Oral & Maxillofacial Surgery - Dr. Schwartz, Dr. Shelkun, and Dr. Yudell specialize in dental, facial, reconstructive, cosmetic, and implant surgery. Warminster, Richboro, Fort Washington, PA. Pennsylvania Dental Association - A voluntary organization with approximately 6,500 members, the Pennsylvania Dental Association (PDA) is a constituency of the American Dental Association, the largest and oldest national dental society in the world. Pennsylvania Academy of General Dentistry - Encourages and promotes dental health, to serve the needs of general dentists, to represent the interests of its member dentists in Pennsylvania and to foster their continued proficiency through quality continuing dental education in order to better serve the public. Dental Care Associates - A network of five dental practices that serve communities in central and western Pennsylvania. Description of services and contact details. Dr. Quinn and Dr. Mariotti Orthodontic Practitioners - Dental practice specializing in Orthodontic treatments. Braces and corrective appliances. Offices at 6 Pennsylvania locations. Accessible Dental Services - Provides dental care to individuals with disabilities. Features the team, enrollment, resources and list of locations. Rich Orthodontics - Presents the team, information for new patients, treatments and office locations.