Distribusi frekuensi penyebab ekstraksi gigi permanen berdasarkan jenis kelamin, umur, dan elemen gigi di RSGM-P FKG UI periode 1 September 2011-31 Agustus 2012 = Distribution and frequency of the reason of permanent tooth extraction according to gender, age, and tooth element in Dental Education Hospital Dentistry of Indonesia University (RSGM-P FKG UI) period of 1st September 2011-31st August 2012 (Fakultas Kedokteran Gigi Universitas Indonesia, 2013)