Overview

Gingivitis is a common and mild form of gum disease (periodontal disease) that causes irritation, redness and swelling (inflammation) of your gingiva, the part of your gum around the base of your teeth. It's important to take gingivitis seriously and treat it promptly. Gingivitis can lead to much more serious gum disease called periodontitis and tooth loss.

The most common cause of gingivitis is poor oral hygiene. Good oral health habits, such as brushing at least twice a day, flossing daily and getting regular dental checkups, can help prevent and reverse gingivitis.

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Symptoms

Healthy gums are firm and pale pink and fitted tightly around the teeth. Signs and symptoms of gingivitis include:

• Swollen or puffy gums
• Dusky red or dark red gums
• Gums that bleed easily when you brush or floss
• Bad breath
• Receding gums
• Tender gums

When to see a dentist

If you notice any signs and symptoms of gingivitis, schedule an appointment with your dentist. The sooner you seek care, the better your chances of reversing damage from gingivitis and preventing its progression to periodontitis.

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Causes

The most common cause of gingivitis is poor oral hygiene that encourages plaque to form on teeth, causing inflammation of the surrounding gum tissues. Here's how plaque can lead to gingivitis:

• Plaque forms on your teeth. Plaque is an invisible, sticky film composed mainly of bacteria that forms on your teeth when starches and sugars in food interact with bacteria normally found in your mouth. Plaque requires daily removal because it re-forms quickly.
• Plaque turns into tartar. Plaque that stays on your teeth can harden under your gumline into tartar (calculus), which collects bacteria. Tartar makes plaque more difficult to remove, creates a protective shield for bacteria and causes irritation along the gumline. You need professional dental cleaning to remove tartar.
• Gingiva become inflamed (gingivitis). The longer that plaque and tartar remain on your teeth, the more they irritate the gingiva, the part of your gum around the base of your teeth, causing inflammation. In time, your gums become swollen and bleed easily. Tooth decay (dental caries) also may result. If not treated, gingivitis can advance to periodontitis and eventual tooth loss.

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Diagnosis

Dentists usually diagnose gingivitis based on:

• Review of your dental and medical history and conditions that may contribute to your symptoms.
• Examination of your teeth, gums, mouth and tongue for signs of plaque and inflammation.
• Measuring the pocket depth of the groove between your gums and your teeth by inserting a dental probe beside your tooth beneath your gum line, usually at several sites throughout your mouth. In a healthy mouth, the pocket depth is usually between 1 and 3 millimeters (mm). Pockets deeper than 4 mm may indicate gum disease.
• Dental X-rays to check for bone loss in areas where your dentist sees deeper pockets.
• Other tests as needed. If it's not clear what has caused your gingivitis, your dentist may recommend that you get a medical evaluation to check for underlying health conditions. If your gum disease is advanced, your dentist may refer you to a specialist in gum diseases (periodontist).

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Complications

Untreated gingivitis can progress to gum disease that spreads to underlying tissue and bone (periodontitis), a much more serious condition that can lead to tooth loss.

Chronic gingiva inflammation has been thought to be associated with some systemic diseases such as respiratory disease, diabetes, coronary artery disease, stroke and rheumatoid arthritis. Some research suggests that the bacteria responsible for periodontitis can enter your bloodstream through gum tissue, possibly affecting your heart, lungs and other parts of your body. But more studies are needed to confirm a link.

Trench mouth, also known as necrotizing ulcerative gingivitis (NUG), is a severe form of gingivitis that causes painful, infected, bleeding gums and ulcerations. Trench mouth is rare today in developed nations, though it's common in developing countries that have poor nutrition and poor living conditions.

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Prevention

• Good oral hygiene. That means brushing your teeth for two minutes at least twice daily — in the morning and before going to bed — and flossing at least once a day. Better yet, brush after every meal or snack or as your dentist recommends. Flossing before you brush allows you to clean away the loosened food particles and bacteria.
• Regular dental visits. See your dentist or dental hygienist regularly for cleanings, usually every six to 12 months. If you have risk factors that increase your chance of developing periodontitis — such as having dry mouth, taking certain medications or smoking — you may need professional cleaning more often. Annual dental X-rays can help identify diseases that are not seen by a visual dental examination and monitor for changes in your dental health.
• Good health practices. Practices such as healthy eating and managing blood sugar if you have diabetes also are important to maintain gum health.

Lifestyle and home remedies

Steps you can take at home to prevent and reverse gingivitis include:

• Brush your teeth twice a day or, better yet, after every meal or snack.
• Use a soft toothbrush and replace it at least every three to four months.
• Consider using an electric toothbrush, which may be more effective at removing plaque and tartar.
• Floss daily.
• Use a mouth rinse to help reduce plaque between your teeth.
• Supplement brushing and flossing with an interdental cleaner, such as a dental pick, interdental brush or dental stick specially designed to clean between your teeth.
• Get regular professional dental cleanings on a schedule recommended by your dentist.
• Don't smoke or chew tobacco.

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Risk factors

Gingivitis is common, and anyone can develop it. Factors that can increase your risk of gingivitis include:

• Poor oral care habits
• Smoking or chewing tobacco
• Older age
• Dry mouth
• Poor nutrition, including vitamin C deficiency
• Dental restorations that don't fit properly or crooked teeth that are difficult to clean
• Conditions that decrease immunity such as leukemia, HIV/AIDS or cancer treatment
• Certain drugs, such as phenytoin (Dilantin, Phenytek) for epileptic seizures, and some calcium channel blockers, used for angina, high blood pressure and other conditions
• Hormonal changes, such as those related to pregnancy, menstrual cycle or use of birth control pills
• Genetics
• Medical conditions such as certain viral and fungal infections

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