RT125 Wrap Around Hawley Retainer
Appliance Purpose / Function:
The primary function of the Wrap Around Hawley Retainer is to provide retention of the anterior teeth. Retention is provided by a labial 3 x 3 labial bow and is generally encased in acrylic which is formed to hold the teeth in their corrected positions.
The primary function of the Wrap Around Hawley Retainer is to provide retention of the anterior teeth. Retention is provided by a labial 3 x 3 labial bow and is generally encased in acrylic which is formed to hold the teeth in their corrected positions.
Appliance Components:
- Acrylic Arch
- .030 Labial bow with adjustment loops anchored in the acrylic arch
- 2 x 2 area of the labial bow is covered in acrylic that is formed to the facial surfaces of the teeth
Suggested Materials:
- Wire: Chromium Cobalt wire
Options:
- Laser welded (removes the solder)
- Solder: Silver Solder (Cadmium Free)
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 first bicuspid
- The wire continues and wraps around the distal of the second molar
- The lingual wire is formed about 1mm off the tissue of the tissue to provide clearance for acrylic
- The “C” clasp is formed to sit below the height of contour on the first bicuspid
- The “C” clasp is maintains intimate contact with the tooth on the buccal surface of the first bicuspid
- The wire is formed about 1mm off the tissue on the lingual to provide clearance for acrylic
All information is from www.leolabusa.com