Sterling Dentist. Dr. Jean-Claude Kharmouche provides Dental Implants, Periodontal Disease, Gum Disease, Gum Treatment, Tooth Implant, Periodontal Treatment to the following locations: Gainesville. Gainesville Dentist providing excellent dentistry including Dental Implants, Periodontal Disease, Gum Disease, Gum Treatment, Tooth Implant, Periodontal Treatment in Sterling, Gainesville, Virginia.