TY - JOUR T1 - Orthodontic Bracket Fabrication using the Investment Casting Process AU - Sugeng Supriadi,Tito Winnerson Sitanggang,Bambang Irawan S,Bambang Suharno,Gandjar Kiswanto,Tjokro Prasetyadi JO - International Journal of Technology VL - 6 IS - 4 SP - 291 EP - 319 PY - 2015 DA - 2015/10/27 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v6i4.1862 UR - https://ijtech.eng.ui.ac.id/article/view/1404