Return to Article Details Frekuensi Kegagalan Pengisian Saluran Akar dengan Teknik Preparasi Step Back pada Gigi Berakar Ganda di Rumah Sakit Gigi dan Mulut Universitas Jember 2011-2016 (The Frequency of Failure Root Canal Filling with Step Back PreparationTechnique on Multiple Ro Download Download PDF