AKTIVITAS EXPRESSI KOLAGEN II DAN OSTEOCALSIN TULANG ALVEOL AKIBAT PRESERVASI SOKET PENCABUTAN GIGI DENGAN CAMPURAN ALOE VERA DAN GRAFT 0,5%: EXPRESSION ACTIVITY OF COLLAGEN II AND OSTEOCALCYN ALVEOLAR BONE QONSEQUENT PRESERVATION POST EXTRACTION SOCKET FILLED WITH A MIXTURE OF ALOE VERA AND GRAFT 0,5%. Dentika Dental J. 2014, 18 (1), 80-86. https://doi.org/10.32734/dentika.v18i1.2005.