1. Dental Practice, ul. Arki Bożka 32, 75-365 Koszalin, Poland
2. Department of Conservative Dentistry and Endodontics, Pomeranian Medical University of Szczecin, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland
3. Department of Preclinical Conservative Dentistry and Preclinical Endodontics, Pomeranian Medical University of Szczecin, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland
4. Department of General Dentistry, Pomeranian Medical University of Szczecin, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland
5. Department of Orthodontics, Pomeranian Medical University of Szczecin, Al. Powstańców Wlkp. 72, 70-111 Szczecin, Poland