Lecture in Faculty of Dentistry, Universitas Gadjah Mada , my research has been focusing on material for prosthodontic. I also study effect of chitosan mixing with basic materials dental acrylic resin to growth Candida albicans, transversal strength, tensile strength and hardness researched about mechanical and physical properties, residual monomers, and anti inflammation on denture. In parallel of teaching and research, I also involve in managing a dental and oral hospital as director of medical and education services and teaching for undergraduate and graduate program of Faculty of Dentistry.