PENGARUH PENAMBAHAN RUGAE PALATINAL PADA BASIS TIGA JENIS DESAIN OBTURATOR VELOFARINGEAL TERHADAP KUALITAS PRODUKSI BICARA PASIEN INSUFISIENSI VELOFARING PASCA PALATOPLASTI: EFFECT OF PALATAL RUGAE ADDITION ON THREE KINDS OF VELOPHARYNGEAL OBTURATOR DESIGNS TO IMPROVE THE QUALITY OF SPEECH OF VELOPHARYNGEAL INSUFFICIENCY PATIENTS POST PALATOPLASTY. Dentika Dental J. 2014;18(1):68-74. doi:10.32734/dentika.v18i1.1952