EFFECT OF CASEIN PHOSPHO PEPTIDE-AMORPHOUS CALCIUM FLUOR PHOSPHATE FOR INHIBITING STREPTOCOCCUS MUTANS GROWTH IN YOUNG ADULT PATIENTS: EFEK CASEIN PHOSPO PEPTIDE-AMORPHOUS CALCIUM FLUOR PHOSPHATE UNTUK MENGHAMBAT PERTUMBUHAN STREPTOKOKUS MUTANS PADA PASIEN DEWASA MUDA