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Updated on September 29, 2022

Gingivitis in Adults: Causes, Signs & Treatment

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What is Gingivitis?

Gingivitis, also referred to as mild gum disease, is characterized by the inflammation of the gum tissue.

In gingivitis, the damage is reversible and the supporting structures of the teeth, such as your bones, are not permanently lost.

Gingivitis is the earliest stage of periodontal disease (PD), which is a severe form of gum disease that develops from untreated gingivitis due to long-term plaque buildup.

Periodontal disease permanently damages the gums and bones, and surgery is the only treatment option for this form of gum disease.

Is Gingivitis Curable?

Gingivitis is completely curable in the early stages. The earlier your dentist catches gingivitis, the less likely periodontal disease will form or tooth loss will occur.

More than half of American adults are affected by gingivitis and the prevalence is even higher as people age. Children and teens are also at risk of developing gingivitis, especially during puberty.

Many people do not find out they had gingivitis until periodontal disease forms. This is because mild gum disease typically does not cause pain, show clear warning signs, or affect everyday life.

About 50 percent of adults aged 30 or older (65 million people) have signs of gum disease.

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What Are The Stages of Gingivitis?

There are three stages of gingivitis:

Stage 1

As excess plaque builds up in the mouth, foreign bacteria and proteins are released. This causes an immediate response that results in the migration of inflammatory cells to the gingiva. These cells produce cytokines, which are small proteins that signal to other cells.

Stage 2

Some of the activated cytokines cause dilated blood vessels, which means they become porous and leaky in the infected area (gingiva).

Cytokines also tell other cells to create destructive proteins to help destroy bacterial cells. When these cells kill bacteria, they also damage healthy cells, which causes the tissues to break down.

Stage 3

Blood cell leakage occurs in the gingiva, which causes redness and swelling. Gingivitis forms as a result.

What Causes Gingivitis?

Gingivitis is the earliest stage of periodontal disease, also referred to as periodontitis. Many of the risk factors associated with both diseases are similar and preventable with lifestyle changes.

The primary causes of gingivitis include:

Smoking and Tobacco Use

Tobacco doesn't actually "cause" gum disease. However, it can contribute to it by causing dry mouth, which leads to more plaque buildup.

Smokers are seven times more likely to develop gum disease than non-smokers. Those who have never smoked tobacco have the lowest risk of developing gum disease.

Poor Oral Hygiene

Inconsistent brushing and flossing habits can cause gingivitis. Everyone should brush and floss twice a day to help prevent gum disease, cavities, and other oral health conditions.

Plaque Buildup

Gingivitis forms due to the long-term buildup of plaque, which is a sticky film that coats teeth and contains decay-causing bacteria. When plaque is not completely removed, the gums become inflamed and irritated over time.


Constant stress weakens the immune system and increases inflammation. High-stress levels, in combination with poor oral hygiene, are also linked to gum disease.

Hormonal Changes

Hormonal changes are linked to gum disease.

Pregnant women are most at risk because extreme hormonal changes occur during pregnancy. Puberty, menopause, and menstruation also cause gum sensitivity and inflammation.

Roughly 60 to 75 percent of pregnant women develop gingivitis. Gum disease can also be transferred from mother to baby, which may lead to low birth weight or preterm birth.

Nutritional Deficiencies

Poor nutrition makes it difficult for the body to fight infection, which puts people at a higher risk of developing gum disease.

The buildup of dental plaque is also more likely, especially when consuming sugary or processed foods long-term.

Medications and Diseases

Cancer, diabetes, and HIV make it difficult to fight off infections, including gum disease.

Some prescription medications can also increase your risk of gum disease. These medications include blood pressure medications, heart disease medications, and immunosuppressants.

Dry Mouth

Dry mouth occurs when the salivary glands in the mouth do not produce enough saliva to keep the mouth wet.

This condition is often a side effect of aging. Medications, radiation therapy, and mouth breathing can also lead to dry mouth, and eventually gum disease.

6 Common Gingivitis Symptoms

Regular brushing, flossing, and professional teeth cleanings help prevent gingivitis, but there is still a possibility of formation even with proper dental care.

Common warning signs and symptoms of gingivitis formation include:

  1. Dark red or dusky red gums
  2. Puffy and tender gums
  3. Swollen gums
  4. Receding gums or a “gummy smile
  5. Bleeding gums when brushing or flossing
  6. Chronic bad breath throughout the day

Gingivitis Treatment & Prevention

The best way to prevent gingivitis and more severe gum diseases is by brushing and flossing regularly, using mouthwash, and visiting the general dentist for professional teeth cleanings.

Since gingivitis is reversible, good oral hygiene is the best way to prevent the disease. There are three different outcomes for someone with gingivitis:

  1. If an individual’s dental health is restored during the early stages of gingivitis, including brushing, nutrition, flossing, and professional plaque removal, the disease can be reversed.
  2. Without changes to your oral care habits, gingivitis will become persistent.
  3. If left untreated, the disease results in periodontitis, a severe gum disease that is irreversible without surgery or invasive treatment.

How Do You Get Rid of Gingivitis At Home?

If you have a mild form of gingivitis, you can treat the condition at home by brushing your teeth twice a day for at least 2 minutes at a time.

You should also floss regularly (at least once a day) and rinse with mouthwash to remove food particles. Your dentist may also recommend buying a prescription toothpaste for sensitive gums.

How Do Dentists Treat Gingivitis?

Professional teeth cleanings are the best way to treat gingivitis in a dental clinic:

Professional Teeth Cleanings

The reversal of early gingivitis is relatively simple and focuses on the removal of plaque during professional teeth cleanings.

During treatment, a dentist, dental hygienist, or periodontist examines the patient’s teeth and cleans them with small instruments. These instruments remove plaque and tartar that a normal toothbrush cannot reach.

If the gingivitis hasn’t gotten worse, no further treatment is necessary. If periodontitis has formed, your dentist will recommend more invasive treatment. Common treatment options for periodontal disease include scaling and root planing, gum flap surgery, bone grafts, or gum grafts.

Gingivitis: Common Questions and Answers

Does massaging gums help gingivitis?

A gum massage can help reverse gingivitis if it is performed properly.

Gum massages increase blood flow to your gum tissue, which increases the circulation of nutrient-rich blood to the gums, thus reversing the effects of gingivitis.

Does gingivitis hurt?

Gingivitis does not typically hurt, which is why it often goes unnoticed and untreated.

However, not treating gingivitis early enough can lead to more serious issues, such as periodontitis (advanced gum disease).

What is the main cause of gingivitis?

The number one cause of gingivitis is poor oral hygiene from neglected daily brushing and flossing, as well as professional teeth cleanings.

Plaque buildup on the teeth eventually leads to gum inflammation, resulting in gingivitis.

How do you know if you have gingivitis?

If your gums are abnormally puffy, dark, swollen, or bleed easily when brushing or flossing, gingivitis may be present.

It is essential to visit your dentist for teeth cleanings every six months so they can catch signs of the disease early.

Can gingivitis make you sick?

Gingivitis can be reversed in the early stages. However, if it is left untreated, the risk of developing respiratory infections increases. Chronic obstructive pulmonary disease (COPD) and pneumonia are common.

Can gingivitis go away on its own?

Gingivitis can go away on its own if you practice optimal oral care at home. It is also important to get professional cleanings and dental check-ups. If you stop taking care of your teeth again, gingivitis can return.

Can gingivitis be caused by stress?

Stress weakens the immune system and increases inflammation. Chronic stress and poor oral hygiene can irritate the gums, leading to gingivitis.

How do I know if I have periodontitis or gingivitis?

Gingivitis is a reversible and mild form of gum disease.

Periodontitis is the advanced form of gum disease that results from untreated gingivitis. The symptoms of gingivitis often go unnoticed because they do not cause pain or discomfort.

Periodontitis produces more obvious symptoms, including receding gums, loose teeth, and pus between the gums and teeth. Periodontitis gum inflammation is also more severe than gingivitis.

Can you get gingivitis with dentures?

If you do not clean your dentures regularly, gingivitis can develop under the gum line due to plaque buildup. The plaque can make your gums tender, inflamed, and more prone to bleeding.

3 Sources Cited
Last updated on September 29, 2022
All NewMouth content is medically reviewed and fact-checked by a licensed dentist or orthodontist to ensure the information is factual, current, and relevant.

We have strict sourcing guidelines and only cite from current scientific research, such as scholarly articles, dentistry textbooks, government agencies, and medical journals. This also includes information provided by the American Dental Association (ADA), the American Association of Orthodontics (AAO), and the American Academy of Pediatrics (AAP).
  1. “Gingivitis.” Mayo Clinic, Mayo Foundation for Medical Education and Research, 4 Aug. 2017,
  2. National Institutes of Health (NIH). Periodontal (Gum) Disease: Causes, Symptoms, and Treatments. NIH Publication, 2013.
  3. Kachlany, Scott C. Infectious Diseases of the Mouth. Chelsea House, 2007.
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