This fixed appliance is commonly used to prevent upper molars from drifting forward. It is sometimes used as a fixed upper retainer. Depending on the needs of the patient, a Nance Appliance can be used to slightly expand or rotate the upper molars or hold the molars in place, following the movement of teeth.This fits across the roof of the mouth. Bands are placed on the upper arch of the two molars.
DURATION REQUIRED FROM LAB : 1 day
REQUIREMENT FOR LAB :Upper and lower( type 3) dental stone models without voids made from good alginate impression along with band fixed in.
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