Distribusi penyakit periapikal berdasarkan etiologi dan klasifikasi di RSKGM Fakultas Kedokteran Gigi Universitas Indonesia Tahun 2009-2013 = Distribution of periapical disease based on its etiology and classification in RSKGM Faculty of Dentistry University of Indonesia in 2009 2013 / Anka Aliya Matriani (Fakultas Kedokteran Gigi Universitas Indonesia, 2014)