HYRAX DESIGN EXPANDER (4-ARM)
The Hyrax Rapid Palatal Expander consists of a stainless steel or titanium (special request) four-legged expansion screw that is soldered to bands on the first molars and .040 wire contoured up to the first bicuspids. For additional anchorage, bands can be requested on the first bicuspids. The expansion screw is available in 12mm.
VARIETY SP DESIGN EXPANDER (2-ARM)
The Variety Mini Expander consists of a stainless steel two-legged expansion screw that is soldered to bands on the first molars and .040 wire contoured up to the first bicuspids. The compact size of the screw and low profile design allows deeper placement into the palate for patient comfort and the ability to use mandibular expansion. For additional stability, rests can be added to the first bicuspids on lower expansion appliances. The expansion screw is available in 12mm.
HAAS DESIGN EXPANDER
The Haas RPE (per Dr. AJ Haas) is a hybrid appliance consisting of a 13mm stainless steel expansion screw and acrylic on each side of the upper vault. For anchorage, an .040 wire is soldered to bands on the 2nd bicuspids and first molars and embedded into the palatal acrylic. Buccal bars are soldered to the bands for stability. The acrylic design allows equal pressure to be distributed on the palatal tissue and teeth. Design shown has soldered rests added (optional).
The Quad-Helix appliance is most commonly fabricated for controlled-force treatment to the upper arch. This appliance can be used to treat unilateral or bilateral crossbites, lateral expansion of the posterior segments, or aligning teeth that are overcrowded. This appliance is available in both a fixed design, which is soldered directly to bands, or a removable design in conjunction with lingual sheaths soldered to bands. Activation of the appliance can be made using a triple-beak pliers.
BAND & CROWN OPTIONS
We also offer several anchorage options to meet your patient’s needs.
Stainless Steel Crown
Closed / Full
Stainless Steel Crown
Stainless Steel Band
We also offer a variety of different wire sizes and types, clasping, labial loop styles, and acrylic trimming options to meet your patient’s needs.
• Archwire Tubes (.018 & .022, single or double tubes)
• Lingual Sheaths
• Facemask Hooks
When filling out your prescription sheet, please make sure to mark the desired specifications for your metal appliance. If you prefer to have crowns instead of bands, please make sure to note that on the prescription sheet. Please also feel free to call our lab and speak with one of our technicians directly for assistance on a case.
Orthodontics is in our DNA™
Dobson Ortho Laboratory, Inc.
2130 Hilton Drive, Suite B
Gainesville, GA 30501
M-Th 8:30a - 4:30p; F 8:30a - 4:00p EST
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