Partial Denture Adjustment Guide

Partials Adjustment Guide 

Metal / Acrylic Flexible 


  1. Use pliers to adjust the clasp at the terminal third (last 1⁄3 of the clasp).
  2. Bend clasp outwards for more relief.
  3. Gently bend the clasp inward for retention and outward for relief. 


  1. Use bur at high speed with low  pressure to: 
    • Provide relief on guide planes and intaglio 
    • Trim down flange


  1. Soak the partial in hot water for 2-3 minutes.
  2. Once the partial is heated, it will become more flexible. Hold the clasps in the ideal position for   1-2 mins as it cools.
  3. Use bur with low pressure to adjust the remaining tight areas.

If teeth are too long, causing tight occlusal contact:

  1. Using bite paper, adjust the pontic teeth that are hitting high
  2. Use bur at high speed with low pressure to shave down teeth to proper length  

Note: A bur is best used for occlusal adjustment. A rubber wheel is best used for facial adjustment/polishing 

Partial Denture Adjustment Guide PDF

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