TY - GEN AU - Martin,D W TI - An in vitro investigation of marginal leakage using two composite resin restorative systems SN - 0091-4231 PY - 1981///0317 KW - Composite Resins KW - Dental Bonding KW - Dental Restoration, Permanent KW - Dental Stress Analysis KW - Evaluation Studies as Topic KW - In Vitro Techniques KW - Stress, Mechanical N1 - Publication Type: Comparative Study; Journal Article ER -