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Yamahachi Denture Base Resins is intended for fabrication or repair of the denture base.

Yamahachi Denture Base Resins is supplied in powder and liquid form. The powder is primarily a polymer of polymethyl methacrylate (PMMA) beads with small quantities of initiator and color pigments. The liquid is primarily the monomer methyl methacrylate (MMA) with small quantities of a cross-linking agent and activator. To fabricate the denture base, the powder and liquid materials are mixed together and stirred to create a dough state that is packed or poured into a mold, saddle, or core. The resin then cures either through heat application (water bath, rapid immersion, or microwave oven) or a self-curing process (pressure vessel or via quick-setting). While heat-cure resins are generally used to fabricate denture bases, self-cure acrylics are most often indicated for repair and relining of the dentures. The subject device includes three heat-cure resins (Basis, Basis HI, and Basis Twin Cure) and two self-cure resins (Basis Flow and Re-Fine Bright).