Why Is My Gum Receding on One Tooth?

Recognizing Gum Recession

Gum recession on a single tooth manifests through several signs. Visually, the affected tooth may appear longer than its neighbors, with more of the tooth’s surface exposed. A visible root surface, often darker or yellower than the enamel, can become apparent near the gum line. A distinct notch or indentation may also form at the gum line where the gum has receded.

Beyond visual cues, individuals may experience increased tooth sensitivity. This sensitivity occurs when consuming hot, cold, or sweet foods and beverages, as the exposed root surface lacks the protective enamel layer. Some people report a feeling of a “ledge” at the gum line when they run their tongue or finger along the tooth.

Underlying Reasons for Single Tooth Recession

Gum recession affecting only one tooth stems from specific localized factors rather than generalized oral health issues. One common cause is aggressive tooth brushing, where excessive force or an incorrect scrubbing motion can wear away delicate gum tissue. Using a hard-bristled toothbrush can exacerbate this erosion, causing the gum to pull back from the tooth.

The alignment of teeth also plays a role, as a tooth positioned slightly out of alignment in the dental arch can be more susceptible to recession. This misalignment can lead to uneven pressure distribution during chewing or make the area more difficult to clean effectively, causing the gum tissue to recede. Direct physical trauma, such as an accidental blow to the mouth or an injury from a sharp object, can also damage the gum tissue around a single tooth, leading to localized recession.

Oral piercings, particularly those in the lip or tongue, can contribute to gum recession by constantly rubbing against the gum tissue. This chronic irritation can cause the gum to gradually wear away from the tooth it contacts. Forces from bruxism, which is the grinding or clenching of teeth, can also concentrate excessive pressure on a single tooth. Over time, this sustained force can contribute to the breakdown of the bone and gum tissue supporting that specific tooth, resulting in recession.

While periodontal disease can affect the entire mouth, it sometimes manifests as a localized infection impacting the supporting structures around a single tooth. This localized inflammation and bone loss can cause the gum tissue to detach and recede from that specific tooth.

Professional Treatment Options

Addressing gum recession on a single tooth involves professional interventions tailored to the underlying cause and severity. A deep cleaning procedure, known as scaling and root planing, is the initial step if inflammation and plaque buildup are contributing factors. This treatment meticulously removes plaque and tartar from above and below the gum line, smoothing the root surfaces to encourage gum reattachment and reduce inflammation.

For more significant recession where the tooth root is exposed or gum tissue is deficient, various gum grafting procedures can be performed. A connective tissue graft involves taking tissue from beneath the surface of the roof of the mouth and transplanting it to the affected area to cover the exposed root and thicken the gum. A free gingival graft uses a small piece of tissue directly from the palate, while a pedicle graft slides gum tissue from an adjacent tooth over the exposed root, maintaining its blood supply.

The Pinhole Surgical Technique (PST) offers a less invasive alternative for cases of recession. This method involves making a small hole in the gum tissue, through which specialized instruments are used to gently loosen and reposition the existing gum tissue to cover the exposed root. The choice of treatment depends on factors such as the amount of gum tissue available, the extent of recession, and the overall health of the surrounding bone and gums.

Maintaining Gum Health and Preventing Recurrence

Preventing further gum recession and maintaining gum health, especially after professional treatment, centers on consistent oral hygiene practices. Switching to a soft-bristled toothbrush and adopting a gentle, circular brushing motion helps clean teeth effectively without damaging delicate gum tissue. Avoiding aggressive scrubbing ensures that the gums are not inadvertently worn away over time.

Regular dental check-ups and professional cleanings help monitor gum health and address any signs of early recession or inflammation. These visits allow dental professionals to remove hardened plaque and tartar that cannot be removed by brushing alone, which can contribute to gum irritation. If underlying issues such as bruxism are identified, wearing a custom-fitted nightguard can protect teeth and gums from the excessive forces of clenching or grinding.

Correcting misaligned teeth through orthodontic treatment can alleviate uneven pressure points that contribute to localized recession. For individuals with oral piercings that irritate the gums, removing the piercing can eliminate the source of chronic trauma. Avoiding tobacco products is also important, as smoking and other forms of tobacco can impair gum tissue healing and increase susceptibility to gum problems.