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Gingival Recession: Causes, Symptoms & Treatment

Gingival recession refers to the apical displacement of the gum margin, exposing root surfaces of the teeth. It can cause tooth sensitivity and, if untreated, may lead to tooth loss.

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Things worth knowing about "Gingival recession"

Gingival recession refers to the apical displacement of the gum margin, exposing root surfaces of the teeth. It can cause tooth sensitivity and, if untreated, may lead to tooth loss.

What is Gingival Recession?

Gingival recession describes the apical migration of the gingival margin away from the crown of the tooth, resulting in the exposure of the root surface. As the gum tissue recedes, the affected teeth may appear longer than usual, and the sensitive root surfaces become vulnerable to external stimuli. Gingival recession is a common condition affecting people of all ages and is associated with both aesthetic concerns and functional dental problems. The prevalence increases with age, but it can also occur in younger individuals due to mechanical or inflammatory causes.

Causes

Gingival recession is usually multifactorial in origin. The most common contributing factors include:

Improper brushing technique: Brushing too hard or using a horizontal scrubbing motion damages the delicate gum tissue over time.
Periodontitis: Bacterial infection of the supporting structures of the teeth leads to inflammation, bone loss, and gingival recession.
Genetic predisposition: A naturally thin or insufficient volume of gingival tissue increases the risk of recession.
Dental malocclusion: Teeth that are crowded, rotated, or out of alignment are more susceptible to gum recession.
Orthodontic treatment: Tooth movement during orthodontic therapy can stress the surrounding gum and bone tissues.
Oral piercings: Lip or tongue jewelry can cause repeated mechanical trauma to the gingiva.
Hormonal changes: Pregnancy, menopause, and conditions such as diabetes can increase gingival vulnerability.
Bruxism: Habitual teeth grinding places excessive pressure on the teeth and surrounding tissues.
Tobacco use: Smoking reduces blood circulation to the gum tissue, impairing its ability to repair itself.

Symptoms

Gingival recession often develops gradually and may go unnoticed until it reaches a more advanced stage. Common signs and symptoms include:

Teeth appearing longer than usual due to exposed root surfaces
Tooth sensitivity to cold, heat, sweet, or acidic substances
Visible exposure of the tooth root
Redness, swelling, or bleeding of the gums (if accompanied by inflammation)
Formation of gingival pockets between the tooth and gum tissue
Tooth mobility in advanced cases

Diagnosis

The diagnosis of gingival recession is made during a clinical dental examination using the following methods:

Periodontal probing: A calibrated probe is used to measure pocket depth and the extent of gingival margin displacement.
Visual assessment: The dentist evaluates the gum tissue for color, texture, and the position of the gingival margin.
Radiographic examination: X-rays help assess the level of supporting bone and detect any underlying bone loss.
Miller Classification: A widely used system that classifies gingival recession into Classes I through IV based on severity and predicts the prognosis for root coverage procedures.

Treatment

Conservative Measures

In early stages, conservative approaches may slow or stop the progression of recession:

Correction of brushing technique (gentle circular movements, soft-bristled toothbrush or electric toothbrush)
Professional dental cleaning to remove plaque and calculus
Management of underlying periodontitis
Removal of irritating factors such as oral piercings or ill-fitting dental appliances
Desensitizing toothpaste or fluoride treatments for tooth sensitivity

Surgical Treatment

In cases of advanced recession or significant aesthetic concern, surgical intervention may be indicated:

Connective tissue graft: Tissue is harvested from the palate and placed over the exposed root surface. This is considered the gold standard for root coverage.
Free gingival graft: A section of gum tissue from the palate is directly transferred to the recession site.
Lateral pedicle flap: Adjacent gingival tissue is shifted sideways to cover the exposed root area.
Coronally advanced flap: Existing gum tissue is moved upward (coronally) to cover the recession.
Tunnel technique: A minimally invasive procedure in which a connective tissue graft is inserted beneath the gum margin without vertical incisions.

Prevention

Many cases of gingival recession can be prevented with consistent dental hygiene practices and regular professional care:

Regular dental visits (at least twice per year)
Professional dental cleaning and periodontal monitoring
Gentle brushing technique using a soft-bristled or sonic toothbrush
Treatment of bruxism (e.g., with an occlusal splint)
Avoiding tobacco products
Wearing a mouthguard during contact sports

References

Cairo F. - Periodontal plastic surgery of gingival recessions at single and multiple teeth. Periodontology 2000, 75(1): 296-316, 2017.
Chambrone L., Tatakis D.N. - Periodontal soft tissue root coverage procedures: A systematic review from the AAP Regeneration Workshop. Journal of Periodontology, 86(2): 8-51, 2015.
Kassab M.M., Cohen R.E. - The etiology and prevalence of gingival recession. Journal of the American Dental Association, 134(2): 220-225, 2003.

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