Gum recession is a condition in which the gum line gradually moves away from its original position, exposing more of the tooth root. This can make the teeth appear longer and may also cause tooth sensitivity. There are many possible causes, including aggressive tooth brushing, plaque buildup and periodontal disease, tooth position, smoking, and naturally thin gum tissue. In most cases, receded gums do not grow back on their own. Treatment therefore begins with identifying and addressing the underlying cause, and not everyone with gum recession will necessarily need gum graft surgery.
Have you ever noticed that some of your teeth look longer than they used to, or that the area near the gum line appears to expose part of the tooth root? These changes may not mean that your teeth are actually “getting longer.” Instead, they could be a sign of gum recession, a condition in which the gum line moves away from its original position and exposes more of the root surface.
Gum recession can affect a single tooth or multiple teeth. It is not caused only by poor oral hygiene. Other contributing factors may include aggressive brushing, gum disease or periodontal disease, tooth position, smoking, and the natural thickness and characteristics
What Is Gum Recession with Exposed Tooth Roots? Why Do Teeth Look Longer?
Gum recession is a condition in which the gum line moves away from its normal position toward the tooth root, exposing more of the root surface. Some people may experience gum recession around only one tooth, while others may notice it in several areas at the same time.
One of the first things many people notice is that their teeth appear longer. However, the teeth themselves are not actually growing or becoming longer. What becomes more visible is the root surface because the gum line has receded from its original position.
As more of the tooth root becomes exposed, tooth sensitivity may occur when consuming cold, hot, sweet, or acidic foods and drinks. Some people may also experience sensitivity while brushing because the root surface is not protected by enamel in the same way as the crown of the tooth.
Therefore, if your teeth appear longer than before, it does not mean that the teeth are growing. It may be a sign that the gums are receding.
What Causes Gum Recession? 6 Common Causes
Many people assume that gum recession is caused only by brushing too hard or by poor oral hygiene. In fact, gum recession can have several different causes, and some people may have more than one contributing factor.
1. Brushing Too Hard
Using excessive pressure while brushing or repeatedly scrubbing around the neck of the tooth and gum line may traumatize the surrounding tissue over time, particularly in people with naturally thin gum tissue.
Brushing effectively does not mean brushing forcefully. It is important to use gentle pressure and choose a soft-bristled toothbrush.
2. Plaque and Tartar Buildup
When teeth are not cleaned thoroughly, bacterial plaque can accumulate along the gum line. Over time, plaque may harden into tartar and contribute to gum inflammation.
If inflammation progresses and affects the tissues and bone supporting the teeth, it may be associated with tissue loss around the teeth and gum recession.
3. Gum Disease and Periodontal Disease
Periodontal disease is an inflammatory condition that affects the tissues and bone supporting the teeth. As the disease progresses, it may lead to bone loss around the teeth, gum recession, tooth mobility, or changes in tooth position.
If gum recession occurs together with symptoms such as bleeding gums, persistent bad breath, loose teeth, or changes in the spaces between teeth, a periodontal evaluation is recommended.
4. Tooth Position or Alignment
Some teeth may be tilted or positioned in areas where the surrounding bone and gum tissue are relatively thin. In certain cases, these teeth may have a greater risk of developing gum recession than others.
5. Individual Gum Tissue Characteristics
The thickness and characteristics of gum tissue vary from person to person. Individuals with naturally thin gum tissue may be more prone to gum recession than those with thicker gum tissue.
6. Smoking and Gum Trauma
Smoking, injuries to the gums, or habits that repeatedly irritate or traumatize gum tissue may also affect gum health and contribute to gum recession.
For this reason, treatment for gum recession should begin with identifying the underlying cause rather than making a diagnosis based on appearance alone.
Are Gum Recession and Gingivitis the Same?
No. They are different conditions, although they can be related.
Gingivitis commonly causes red, swollen, or easily bleeding gums, with bacterial plaque along the gum line being one of the main contributing factors.
Gum recession, on the other hand, occurs when the gum line moves away from its original position, exposing more of the tooth root and making the tooth appear longer.
If gum inflammation progresses to periodontal disease and causes loss of the tissues or bone supporting the teeth, gum recession may occur as part of the condition.
However, having gum recession does not necessarily mean that a person also has gingivitis. Gum recession may result from other factors, including aggressive brushing, tooth position, or naturally thin gum tissue.
If you also notice redness, swelling, or bleeding gums, you can learn more about gingivitis, its causes, symptoms, and treatment to better understand common gum health problems.
Signs That Your Gums May Be Receding
The symptoms of gum recession can vary from person to person, and some people may not experience any pain. Possible signs include:
- One or more teeth appearing longer than the surrounding teeth
- More of the tooth neck or root becoming visible
- The gum line around certain teeth appearing lower than others
- Tooth sensitivity when consuming cold, hot, sweet, or acidic foods and drinks
- Sensitivity around the gum line while brushing
- Changes in the shape or level of the gum line
- Changes in the spaces between teeth
Some people may not experience tooth sensitivity at all and may only notice that a tooth looks longer or that the gum levels on each side are uneven.
If gum recession is accompanied by bleeding gums, redness or swelling, persistent bad breath, loose teeth, pus, or increasing spaces between the teeth, a dental examination is recommended, as these symptoms may indicate gum disease or periodontal disease.
Is Gum Recession with Exposed Tooth Roots Dangerous?
Gum recession does not only affect appearance or make the teeth look longer. As more of the root surface becomes exposed, other oral health problems may develop.
Increased Tooth Sensitivity
The root surface does not have the same protective enamel layer as the crown of the tooth. As a result, it may become more sensitive to cold, heat, sweetness, acidity, and other stimuli.
Increased Risk of Root Cavities
When the tooth root becomes exposed, plaque buildup and inadequate cleaning may increase the risk of developing tooth decay on the root surface.
Changes in Smile Aesthetics
Uneven gum recession can make some teeth appear longer than others, affecting the overall proportions of the teeth and gums when smiling.
Periodontal Disease May Affect the Supporting Tissues of the Teeth
If gum recession occurs together with periodontal disease and the condition is left untreated, further loss of the tissues and bone supporting the teeth may occur. In severe cases, the teeth may become loose and the risk of tooth loss may increase.
However, seeing a small amount of exposed tooth root does not necessarily mean that surgery is immediately required. The severity and appropriate treatment can vary from person to person, so evaluation by a dentist is recommended.
Can Receding Gums Grow Back on Their Own?
In general, gum tissue that has receded and been lost cannot naturally grow back to cover the exposed tooth root in the same way as before.
However, when gum recession is detected early, the contributing factors can often be managed to help reduce the risk of further recession. This may include:
- Improving brushing technique
- Reducing brushing pressure
- Controlling plaque and tartar buildup
- Treating gum disease or periodontal disease
- Evaluating tooth position and alignment
- Monitoring gum levels regularly
Therefore, the most important question is not simply “How can I make my gums grow back?” but rather “What is causing my gum recession?” Identifying the cause helps the dentist recommend the most appropriate care and treatment.
How Is Gum Recession Treated? Does Everyone Need a Gum Graft?
Not everyone with gum recession needs a gum graft.
Treatment depends on the underlying cause, severity of the recession, tooth sensitivity, the condition of the tissues surrounding the teeth, and other individual factors.
If Gum Recession Is Caused by Aggressive Brushing
Treatment may begin with improving brushing technique, reducing pressure, and using a soft-bristled toothbrush to prevent further trauma to the gum line.
If Plaque or Tartar or Gum Disease Is Present
The inflammation and buildup around the teeth need to be controlled. Depending on the condition, the dentist may recommend professional scaling or scaling and root planing.
If Tooth Sensitivity Is Present
There are several ways to help manage tooth sensitivity, such as using toothpaste formulated for sensitive teeth, fluoride-containing products, or other dental treatments depending on the dentist’s evaluation.
If Tooth Position Contributes to Gum Recession
In some cases, the position of the teeth, surrounding bone, and gum tissue may need to be evaluated together to determine the most appropriate treatment approach.
If Gum Recession Is Severe or There Are Specific Indications
A dentist or periodontist may recommend periodontal surgery, such as a gum graft or root coverage procedure, to increase the amount of gum tissue in the affected area, reduce root exposure, or help relieve sensitivity when appropriate.
Treatment should therefore be individualized, and the most suitable approach should not be determined based on the appearance of gum recession alone.
When Should You See a Dentist for Gum Recession?
You should consider seeing a dentist if you begin to notice any of the following:
- Your teeth appear longer than before
- More of the tooth root becomes visible
- Gum recession appears to be getting progressively worse
- Sensitivity around the tooth neck or root
- Red, swollen, or easily bleeding gums
- Persistent bad breath
- Loose teeth
- Changes in the spaces between teeth or tooth alignment
A dentist can measure the gum line, evaluate the condition of the tissues surrounding the teeth, and perform additional examinations when necessary to determine whether the gum recession is related to brushing habits, periodontal disease, tooth position, or other contributing factors.
The earlier the cause is identified, the easier it is to plan appropriate care and treatment for the specific problem.
How Can You Prevent Gum Recession from Getting Worse?
Proper oral care can help reduce factors that may contribute to further gum recession. Recommended steps include:
- Use a soft-bristled toothbrush
- Brush gently and avoid scrubbing aggressively around the gum line
- Brush twice a day with fluoride toothpaste
- Clean between your teeth regularly
- Keep plaque and tartar buildup under control
- Avoid smoking
- Attend regular dental check-ups as recommended by your dentist
If you have specific risk factors, such as naturally thin gum tissue, unusual tooth positioning, or existing periodontal disease, regular monitoring is especially important to determine whether the gum level remains stable or continues to recede.
Gum recession can result from many different factors, including aggressive brushing, plaque and tartar buildup, gum disease and periodontal disease, tooth position, smoking, and individual gum tissue characteristics.
If you begin to notice that your teeth look longer, the gums have receded enough to expose the tooth roots, or you experience tooth sensitivity, it is recommended to have the area examined early to identify the underlying cause. Treatment and management can vary from person to person, and not every case of gum recession requires a gum graft.
If you notice that your teeth are starting to look longer, the tooth roots are becoming exposed, or you are experiencing tooth sensitivity, you can consult a dentist at About Tooth Dental Clinic for a gum health evaluation. The dentist can assess the severity of the gum recession and determine whether gum disease, periodontal disease, or other contributing factors are present before recommending an individualized treatment plan.
You can book an appointment with a dentist for consultation and an oral health assessment at About Tooth Dental Clinic. We are open at both our Siam and Punnawithi branches, conveniently located right next to the BTS stations at each location. For more information or to schedule an appointment in advance, please call 087-555-4665 or 080-481-5555, or add us on LINE Official Account at @abouttooth to chat with our team.
References
Gum Recession. Accessed August 4, 2026. from: https://my.clevelandclinic.org/health/diseases/22753-gum-recession?utm_source=chatgpt.com
Frequently Asked Questions About Gum Recession (FAQ)
Q: What causes gum recession?
Gum recession can be caused by several factors, including aggressive tooth brushing, periodontal disease, plaque and tartar buildup, tooth position, naturally thin gum tissue, smoking, or trauma to the gums.
Q: Can receding gums grow back on their own?
In general, gum tissue that has receded and been lost does not naturally grow back to its original position. However, the underlying cause can be treated and risk factors can be controlled to help prevent further gum recession.
Q: Does everyone with gum recession need a gum graft?
No. A gum graft is not necessary for everyone. Whether it is recommended depends on the severity of the recession, the characteristics of the gum tissue, symptoms, risks to the exposed root surface, and the dentist’s evaluation.
Q: Can gum recession cause tooth sensitivity?
Yes. When gum recession exposes the tooth root, the area may become more sensitive to cold, hot, sweet, or acidic foods and drinks. Some people may also experience sensitivity while brushing.
Q: What is the difference between gum recession and gingivitis?
Gingivitis commonly causes red, swollen, and easily bleeding gums. Gum recession, on the other hand, occurs when the gum line moves away from its original position and exposes more of the tooth root. The two conditions can occur together, but having gum recession does not necessarily mean that a person also has gingivitis.
Q: Can gum recession cause teeth to fall out?
Gum recession alone does not necessarily mean that a tooth will fall out. However, if periodontal disease is also present and causes loss of the bone supporting the teeth, severe disease may lead to loose teeth and increase the risk of tooth loss.
Q: Does mild gum recession need treatment?
It depends on the cause and severity. Some mild cases may not require surgical treatment, but a dental examination is recommended to determine whether the recession is stable or progressing and to manage the underlying factors as early as possible.
Q: How is gum recession caused by aggressive brushing treated?
The first step is to improve brushing technique, reduce brushing pressure, and use a soft-bristled toothbrush. If gum recession has already occurred, a dentist should assess the severity and determine whether any additional treatment is needed.
Q: Can gum recession increase the risk of root cavities?
Yes. Exposed root surfaces are not protected by enamel in the same way as the crowns of the teeth. This may increase the risk of root decay, especially when plaque accumulates or the area is difficult to clean effectively.
Q: Can gum recession affect only one tooth?
Yes. Gum recession may affect a single tooth, several teeth, or multiple areas of the mouth, depending on factors such as brushing habits, tooth position, and the characteristics of the surrounding gum tissue.
Q: Can gum recession occur after orthodontic treatment?
Some people may experience gum recession during or after orthodontic treatment, but this does not mean that orthodontic treatment causes gum recession in everyone. The risk depends on several factors, including the original tooth position, bone structure, gum thickness, and periodontal health. Each case should therefore be evaluated individually by a dentist.
Q: What type of toothpaste should I use for gum recession?
If tooth sensitivity is present, a toothpaste formulated for sensitive teeth and containing fluoride may help reduce discomfort. However, toothpaste cannot make receded gums grow back. If you have gum recession, it is important to have the underlying cause evaluated as well.
Q: What type of toothbrush should I use for gum recession?
A soft-bristled toothbrush is generally recommended. Teeth should be brushed with appropriate pressure, while avoiding aggressive scrubbing around the gum line and tooth neck, as repeated trauma may further irritate the gum tissue.
Q: When should I see a dentist for gum recession?
You should see a dentist if you notice exposed tooth roots, teeth that appear longer than before, progressively worsening gum recession, or tooth sensitivity. It is especially important to seek an evaluation if you also experience bleeding gums, redness or swelling, persistent bad breath, or loose teeth.
Dr. Nisara Tanarerkchai, D.D.S. is a dentist specializing in dental implants, orthodontics, and veneers. She graduated from the Faculty of Dentistry at Thammasat University. With extensive professional experience, she holds multiple certificates in various dental fields, including Advanced General Dentistry, Dental Implants, Advanced Orthodontics, as well as certificates in the Veneer Bootcamp and the Veneer Masterclass. Additionally, she is certified as a Platinum Provider of Invisalign for 2021 and achieved Zenyum Star Tier status in 2023.
Currently, Dr. Thanaruksachai is the founder of About Tooth Dental Clinic, which received the World Class Award 2021 in the category of The Best of International Healthy Business. She is also serves as a member of the Thai Association of Dental Implants (TADI).