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Executive | Lab Tech Talk

Hawley Retainer with no Clasps

Category:

Appliance Purpose / Function:

The primary function of the Hawley Retainer with no clasps is to provide retention of the anterior teeth. Retention is provided by a labial 3 x 3 labial bow.

Appliance Components:

  • Acrylic Arch
  • Labial bow with adjustment loops anchored in the acrylic arch

Suggested Materials:

  • Wire: Chromium Cobalt wire or Stainless-Steel wire

Options:

  • May be fabricated with facial acrylic

Appliance Fabrication Standards:

  • Labial bow is formed from 3 x 3
  • The adjustment loops begin just distal to the mid point on the facial of the cuspid
  • The loop ends at the interproximal of the cuspid and the 1st bicuspid
  • The wire is in intimate contact with the teeth in the interproximal area as it crosses the occlusion
  • The palatal wires are formed about 1mm off the tissue to provide clearance for acrylic
  • The acrylic is trimmed to conform closely to the teeth including the interproximal areas.