Xue-Lu Tong, Chao-Yi Ma, Na Yu, Hou-Qi Zhou, Fa-Bing Tan
PURPOSE: To evaluate the surface characteristics, accuracy (trueness and precision), and dimensional stability of tooth preparation dies fabricated using conventional gypsum and direct light processing (DLP), stereolithography (SLA), and polymer jetting printing (PJP) techniques. MATERIALS AND METHODS: Gypsum preparation dies were replicated according to the reference data and imported into DLP, SLA, and PJP printers, and the test data were obtained by scanning after 0, 1, 3, 7, 14, 28, and 42 days...
February 26, 2024: International Journal of Prosthodontics