Tooth Diseases

• Department of Periodontology, School of Stomatology, Peking University — Beijing, China
• Department of Implantology, School of Stomatology, Peking University — Beijing, China
• Second Dental and Periodontal Center, School of Stomatology, Peking University — Beijing, China

Not specified

• Hacettepe University — Ankara, Turkey (Türkiye)

• University of New England — Portland, Maine, United States

• faculty of dentistry, Alexandria University — Alexandria, Egypt

• Department of Prosthodontics, School of Stomatology, Beijing University — Beijing, China
• Department of Prosthodontics & Dental Materials, Guanghua School of Stomatology, Sun Yat-Sen University — Guangzhou, China
• Department of Prosthodontics, College of Stomatology, Shanghai Jiao Tong University — Shanghai, China

• October University of Modern Sciences and Arts — Cairo, Egypt

• Salus research — Fort Wayne, Indiana, United States

• Oral Health Science Center — Mason, Ohio, United States

• University of Geneva - Devision of Cariology and Endodontology — Geneva, Switzerland