Affiliation: | 1. Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine University of Zurich, Zurich, Switzerland;2. Department of Orthodontics, Divisions of Pediatric Dentistry and Community of Oral Health, University of Pennsylvania School of Dental Medicine, Philadelphia, PA, USA;3. Center for Innovation and Precision Dentistry, University of Pennsylvania School of Dental Medicine, School of Engineering and Applied Sciences, Philadelphia, PA, USA |