1. Department of Orthodontics, Pomeranian Medical University in Szczecin, Al. Powstańców Wlkp. 72, 70111 Szczecin, Poland
2. Department of Preclinical Conservative Dentistry and Preclinical Endodontics, Pomeranian Medical University in Szczecin, Al. Powstańców Wlkp. 72, 70111 Szczecin, Poland