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Three types of frames: (a) frame manufactured using a 3D printer [20]; (b) commercially available frame called the dedicated tray for the denture cutting time reduction kit (CA-DK1-TR; DGSHAPE, Hamamatsu, Japan); and (c) commercially available frame called the time reduction kit for cast denture base (CA-DK1; DGSHAPE, Hamamatsu, Japan) [21].
