Negucioiu, Marius, and Daniela Popa. “Development of Phonetic Tests in Order to Improve the Functional Impression Technique in Total Edentation”. American Scientific Research Journal for Engineering, Technology, and Sciences 16, no. 1 (February 9, 2016): 243–250. Accessed September 12, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/1387.