Gingival recession occurs when the gum tissue surrounding the teeth gradually moves downward (or upward for upper teeth), exposing more of the tooth surface or the root. Healthy gums normally cover and protect the tooth root, but when the gum margin shifts away from the tooth, the underlying root structure can become visible.Several factors can contribute to this process, including gum disease, aggressive brushing, thin gum tissue, or mechanical stress on the teeth. When gum tissue recedes, the root surface, covered by a softer material called cementum, becomes exposed to the oral environment.If recession continues, the exposed root may become more sensitive to temperature or touch and may be more vulnerable to root decay. The degree of recession can vary from mild exposure of the root surface to more advanced cases where significant gum tissue and supporting bone have been lost. Early identification allows dental professionals to manage the underlying cause and protect the exposed areas.
UnderstandingÂ
Gingival Recession
Clinical Significance
Can lead to tooth sensitivity, root exposure, root surface cavities, aesthetic concerns, plaque accumulation around exposed roots, and increased risk of tooth mobility if associated with periodontal disease.
Common Causes
Periodontal disease, aggressive tooth brushing, thin gum tissue or genetic predisposition, teeth grinding (bruxism), tobacco use, misaligned teeth, orthodontic movement, aging.
Signs & Symptoms
Possibly none, gums appearing lower on the tooth, exposed tooth roots, tooth sensitivity to cold or touch, notches near the gumline, longer-looking teeth.
How It's Detected
Clinical dental exam, visual inspection of gum position, periodontal probing measurements, evaluation of gum attachment levels, dental X-rays to assess supporting bone.
Treatment Options
Improved oral hygiene techniques, desensitizing treatments, fluoride application, dental bonding to cover exposed roots, gum graft surgery, orthodontic correction in selected cases, monitoring without treatment.
Benefits to Treatment
Reduces tooth sensitivity, protects exposed root surfaces, improves gum coverage, lowers risk of root cavities, and helps maintain long-term tooth stability.
Prevention
Using a soft-bristled toothbrush, brushing gently with proper technique, regular dental cleanings, managing gum disease early, wearing a night guard if teeth grinding occurs, avoiding tobacco products.
Frequently Asked Questions
What causes gums to recede?
Gingival recession can occur for several reasons. One of the most common causes is periodontal (gum) disease, which damages the tissues supporting the teeth. Mechanical factors such as aggressive brushing or using a hard-bristled toothbrush can also gradually wear away gum tissue. Other contributing factors may include genetics, teeth grinding, tobacco use, or misaligned teeth that place uneven pressure on the gums. In many cases, multiple factors contribute to the recession process over time.
Are receding gums permanent?
Gum tissue that has receded does not typically grow back on its own. Once the gum margin moves away from the tooth, the exposed root generally remains visible unless treated. However, dentists can help manage the condition and protect the affected area. Treatments such as improving oral hygiene techniques, applying desensitizing agents, or performing gum graft procedures may help cover exposed roots and improve gum stability.
Do receding gums cause tooth sensitivity?
Yes, gingival recession can cause tooth sensitivity because the root surface becomes exposed. Unlike the crown of the tooth, which is protected by enamel, the root is covered by a softer material called cementum. When this area becomes exposed, temperature changes from hot or cold foods and beverages can reach the dentin layer more easily. This may trigger short, sharp sensitivity in affected teeth.
How are receding gums treated?
Treatment depends on the cause and severity of the recession. Mild cases may be managed by improving brushing technique, using a soft toothbrush, and applying fluoride or desensitizing treatments to exposed root surfaces. When recession is more significant, dentists or periodontists may recommend a gum graft procedure. This surgery uses tissue from another area of the mouth or a donor source to cover exposed roots and restore gum coverage.
Can gingival recession lead to tooth loss?
In mild cases, gingival recession may primarily cause cosmetic changes or sensitivity. However, when recession is associated with advanced periodontal disease, the supporting bone and tissues around the tooth may also be affected. If this supporting structure continues to deteriorate, teeth may gradually become loose. Early diagnosis and treatment can help reduce the risk of progression and preserve the stability of affected teeth.