Kamińska, Monika, Collegium Medicum, Jan Kochanowski University, Kielce, Poland Karawan, Sławomir, Department of Maxillofacial Surgery, Regional Specialized Children’s Hospital, 10-561 Olsztyn, Poland kashal Kasong, Marc, Service de Chirurgie pédiatrique, plastique et maxillo-faciale, Université de Lubumbashi, Lubumbashi Klein-Dᶒbek , Emilia, PANORAMIK Centrum Diagnostyczne w Warszawie, ul. Świętokrzyska 18, War-szawa, Poland Kozakiewicz, Marcin, Department of maxillofacial surgery, Medical University of Lodz, Poland