title: The fracture toughness (KIC) of composite filling materials and crack-tip radius.
authors.forename: C H
authors.initials: CH
authors.lastname: Lloyd
mesh_terms: D003188:Composite Resins; D003793:Dental Restoration, Permanent; D004548:Elasticity; D008422:Materials Testing / Q000379:methods*; D013314:Stress, Mechanical; D013499:Surface Properties
chemical_list: D003188:Composite Resins