Periodontal Diseases

• American Academy of Facial Esthetics — South Euclid, Ohio, United States

• Doctor Mohamed Samir Periodontal and Implantology Clinic — El-Sheikh Zayed City, Cairo Governorate, Egypt

• faculty of dentistry Mansoura university — Al Mansurah, Egypt

• Faculty of Dentistry, Alexandria University — Alexandria, Egypt

• Kütahya Health Sciences University Faculty of Dentistry, Department of Periodontology — Kütahya, Turkey (Türkiye)

• Periodontology Clinic, Faculty of Oral and Dental medicine, University of Cairo, Egypt. — Cairo, Egypt

• Department fo Stomatology, Faculty of Medicine and Nursery, University of the Basque Country — Leioa, Biscay, Spain

Not specified

• University of Illinois Chicago College of Dentistry — Chicago, Illinois, United States
• Indiana University School of Dentistry — Indianapolis, Indiana, United States

Not specified