CHINDAM HARITHA1 , MAHENDRANADH REDDY2 , MAHADEV SHASTRY3 , VENKAT ADITYA4. COMPARISON OF THE SURFACE ROUGHNESS OF REFRACTORYCAST INVESTMENT MATERIAL BEFORE AND AFTER TREATMENTWITH WAX, HARDENING AGENTS- AN IN-VITRO STUDY. Int. J. Pharm. Med. Sci. 2026;6(2). doi:10.64751/