Department of Prosthodontics, Dental School, Faculty of Medicine, University of Pristina, Pristina, Kosovo

E. Veseli

Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India; Department of Oral and Maxillofacial Diseases, Helsinki University and University Hospital, Helsinki, Finland

B. Joseph

Aura, Pristina, Kosovo

E. Breznica

Department of Orthodontics, Alma Mater Europaea, Campus College Rezonanca, Pristina, Kosovo

K. Veseli

Correspondence to E. Veseli, B. Joseph, E. Breznica or K. Veseli.