March 2022 Issue HighlightsALIGNER CORNEROptical Properties of Seven Types of Clear Aligners Before and After In Vitro AgingUsing a spectrophotometer, Dr. Cremonini and colleagues compare the transmittance and absorbance percentages of clear aligner trays from All In, Air Nivol, Arc Angel, Invisalign, F22, and Nuvola before and after aging for 14 days in artificial saliva.
March 2022 Issue HighlightsTreatment of Transposed Canines and First Premolars Using Miniscrew AnchorageDr. Kook and colleagues present a technique for moving transposed canines and first premolars into their normal positions without extraction. A miniscrew is used to anchor traction of the canine, while the premolar is moved distally with a lever arm from a long-hook bracket.