Emergency Dental Services provide 24-Hour Dentistry and can handle most dental emergencies. We are available to help patients that are experiencing a dental-related emergency. Dr. Harold & Joni Marcus provide 24-hour dental services in Philadelphia, PA 19142. Dr. Harold & Joni Marcus has conducted research in modern aesthetic dental ceramics and presented their research before the International Association of Dental Research. For more information, Call Now at (215) 600-2322.