Mouth, Edentulous

• Ohio State University — Columbus, Ohio, United States
• Virginia Commonwealth University — Richmond, Virginia, United States
• San Jose Hospital — Santiago, Chile
• Dr. Tasso-Eyke von Haussen — Mainz, Germany

• Faculty of Dentistry, Alexandria University — Alexandria, Egypt

• Faculty of dentistry tanta university — Al Gharbī Bahjūrah, Tanta, Egypt
• Tanta University — Al Gharbī Bahjūrah, Tanta, Egypt

• Esra Nur Avukat — Odunpazari, Eskişehir, Turkey (Türkiye)

• Marmara University School of Dentistry — Istanbul, Turkey (Türkiye)

• University of Jordan Hospital — Amman, Jordan

• Clinica Universitaria d'Odontologia — Sant Cugat Del Vallés, Barcelona, Spain

Not specified

• Facultad de Odontología — Granada, Spain

• Facultad de Odontología — Granada, Spain