Affiliation: | 1. Center of Dental Traumatology and Department of Oral Surgery, Oral Radiology and Oral Medicine, University of Basel, Basel, Switzerland;2. Center of Dental Traumatology and Department of Periodontology, Endodontology and Cariology, University of Basel, Basel, Switzerland;3. Department of Conservative Dentistry and Periodontology, University Hospital of Würzburg, Würzburg, Germany |