Jahili, Nurul Hajra (2024) PERBEDAAN KEKASARAN PERMUKAAN DAN FRIKSI KAWAT ORTODONTI JENIS NIKEL TITANIUM DAN COPPER NIKEL TITANIUM BERDASARKAN LAMA PEMAKAIAN = Differences In Surface Roughness And Friction Of Nickel Titanium And Copper Nickel Titanium Orthodontic Wires Based On Wear Time. Thesis thesis, Universitas Hasanuddin.