TY - GEN AU - Letzel,H AU - Aardening,C J AU - Fick,J M AU - van Leusen,J AU - Vrijhoef,M M TI - Tarnish, corrosion, marginal fracture, and creep of amalgam restorations: a two-year clinical study SN - 0361-7734 PY - 1980///0726 KW - Adolescent KW - Adult KW - Corrosion KW - Dental Amalgam KW - Dental Restoration, Permanent KW - Humans KW - Stress, Mechanical KW - Surface Properties N1 - Publication Type: Comparative Study; Journal Article ER -