Pengaruh konsumsi obat antihipertensi amlodipin golongan calcium channel blockers terhadap laju alir saliva terstimulasi dan tingkat kejadian karies (DMF-T): studi pada pasien di Klinik Pratama Medika dan Puskesmas Beji = The effect of amlodipine antihipertensive drug consumption towards stimulated salivary flow rate and caries occurance (DMF-T): study of patients at the Pratama Medika Clinic and Beji Health Center