RGV Orthodontics | My dental clinic primarily has colors white, purple, and tan, in that order of importance. Our phone number is 956-682-6114. We have a location in McAllen at 6316 North 10th Street Building K McAllen, TX 78504, and in Fair Oaks, at 28214 IH-10 West, Suite 101 Fair Oaks, TX 78006.