CASE REPORT
Orthodontic Uprighting of a Horizontally Impacted Mandibular Second Molar with a Cantilever Spring
To upright an impacted second molar, a cantilever spring is bent from stainless steel wire and inserted beneath the gingiva, along the distal surface of the adjacent first molar. The activation arms are then connected to lingual and buccal brackets on the first molar.
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