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Removable Arch Development

Arch Development appliances are often used as an early or Phase I treatment modality to generate transverse, mesiodental, or a combination of both corrections in individual arches. Orthodontic Technologies offers a wide variety of removable expansion appliances to help aid in individual patient arch development needs. There are many options utilizing various springs, screws and screw placement. All appliances can be customized for your individual patient needs.

  • Sagittals
  • Schwartz
  • 3 Screw Sagittals
  • 3-Way Schwarz Expander
  • Fan Schwarz
  • Nord
Specification Sheet

Sagittals

The Sagittal appliance is a removable appliance comprised of expansion screws, clasping for retention and/or retraction, and acrylic. The upper Sagittal almost always has a posterior bite plane, the lower usually does not. It is an arch development appliance that can be used to accomplish various treatment goals.

Specification Sheet

Schwartz

The basic Schwartz appliance is a removable appliance comprised of an expansion screw, clasping for retention, a labial bow and acrylic. It is an arch development appliance that can be used to accomplish various treatment goals. Often it is used as the first appliance in an overall comprehensive plan of orthodontic treatment where arch development is considered the first phase of treatment. The basic Schwartz appliance design incorporates a lateral expansion screw that is placed deep in the palate, usually tangent to bicuspids/deciduous molars, and has a single midline slice. Clasping varies on a case by case basis but usually is comprised of Adams, Delta or Sage clasps on the 6-year molars, one pair of Ball, Arrowhead or Truitt clasps between the bicuspids/deciduous molars, and a cuspid to cuspid labial bow.

3 Screw Sagittals

3-Way Schwarz Expander

Fan Schwarz

Nord

These examples represent many of the most common appliances requested. However, we can custom design any appliance to your personal specifications with the quality and consistency you expect from your laboratory partner. For more information, Contact Us!

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