Techniques used to achieve the posterior palatal seal (Laney)

By Dr.Swathi Pai on Wednesday 7 January 2009 with 0 comments



  1. Functional Impression – Class III; to compensate because there is so much movement

  2. Arbitrary (semi functional) – Combination of both techniques

  3. Empirical – Scoring cast

Describe the technique that Millsap used for recording the posterior palatal seal area.

  1. Use of Iowa wax or Korecta Wax No. 4.

  2. Mark landmarks with indelible pencil and reinsert impression

  3. Palpate seal area.

  4. Apply wax and insert at moderate pressure and allow to cool for seven minutes without pressure, then apply moderate pressure for five minutes.

  5. Check to see wax is touching in all areas, add as needed.

  6. Trim to indelible pencil line.

Category: Prosthodontics Notes

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