Have you noticed your gums feeling sore, or looking red, swollen, or bleeding slightly when you brush? It might feel easy to ignore these early annoyances, but the consequences can be far more serious. Gum inflammation, or gingival inflammation, is the body’s response to harmful bacteria accumulating around the teeth and gums. If left untreated, it can progress to periodontitis, gum recession, and eventual tooth loss. Acting early is critical to preserving your oral health — and preventing long-term damage.
What may seem like a minor irritation is often your mouth’s first warning. Sore, bleeding gums are not just a nuisance — they are a call for attention. Recognising and responding early can make all the difference in protecting your teeth, your gums, and your overall health. Listening to these early signs is the key to preventing serious problems later.
What inflames gums?
Gums become inflamed when the body’s immune system reacts to irritants—most commonly, dental plaque. Plaque is a soft, sticky film made up of bacteria, food particles, and saliva that naturally forms on your teeth throughout the day. If it’s not removed through regular brushing and flossing, plaque builds up and eventually hardens into tartar (also called calculus), which clings tightly to the teeth and irritates the surrounding gum tissue.
This irritation triggers inflammation, causing your gums to become red, swollen, tender, and more likely to bleed, especially when brushing or flossing. Left untreated, this early stage can progress to more severe forms of gum disease.

Diverse causes of gum inflammation
Understanding what causes gum inflammation can help you prevent it before it progresses.
- Plaque buildup: The #1 cause of gum inflammation. Bacteria in plaque release toxins that irritate gum tissue.
- Poor oral hygiene habits: Infrequent brushing or flossing allows bacteria to thrive.
- Food stuck on the teeth: Trapped food particles can irritate the gums and contribute to bacterial growth.
- Smoking cigarettes: Reduces blood flow to the gums, delaying healing and increasing inflammation.
- Hormonal changes: Puberty, pregnancy, and menopause can make gums more sensitive to plaque.
- Stress: Weakens your immune system, making it harder to fight off oral infections.
- Chronic diseases: Conditions like diabetes, cancer, and HIV weaken the immune system.
- Nutritional deficiencies: Especially low vitamin C, which helps maintain healthy gum tissue.
- Medications: Some drugs cause dry mouth or gum overgrowth, both of which can contribute to inflammation.
- Sensitivity to mouthwash or toothpaste: Certain ingredients can trigger allergic reactions or irritation.
- New dental appliances: Braces, dentures, or retainers that don’t fit properly can irritate gum tissue.
- Oral injuries: Cuts, burns, or trauma can lead to local gum inflammation.
- Abscess: A localised infection in the gum or tooth can cause intense swelling and tenderness.
Watch out for these signs
Gum inflammation often starts silently, but you may notice:
- Red or swollen gums
- Bleeding when brushing or flossing
- Tender or sore gums
- Bad breath (halitosis)
- Gum recession
- Loose or shifting teeth (in advanced cases)

Stages of gum inflammation and gum disease
Gum inflammation exists on a spectrum, from mild and reversible to severe and irreversible.
- Mild inflammation limited to the gum tissue.
- Caused by plaque accumulation.
- Gums may bleed when brushing or flossing.
- Reversible with professional cleaning and good oral hygiene.
- Untreated gingivitis progresses to periodontitis.
- Gum tissue starts pulling away from the teeth, forming pockets.
- Early bone loss may begin.
- Requires scaling and root planing.
- Deeper gum pockets and significant bone loss.
- Teeth may become loose or shift.
- May require surgical treatment like gum grafting or flap surgery.
- Permanent damage is likely if not treated.
Protecting your gums from inflammation
- Brush your teeth twice a day for at least 2 minutes using a soft-bristled toothbrush and fluoride toothpaste.
- Floss daily to remove plaque and food particles between teeth where brushes can’t reach.
- Schedule professional dental checkups and cleanings every 6 months.
- Your dentist can remove tartar buildup and spot early signs of inflammation before they worsen.
Rinsing with an antibacterial mouthwash can help reduce harmful bacteria and keep your gums healthy. Consult your dentist for product recommendations.
Smoking and chewing tobacco weaken your immune system and make it harder for your gums to heal.
- Eat foods rich in vitamin C, calcium, and omega-3s to support healthy gum tissue.
- Include leafy greens, fruits, vegetables, and lean proteins in your meals.
High stress levels can impair your immune system and make it harder to fight off infections, including gum disease.
What to do if you already have gum inflammation
If gum inflammation has already started, don’t worry—it can often be reversed or controlled with the right care.

A thorough cleaning by your dentist or hygienist removes plaque and tartar from above and below the gumline.
A deep cleaning procedure used for more advanced cases. It smooths the tooth roots and removes bacteria from gum pockets to help gums reattach to teeth.
Antiseptic rinses or medicated gels may be prescribed to reduce bacteria and inflammation.
In severe cases, treatments like flap surgery, bone grafting, or gum grafting may be needed to restore damaged gum and bone tissue.
When should you see your dentist?
Never skip your regular dental checkups — they are essential for detecting early signs of gum disease before symptoms progress. Beyond routine visits, if you experience any of the following signs, schedule a dental appointment promptly:
- Red, swollen, or overly sensitive gums
- Persistent gum bleeding, especially when brushing or flossing
- Gums pulling away from your teeth (gum recession)
- Swelling, tenderness, or pus between your gums and teeth
- Loose or shifting teeth
- Chronic bad breath or a bad taste in your mouth
- Pain when chewing or increased tooth sensitivity
- Changes in your bite or how your teeth fit together
These symptoms could be early or advanced signs of gum disease, such as gingivitis or periodontitis. Prompt treatment can help prevent further damage, protect your teeth, and restore your gum health.
Guard your gums to save your smile
Gum inflammation is one of the earliest warnings your mouth can give — and it should not be overlooked. Left unchecked, it can lead to serious consequences for your teeth, your smile, and your overall health.
The good news is that early action makes all the difference. Through consistent oral hygiene, regular dental care, and a healthy lifestyle, you can prevent gum disease and protect your long-term oral health.
Your gums are the foundation of a healthy smile. Care for them — and they will support your teeth, your health, and your confidence for years to come.