Gum recession occurs when the gum tissue surrounding the teeth pulls back, exposing more of the tooth or its root. This condition can lead to increased sensitivity, a higher risk of tooth decay, and aesthetic concerns. Factors contributing to gum recession include gum disease, aggressive brushing, and genetic predisposition. Preventing gum recession involves maintaining good oral hygiene, including regular brushing and flossing, and visiting a dentist for check-ups. Treatment options may include scaling and root planing, gum grafts, or other dental procedures to restore gum health and protect the teeth.