The W Arch or Porter appliance is fabricated using .036 wire. The appliance is activated by opening the apices and can be easily adjusted to provide more anterior or posterior expansion. The appliance should be manually opened 3-4 mm before insertion to provide proper forces. The expansion should continue at a rate of 2mm per month until the crossbite is overcorrected.
Used to Correct Crossbite
Easily Adjusted
Expansion Continues at 2mm per Month
There are two ways to activate the W arch before placing it in the mouth. Ricketts et al. (1979) originally suggested that operators activate the appliance with three-pronged pliers to incorporate expansion and molar-rotating force. Another method proposed by Kholoki (1995) employs an arch form chosen from a pentamorphic chart that serves as a pattern for regulating the W Arch.
This appliance should be cleaned every day with toothpaste and a soft toothbrush, morning and night. Encourage the patient to give sufficient time to clean thoroughly around the appliance, gums, teeth, and bands to maintain proper hygiene and prevent inflammation. 3 minutes is recommended.
We offer a plethora of customization options to ensure your appliance is expertly tailored to your preferences. With our array of automated machinery and highly skilled craftsmen, you can expect a consistent, high-quality product, every time.
We’re driven by hard-work and a relentless passion for dental excellence. It’s simple. ODL’s highly skilled lab technicians utilize the finest materials available to achieve ideal results for you and your patients. We stand by our craftsmanship and strive to exceed your expectations with every appliance.
When you partner with ODL, we ensure your experience is second to none. We pride ourselves in providing unparalleled dental excellence. Order today and give your patients the smile they deserve.
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