Dr. Nathan McGuire is an orthodontist at Westrock Orthodontics in Rock Hill, MO. Providing braces and Invisalign®. We treat children, teens, and adults, providing custom treatment plans for every patient. From invisible aligners, clear braces, traditional braces to retainers, Westrock Orthodontics has you covered. In 2015, Westrock Orthodontics was founded, paying homage to the two founding locations in West Plains, MO and Little Rock, AR. Westrock Orthodontics is made possible by a group of private practitioners that have banded together to provide the highest quality of care possible through the sharing of ideas, techniques, and management skills utilizing the advantage of doctor-to-doctor consultation.