Accuracy of arch expansion with two thermoplastic materials in Invisalign® patients: EX30® and SmartTrack®
Raquel Bueno MEDEIROS,
Renata Faria SANTOS,
Jose Augusto MENDES-MIGUEL
et al.
Abstract:Objective: The purpose of this retrospective study was to compare accuracy of arch expansion using two different thermoplastic materials in Invisalign aligners: EX30® (Polyethylene Terephthalate Glycol, or PETG) and SmartTrack® (polyurethane). Methods: The study sample comprised 65 adult patients consecutively treated with Invisalign from two private practices: group 1 - treated with EX30® (358 teeth) and group 2 - treated with SmartTrack® (888 teeth). Six hundred and twenty-three measurements were assessed … Show more
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