Tooth Demineralization

• Department of Pediatric Dentistry, Faculty of Dental Medicine — Plovdiv, Bulgaria

• University of Sassari, Dept of Surgery, Microsurtgery and Medicine Sciences — Sassari, SS, Italy

Not specified

• faculty of dentistry, Cairo university , Egypt — Cairo, Egypt

• Unit of Dental Hygiene - Section of Dentistry - Department of Clinical, Surgical, Diagnostic and Paediatrics - University of Pavia — Pavia, Lombardy, Italy

• Univás — Pouso Alegre, Minas Gerais, Brazil

• The University of Hong Kong — Hong Kong, China

Not specified

• the Faculty of Dentistry — Hong Kong

• Department of Pediatrics Universita' Politecnica Delle Marche — Ancona, Italy