Evaluation of the rate of permanent tooth extraction for orthodontic purposes in patients treated at the Outpatient Clinic of Orthodontics, UKS in Cracow, in 2014–2018 - Tomanek, Daria; Motyl, Sylwia; Gawron-Jakubek, Weronika; Waląg, Magdalena; Świtakowska, Fortunata; Szymanowska, Beata; Loster, Bartłomiej (Forum Ortodontyczne / Orthodontic Forum, 2019)