If your teeth appear longer than usual or you experience tooth sensitivity to hot and cold, your gums may have receded, making some of the tooth's root visible. Receding gums are caused by a number of factors, like heavy tartar buildup, gum disease, brushing too aggressively, clenching or grinding your teeth, or genetics.
Because gum tissue can't regrow itself, the only remedy is gum graft surgery, explains the American Academy of Periodontology. However, people may avoid treatment because they fear gum graft pain during or after the procedure. Here's what to expect from your gum graft and aftercare to make it as painless as possible.