vitro investigation of marginal leakage using two composite resin restorative systems. [electronic resource] - CDA journal Mar 1980 - 41-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0091-4231 Subjects--Topical Terms: Composite ResinsDental BondingDental Restoration, PermanentDental Stress AnalysisEvaluation Studies as TopicIn Vitro TechniquesStress, Mechanical