Close the Articulator

The final step of mounting the mandibular cast occurs when the operator swings lower member of the articulator into position until the incisal pin comes into contact with the anterior guide table. The upper and lower members are held in place with one or more rubber bands until initial set of the plaster occurs.

Completing and Verifying the Preliminary CR Mounting

To complete and verify the preliminary CR mounting, the operator will:

• Allow the plaster to reach initial set
  
• Holding the articulator together, carefully remove the sticky wax
  
• Gently pry apart the rims with a wax spatula or a lab knife
  
• Remove the occlusion rims and reestablish the bite record intraorally
  
• Verify the new bite record on the articulator