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The “fastback” is an appliance used for the distalization of the upper molars. This device provides the translation movement of the molars using a predetermined amount of pressure. There is no need for the cooperation of the patient maintaining good anchorage control. The principle of this device is based on the compression of Ni-Ti springs (available is 200 or 300 grams) which exert a constant force on the molar. To achieve this result, while still enabling precise control of tooth movement and ensuring the greatest comfort possible for the patient, an arm is fabricated to fit into a small tube (1.1 mm diameter) which is soldered to the palatal surface of the bands on the molars to be distalized. An open Memoria® spring is added to the arm and delivers the required force to move the tooth in the desired direction, which is determined by the arm sliding inside the tube.
The spring must be reactivated after the tooth has retracted approximately 1.5 – 2 mm: the operator activates the distal screw as required so that it compresses the spring again (after distalization has begun, activation should be carried out, on average, every 30 – 45 days). The springs can be reactivated each month through the expansion screws integrated into the device. The pre-welded tube on the molar band enables the screw arm to slide smoothly with total control of the direction of distalization. Once the desired amount of distalization is achieved, an eyelet is available on the end of the slider to tie a ligature wire from the band to the appliance to hold the movement.
Additional resource:
Distalization Using the FAST BACK Expansor
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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