Interproximal reduction in refinement phase of Invisalign treatment

A study published in the American Journal of Orthodontics and Dentofacial Orthopedics aimed to carry out a quantitative analysis of interproximal reduction prescribed in the refinement phases of clear aligner therapy with the Invisalign appliance.

The study showed that three-quarters of individuals undergoing orthodontic clear aligner therapy were prescribed interproximal reduction during the initial and refinement digital treatment plans and approximately 40% of the sites prescribed occurred in refinement digital treatment plans.

"Research regarding [interproximal reduction] in the refinement phase of clear aligner therapy is limited," the study said. "Careful consideration of the timing, quantity, and location of [interproximal reduction] is essential to optimize treatment efficacy and ensure patient and clinician satisfaction with treatment outcomes."

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