Hubungan antara kemampuan mastikasi dan kepuasan pasien terhadap perawatan gigi tiruan lengkap pengukuran menggunakan colour changeable chewing gum dan questionnaire patient's denture assessment (PDA) versi Bahasa Indonesia = Relationship between masticatory performance and patient s satisfaction towards complete denture treatment measurement using color changeable chewing gum and validated Indonesian version of patient's denture assessment (PDA)