PENGARUH LARUTAN COKLAT (Theobroma cacao L) TERHADAP STABILITAS WARNA BASIS GIGI TIRUAN RESIN NILON TERMOPLASTIS: EFFECT OF BROWN CONDENSATION (Cacao Theobroma L) TOWARD COLOR STABILITY OF DENTURE BASES OF NYLON THERMOPLASTIC RESIN. Dentika Dental J. 2014;18(1):53. doi:10.32734/dentika.v18i1.1947