Which instrument is used to cut and shape acrylic denture bases and teeth?

Which instrument is used to cut and shape acrylic denture bases and teeth?

• A. Wax Pot
• B. Denture Teeth
• C. Bench Lathe
• D. Pressure Pot

Answer: (C)

A bench lathe is the tool designed for trimming, shaping, and finishing acrylic denture bases and artificial teeth. It is mounted on a workbench and spins at controlled speeds, allowing you to hold the denture base or individual teeth against grinding wheels, burs, and polishing abrasives to remove excess material, refine contours, and smooth surfaces. This precise material removal is essential for proper fit, occlusion, and aesthetics after processing. The other items serve different steps or purposes: a wax pot melts wax used in wax-up and try-ins, denture teeth are the artificial teeth themselves, and a pressure pot helps cure the acrylic resin under pressure to reduce porosity.

A bench lathe is the tool designed for trimming, shaping, and finishing acrylic denture bases and artificial teeth. It is mounted on a workbench and spins at controlled speeds, allowing you to hold the denture base or individual teeth against grinding wheels, burs, and polishing abrasives to remove excess material, refine contours, and smooth surfaces. This precise material removal is essential for proper fit, occlusion, and aesthetics after processing. The other items serve different steps or purposes: a wax pot melts wax used in wax-up and try-ins, denture teeth are the artificial teeth themselves, and a pressure pot helps cure the acrylic resin under pressure to reduce porosity.