oleh Husin, Erik; Postgraduate Program, Faculty of Dentistry, Trisakti University, Jakarta 11440 , Tjandrawinata, Rosalina; Department of Dental Material, Faculty of Dentistry, Trisakti University, Jakarta 11440 , Juliani, Magdalena; Department of Orthodontics, Faculty of Dentistry, Trisakti University, Jakarta 11440 , Roeslan, Boedi O.; Department of Biochemistry, Faculty of Dentistry, Trisakti University, Jakarta 11440

oleh Adhitya, Steiven; Postgraduate Program Faculty of Dentisty Trisakti University Jakarta 11440 , Sudiono, Janti; Department of Oral Pathology Faculty of Dentistry Trisakti University Jakarta 11440 , Kusnoto, Joko; Department of Orthodontics Faculty of Dentistry Trisakti University Jakarta 11440 , Roeslan, Boedi O.; Department of Biochemistry Faculty of Dentistry Trisakti University Jakarta 11440