Dr. Mark K. Claxton has evening and Saturday appointments and can handle any dental emergency At Dental Associates of Irving, Dr. Mark K. Claxton , Dr. Robert A Bettis and Dr. Jerry M. Turner provide effective, friendly and complete dental service to all their clients. The office has approval of the ADA, meeting all approved infection control standards. We offer senior discounts, consultations and affordable payment plans. Insurance assignment is accepted. Most importantly, we work around your schedule. We have evening and Saturday appointments available. Be sure to check out our internet users special for a great deal