A professional who packs plastic material in molds to form base for full or partial dentures. Responsibilities include:

• Mixes specified amounts of plastic powder and chemical solution, using spatula.
• Packs mixture around base of exposed artificial teeth and into cavities of mold sections.
• Positions sheet of plastic or wax paper or foil over bottom of mold to permit separation of mold from denture.
• Fits top section of mold over bottom and places assembly in press.
• Starts press that forces sections together and compresses mixture around teeth to form reproduction of gums.
• Removes model from press and trims excess plastic from mold, using knife.
• Submerges mold in hot water for specified time to cure plastic.