About the Author

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Susana Palma Moya is a Lecturer in Orthodontics at the University of Salamanca, Madrid, Spain; Clinical Speaker of Align Technology; Co-Director at Invisalign Master; and a member of the Spanish Society of Aligners and Spanish Society of Orthodontics. Javier Lozano Zafra is an Honorary Lecturer at the University of Seville, Spain; Clinical Speaker of Align Technology; Co-Director at Invisalign Master; and a member of the Spanish Society of Aligners and Spanish Society of Orthodontics.