Gum enlargement, also called gingival enlargement or gingival hyperplasia, happens when the gum tissue becomes swollen, thick, or overgrown around the teeth. Some people notice puffy gums, bleeding while brushing, teeth that look shorter, or gum tissue slowly covering more of the tooth surface.
This condition can happen for several reasons. The most common causes include plaque buildup, gum disease, certain medications, hormonal changes, genetics, and some medical conditions. Treatment depends on the cause. Some cases improve with professional cleaning and better home care, while more severe or fibrous gum overgrowth may need gum reshaping or gingivectomy.
At Magnolia Dentistry, we check the cause first before recommending treatment. If the gum enlargement is related to inflammation, we focus on cleaning and infection control. If it is linked to medication or a medical condition, we may coordinate with your physician. If excess gum tissue affects your smile or makes cleaning difficult, we can discuss safe treatment options to restore gum health and appearance.
Table of Contents
What Is Gum Enlargement?
Gum enlargement means the gum tissue has become larger than normal. It may look swollen, puffy, thick, firm, or overgrown. In some cases, the gums may cover too much of the teeth and make the teeth look smaller.
Mild gum enlargement is often caused by inflammation from plaque buildup. More persistent gum overgrowth may be related to certain medications, genetics, hormones, or systemic health conditions.
Treatment may include professional dental cleaning, scaling and root planing, better brushing and flossing habits, antimicrobial rinses, medication review with a physician, gum reshaping, gingivectomy, or laser gum treatment in selected cases.
The right treatment depends on whether the gum tissue is swollen from inflammation or enlarged because of fibrous tissue overgrowth.
Common Causes of Gum Enlargement
Gum enlargement can have more than one cause. This is why a dental exam is important before choosing treatment.
Plaque Buildup and Gingivitis
Plaque is one of the most common reasons gums become swollen and enlarged. When plaque sits along the gumline, it irritates the tissue and can lead to gingivitis.
Gingivitis often causes gums to look red, swollen, tender, or easy to bleed. MouthHealthy explains that gingivitis is the early stage of gum disease and is caused by plaque buildup around the teeth and below the gumline.
If plaque and tartar are the main cause, a professional cleaning and better daily care may reduce the swelling. Our guide on removing plaque effectively at home covers techniques that specifically target the gumline where plaque most commonly triggers enlargement.
Gum Disease
If gingivitis is not treated, it can progress into periodontitis. At this stage, deeper gum pockets, bone loss, bad breath, gum recession, and loose teeth may develop.
Gum enlargement linked to gum disease should not be ignored because the extra tissue can trap more plaque and make cleaning even harder. Understanding the early signs of gum disease helps you catch the problem before gum overgrowth becomes severe or treatment-resistant.
Mayo Clinic explains that gingivitis can cause irritation, redness, and swelling of the gums, and that untreated gingivitis can lead to more serious gum disease and tooth loss.
Medication-Induced Gum Enlargement
Some medications can cause gum tissue to grow more than normal. This is often called drug-induced gingival enlargement.
Common medication categories linked with gum enlargement include anti-seizure medications, some blood pressure medications such as calcium channel blockers, and immunosuppressant medications.
This does not mean you should stop taking your medication. Never change or stop prescribed medicine without speaking to your physician. Your dentist can help manage the gum tissue and may coordinate with your doctor if a medication review is needed.
Cleveland Clinic explains that gingival hyperplasia refers to gum overgrowth, and causes may include certain medications or poor oral hygiene.
Hormonal Changes
Hormonal changes during pregnancy, puberty, or menopause can make gum tissue more sensitive to plaque and inflammation. Some patients notice swelling, bleeding, or tenderness during these times. Good oral hygiene and regular dental visits can help control inflammation before it becomes more severe.
Genetics and Medical Conditions
Some people are more prone to gum overgrowth because of genetics. In rare cases, gum enlargement may also be linked with systemic health conditions. If gum swelling appears suddenly, grows quickly, bleeds heavily, or does not improve with cleaning, a dentist should evaluate it.
What Does Gum Enlargement Look Like?
Gum enlargement can look different from one patient to another. Some gums look soft, red, and swollen. Others look firm, thick, and fibrous.
Common signs of gum enlargement:
- Gums that look puffy or swollen
- Gums that cover more of the teeth
- Teeth that look shorter than before
- Bleeding while brushing or flossing
- Tender or irritated gums
- Bad breath
- Food getting trapped around the gums
- Difficulty cleaning between teeth
- Uneven gumline
- A gummy smile appearance
Pain is not always present. Some patients only notice a change in gum shape or tooth coverage.
When gum enlargement may be more serious: Schedule a dental exam if the gums keep growing, bleed often, feel painful, trap food, or make it hard to brush and floss. You should also seek care if the gum tissue changes quickly or appears unusual in color, shape, or texture.
Gum Growing Over One Tooth: What It Means and What to Do
When gum tissue grows over just one tooth — rather than across the entire mouth — there is usually a specific local cause. This is one of the most common gum concerns patients search for, and the answer is different from general gum enlargement.
Why gum may be growing over a single tooth:
- Plaque accumulation around one tooth — if one area is consistently missed during brushing or flossing, localized inflammation causes that specific gum to swell and enlarge over time
- Partially erupted tooth — a tooth that has not fully come through the gum (common with wisdom teeth and sometimes second molars) creates a gum flap called an operculum that can become infected and swollen
- Localized gum infection — a bacterial infection affecting one tooth’s surrounding gum tissue
- Trauma or irritation — a rough filling edge, a poorly fitting crown, or a sharp food fragment repeatedly irritating one area
- Post-treatment healing — after certain dental procedures, temporary gum swelling around one tooth is normal
Why is my gum growing over my back tooth?
Back teeth — especially the last molars and wisdom teeth — are the most common location for gum growing over a tooth. The reasons include:
- Wisdom teeth that are partially erupted leave a pocket of gum (a flap called pericoronitis when infected) that traps food and bacteria and becomes increasingly inflamed
- Back molars are harder to clean thoroughly, so plaque accumulates more easily near the gumline
- If a wisdom tooth is impacted or growing at an angle, it puts pressure on the gum tissue above
If your gum is growing over one back tooth and you feel pain, a bad taste, swelling, or difficulty opening your mouth fully, contact your dentist promptly. This may indicate pericoronitis (infection of the gum flap over a wisdom tooth), which requires professional treatment.
What to do if gum is growing over one tooth:
- Clean the area gently but thoroughly — use a soft toothbrush angled toward the gumline and a water flosser or interdental brush
- Rinse with warm salt water to reduce bacterial irritation
- See your dentist within 1–2 weeks — localized gum overgrowth over one tooth will not resolve on its own if caused by a structural issue or persistent local infection
- If the tooth is a wisdom tooth with a gum flap causing repeated infection, extraction may be the most appropriate long-term solution
Gum Growing Between Teeth: Causes and Treatment
Gum tissue that appears to be growing up or pushing between two teeth is a specific concern that has its own set of causes. The triangular gum tissue between two teeth is called the interdental papilla, and when it becomes enlarged or appears to grow upward, it is often a sign of underlying inflammation.
Common reasons gum grows between teeth:
- Chronic gingivitis in the interdental space — plaque and food that consistently collect between two teeth cause the papilla to become chronically inflamed and swollen, making it appear to “grow”
- Gum disease — periodontitis can cause irregular tissue changes in gum pockets, including swelling that pushes gum tissue upward between teeth
- Tight contact between teeth — teeth that are crowded or have a very tight contact point can trap food and irritate the papilla
- Medication effects — drug-induced gum enlargement often appears most visibly in the interdental areas between teeth
Is gum growing between teeth serious?
Not always, but it should be evaluated. If the interdental gum tissue is swollen, red, and bleeds easily, it is likely inflamed from plaque and may respond to professional cleaning and improved flossing technique. If the tissue is firm, pink, and does not bleed easily, it may be fibrous tissue overgrowth that requires gum reshaping.
What to do:
- Floss daily between the affected teeth, gum tissue that grows between teeth often does so because that space is consistently under-cleaned
- Use an interdental brush or water flosser to clean below the gumline in that area
- Schedule a dental exam so the dentist can assess whether the tissue is inflamed or overgrown
- If deep cleaning does not resolve the issue, a minor gingivectomy procedure can reshape the interdental tissue
How to Stop Gums From Growing Over Teeth
If you are noticing your gums gradually covering more of your teeth, you are likely dealing with either chronic gum inflammation or fibrous gum overgrowth. Here is what you can do:
Step 1: Improve your brushing technique at the gumline Angle your toothbrush at 45 degrees toward the gumline and use gentle, circular motions. The goal is to clean the area where gum meets tooth — this is where plaque accumulates and causes the inflammation that drives gum overgrowth.
Step 2: Add an interdental cleaning tool If gums are growing over your teeth, standard brushing is not enough. Use dental floss, a water flosser, or interdental brushes daily to remove the plaque that accumulates under the gumline and between teeth. This is the area most often missed.
Step 3: Get a professional cleaning If plaque and tartar have built up below the gumline, home care alone cannot remove it. A professional cleaning — and potentially scaling and root planing for deeper deposits — removes the buildup that drives chronic gum inflammation.
Step 4: Rule out medication causes If you take calcium channel blockers, anti-seizure medications, or immunosuppressants, discuss with your dentist whether your medication may be contributing. Even if the medication cannot be changed, more frequent cleanings (every 3 months rather than every 6) can significantly reduce medication-related gum overgrowth.
Step 5: Treat remaining excess tissue If professional cleaning reduces inflammation but excess firm gum tissue remains, a gingivectomy or laser gum reshaping can remove the overgrown tissue and restore normal gum contour. This is a routine outpatient procedure.
Fibrotic Gums: What They Are and Why They Don’t Resolve with Cleaning
Fibrotic gums are gum tissue that has become dense, firm, and tough rather than soft and inflamed. Unlike inflammatory gum swelling — which often reduces with professional cleaning and better home care — fibrotic gum tissue is caused by actual changes in the gum’s connective tissue structure.
Why fibrotic gum tissue develops:
- Long-standing inflammation that has caused the tissue to scar and harden over time
- Medication-induced gingival enlargement, where the drug causes excess collagen production in the gum tissue
- Genetic predisposition to fibrous gum growth
- Systemic conditions affecting connective tissue
How fibrotic gums look: Firm, pale pink or whitish, dense tissue that does not bleed easily when probed. It does not feel tender the way inflamed gum tissue does, but it may trap plaque, make cleaning difficult, and affect the appearance of the smile.
Treatment for fibrotic gums: Scaling and root planing can clean around fibrotic tissue but cannot remove it. Gingivectomy — surgical removal of the excess fibrous tissue, is the standard treatment. In some practices, laser gum treatment is used as an alternative. The tissue is reshaped to a normal contour, restoring proper gum architecture.
Can Gum Enlargement Go Away on Its Own?
Gum enlargement may improve if it is caused by mild inflammation from plaque and you start cleaning the area properly. However, gum overgrowth does not always go away on its own.
If the tissue has become thick, fibrous, medication-related, or severe, it may need professional treatment. A dental cleaning can reduce inflammation, but excess tissue may still remain if the overgrowth is advanced.
This is why diagnosis matters. The dentist must find out whether the gums are swollen from inflammation or overgrown because of tissue changes.
How Dentists Diagnose Gum Enlargement
A dentist will first examine the gums, teeth, plaque levels, and gum pockets. The goal is to find the cause, not just treat the visible swelling.
Your exam may include checking gum color, size, and texture, measuring gum pocket depths, looking for plaque and tartar buildup, checking for bleeding during probing, reviewing your medication history, reviewing medical conditions, taking dental X-rays if bone loss or infection is suspected, and checking whether gum tissue is soft and inflamed or firm and fibrous.
Mayo Clinic explains that gum exams may include reviewing dental and medical history, looking for plaque or swelling, measuring pocket depth, and taking dental X-rays if bone loss is suspected.
In some cases, further testing may be needed if the gum tissue looks unusual or the cause is not clear.
How Is Gum Enlargement Treated?
Treatment depends on what caused the gum enlargement. A patient with plaque-related gum swelling may need a different plan than someone with medication-related gum overgrowth.
Professional Dental Cleaning
If plaque and tartar are causing gum inflammation, a professional cleaning may be the first step. Removing buildup can help the gums calm down and reduce swelling. This is often helpful for mild gum enlargement linked with gingivitis.
Scaling and Root Planing
If gum pockets are deeper or gum disease is present, scaling and root planing may be recommended. This deep cleaning removes bacteria and tartar below the gumline and helps the gums heal more closely around the teeth.
Mayo Clinic describes scaling and root planing as treatment that removes tartar and bacteria from tooth surfaces and under the gums, then smooths the roots to support healing.
Better Home Care
Daily brushing and flossing are important because gum enlargement can create spaces where plaque collects. Your dentist may recommend a soft toothbrush, electric toothbrush, water flosser, interdental brushes, or an antimicrobial rinse.
Medication Review
If medication is contributing to gum enlargement, your dentist may speak with your physician about whether an alternative is possible. You should never stop or change medication on your own. Even when medication cannot be changed, frequent cleanings and better plaque control can help reduce inflammation around the enlarged gums.
Gingivectomy
A gingivectomy removes excess gum tissue and reshapes the gumline. It may be recommended when the gum tissue is too thick, traps plaque, affects speech or chewing, or creates cosmetic concerns.
Cleveland Clinic notes that treatment for gingival hyperplasia may involve oral surgery to remove excess gum tissue.
Laser Gum Treatment
Laser gum treatment may be used in selected cases to reshape excess gum tissue with less bleeding and faster comfort for some patients. Your dentist will explain whether laser treatment is suitable for your case.
Is Gum Enlargement the Same as a Gummy Smile?
Not always. A gummy smile means more gum tissue shows when you smile. Gum enlargement means the tissue itself is swollen, thickened, or overgrown.
Some patients with gum enlargement may appear to have a gummy smile because the gums cover too much of the teeth. But a gummy smile can also happen because of tooth size, jaw position, lip movement, or natural gum shape.
If excess gum tissue is making your teeth look short, gum contouring or gingivectomy may help. If the cause is inflammation or gum disease, the infection and swelling need to be treated first.
Is Gum Enlargement Serious?
Gum enlargement can be mild, but it should not be ignored. Even if it does not hurt, enlarged gums can make it harder to clean your teeth properly.
When plaque gets trapped under enlarged gum tissue, it can lead to more inflammation, bad breath, gum infection, decay near the gumline, and deeper gum pockets. The risk of developing gum line cavities is higher in patients with enlarged gums, see our guide on how tooth decay develops at the gum line for more on this connection.
It may also affect your smile if the gum tissue covers too much of the teeth. The sooner the cause is found, the easier it is to treat the condition and prevent it from coming back.
How to Prevent Gum Enlargement From Coming Back
Brush Along the Gumline
Brush twice daily using a soft toothbrush. Aim the bristles gently toward the gumline so plaque does not collect around the edges of the gums.
Clean Between Teeth Daily
Floss, interdental brushes, or a water flosser can help clean areas that a toothbrush cannot reach. This is especially important if enlarged gums create tight spaces where food gets trapped.
Keep Regular Dental Cleanings
Some patients need cleanings every 3 to 6 months, especially if they have gum disease, take medications linked with gum enlargement, or have a history of recurring gum swelling. Regular professional cleanings are one of the most effective tools for keeping gum inflammation under control long-term.
Do Not Ignore Bleeding Gums
Bleeding gums are not normal. If your gums bleed often, schedule a dental exam before the problem becomes more advanced.
Manage Medical and Medication Risk Factors
If a medication or medical condition is linked with gum enlargement, ongoing monitoring is important. Your dentist and physician may work together to reduce the risk of recurrence.
When Should You See a Dentist for Gum Enlargement?
You should see a dentist if your gums stay swollen for more than a week, bleed often, look thicker than usual, or cover more of your teeth.
Book an appointment if you notice gums growing over the teeth, bleeding when brushing or flossing, bad breath that does not improve, food getting trapped under gum tissue, teeth looking shorter, pain, tenderness, swelling, loose teeth, an uneven gumline, or gum tissue that changes quickly.
Early care can prevent more serious gum disease, tooth decay, and cosmetic concerns.
Conclusion
Gum enlargement is more than a cosmetic concern. It can make cleaning harder, trap plaque, cause bleeding, affect your smile, and increase the risk of gum disease if left untreated.
The cause may be as simple as plaque buildup, but it can also be linked to medications, hormones, genetics, or medical conditions. The right treatment depends on the cause. Some patients improve with professional cleaning and better home care, while others need deep cleaning, medication review, or gum reshaping treatment.
Whether your gums are growing over one tooth, pushing between teeth, or covering the gumline across several teeth, each situation has specific causes and solutions that require proper diagnosis.
If your gums look swollen, thick, uneven, or seem to be growing over your teeth, Magnolia Dentistry can help you understand what is happening and what treatment is right for you. Schedule a visit with our dentist in Burbank, CA for a careful gum evaluation and personalized treatment plan.
Frequently Asked Questions
What is gum enlargement?
Gum enlargement is when the gum tissue becomes swollen, thick, or overgrown around the teeth. It may make the teeth look shorter and can make brushing and flossing harder. It can affect one tooth, several teeth, or the entire gumline depending on the cause.
Why is my gum growing over one tooth?
Gum tissue growing over a single tooth is usually caused by localized plaque buildup causing inflammation in one specific area, a partially erupted tooth (especially wisdom teeth or second molars) with a gum flap trapping bacteria, trauma or irritation from a rough restoration edge, or a localized gum infection. A dental exam is needed to identify the exact cause and appropriate treatment.
Why is my gum growing over my back tooth?
Back molars, especially wisdom teeth, are the most common location for gum growing over a tooth. Wisdom teeth that have not fully erupted create a gum flap (called pericoronitis when infected) that traps food and bacteria. Back teeth are also harder to clean, so plaque accumulates faster near the gumline. If pain, swelling, or bad taste accompanies the gum growth, see your dentist promptly.
Why is gum growing between my teeth?
Gum tissue that appears to grow up between teeth is usually the interdental papilla (the triangle of gum between teeth) becoming inflamed from plaque that consistently accumulates in that space. It can also be caused by gum disease, medication effects, or crowded teeth that make that area hard to clean. Daily flossing or interdental cleaning is the most important home care step.
How do I stop gums from growing over my teeth?
The most effective steps are: (1) improve brushing technique along the gumline at 45 degrees with gentle circular motions, (2) add daily flossing or interdental cleaning, (3) get a professional cleaning to remove tartar below the gumline, (4) discuss with your dentist whether medication may be a contributing factor, and (5) if thick fibrous tissue remains after cleaning, consider gingivectomy to remove excess tissue.
What causes gum enlargement?
Common causes include plaque buildup and gingivitis, gum disease (periodontitis), certain medications (anti-seizure drugs, calcium channel blockers, immunosuppressants), hormonal changes during pregnancy or puberty, genetics, and some systemic health conditions. A dentist needs to identify the cause before recommending treatment.
Can gum enlargement go away?
Mild gum swelling from plaque or gingivitis may improve with professional cleaning and better home care. Severe, fibrous, or medication-related gum enlargement typically requires additional professional treatment such as scaling and root planing or gingivectomy. Gum tissue that has become thick and fibrous does not reverse with home care alone.
What are fibrotic gums?
Fibrotic gums are firm, dense gum tissue caused by changes in the gum’s connective tissue structure rather than active inflammation. Unlike soft, swollen inflamed gums, fibrotic tissue is firm and pale pink. It typically develops from long-standing inflammation, medication effects, or genetics. Fibrotic gum tissue does not respond to cleaning alone and usually requires gingivectomy to remove and reshape.
Is gum enlargement serious?
It can be serious if it makes cleaning difficult, traps plaque, causes bleeding, or is linked to gum disease. Enlarged gums that cover tooth surfaces create sheltered areas where bacteria accumulate, increasing the risk of deeper infection, bone loss, gum line cavities, and tooth loss.
What medications cause gum enlargement?
Some anti-seizure medications (such as phenytoin), calcium channel blockers used for blood pressure, and immunosuppressant medications (such as cyclosporine) may contribute to gum enlargement. Never stop medication without speaking with your physician. Your dentist and physician can work together to manage this side effect.
Is gingival hyperplasia dangerous?
Gingival hyperplasia is not immediately life-threatening, but it is not harmless either. Overgrown gum tissue traps plaque, promotes bacterial growth, and can lead to gum infections, bone loss, and eventually tooth loss if untreated. When it appears suddenly, grows rapidly, or has an unusual appearance, it should be evaluated promptly to rule out rare serious causes.
How do dentists treat gum enlargement?
Treatment may include professional cleaning, scaling and root planing, improved oral hygiene instruction, antimicrobial rinses, medication review in coordination with your physician, gingivectomy (surgical removal of excess tissue), or laser gum treatment in selected cases, depending entirely on the identified cause.
Is gingival hyperplasia painful?
Gingival hyperplasia is not always painful. Some patients notice only thick or puffy gums. Pain, bleeding, bad breath, or tenderness may happen when inflammation or infection is present alongside the overgrowth.
Can swollen gums cover teeth?
Yes, enlarged gums can cover more of the tooth surface and make teeth look shorter. This can happen from inflammation causing gum swelling, medication-related tissue overgrowth, or fibrous excess gum tissue. Treatment to reduce or reshape the gum tissue can restore normal tooth appearance.
