CASE REPORT
Correction of Bilateral Class II Malocclusion Using Heat-Activated Nickel Titanium Wires
Various extraoral and intraoral fixed appliances have been used in Class II cases to distalize the upper molars without extractions. The main disadvantage of these appliances is anchorage loss, which may cause mesial tipping of the anterior teeth unless skeletal anchorage is added. There is also some controversy regarding the effectiveness of distalizing appliances once the second and third molars have erupted.
This case report describes the use of heat-activated nickel titanium wires for molar distalization, referred to as the Loca-System, to correct a Class II malocclusion with skeletal asymmetry.
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