TYPES OF GUM DISEASE AND COMPLICATIONS

Gingivitis

Gingivitis is an inflammation of the gingiva, or gums. It is characterized by tender, red, swollen gums that bleed easily and may cause bad breath (halitosis). Gingivitis can be treated by good dental hygiene, proper diet, and stopping smoking. Untreated gingivitis can lead to periodontitis.

Periodontitis

Periodontitis occurs when the gum tissues separate from the tooth and sulcus, forming periodontal pockets. Periodontitis is characterized by:

  • Gum inflammation, with redness and bleeding
  • Deep pockets (greater than 3 mm in depth) that form between the gum and the tooth
  • Loose teeth, caused by loss of connective tissue structures and bone

There are different forms of periodontal disease. They include:

Chronic Periodontitis. Chronic periodontitis is the most common type of periodontitis. It can begin in adolescence but the disease usually does not become clinically significant until people reach their mid-30s.

Aggressive Periodontitis. Aggressive periodontitis is a subtype of chronic periodontitis that can occur as early as childhood. It can lead to severe bone loss by the time patients reach their early 20s.

Disease-Related Periodontitis. Periodontitis can also be associated with a number of systemic diseases, including type 1 diabetes, Down syndrome, AIDS, and several rare disorders of white blood cells.

Necrotizing Periodontal Disease. Necrotizing periodontal disease is an uncommon acute infection of the gum tissue. It is characterized by painful and bleeding gums, bad breath, and rapid onset of pain. If left untreated, necrotizing periodontal disease can spread throughout the facial areas (cheeks, jaw) and cause extensive damage. Necrotizing periodontal disease is usually associated with systemic health conditions such as AIDS or malnutrition.

 

Causes

 

Periodontal disease is caused by plaque, which is formed from harmful bacteria. The mouth is full of bacteria but they tend to be harmless varieties. Periodontal disease usually develops because of an increase in bacteria quantity in the oral cavity and a change in balance of bacterial types from harmless to disease-causing bacteria. These harmful bacteria increase in mass and thickness until they form a sticky film called plaque.

In healthy mouths, plaque actually provides some barrier against outside bacterial invasion. When it accumulates to excessive levels, however, bacterial plaque sticks to the surfaces of the teeth and adjacent gums and causes infection with subsequent swelling, redness, and warmth.

When plaque is allowed to remain in the periodontal area, it transforms into calculus (commonly known as tartar). This material has a rock-like consistency and grabs onto the tooth surface. Tartar is much more difficult to remove than plaque, which is a soft mass. Once tartar has formed, it must be professionally removed by a dental practitioner.

 

Risk Factors

 

Most American adults have some form of gum disease but are unaware of it. The main risk factors for periodontal disease include:

  • Age
  • Smoking or tobacco use
  • Female hormonal changes
  • Illnesses   such as diabetes or HIV/AIDS, and the medications used to treat some conditions
  • Genetic factors

Age

Periodontitis typically occurs as people get older and is most common after age 35.

Lifestyle Factors

Smoking. Smoking is the major preventable risk factor for periodontal disease. Smoking can cause bone loss and gum recession even in the absence of periodontal disease. The risk of periodontal disease increases with the number of cigarettes smoked per day. Smoking cigars and pipes carries the same risks as smoking cigarettes.

Substance Abuse. Long-term abuse of alcohol and certain types of illegal drugs (amphetamines) can damage gums and teeth.

Diet. A healthy diet, including eating fruits and vegetables rich in vitamin C, is important for good oral health. Malnutrition is a risk factor for periodontal disease.

Stress. Psychological stress can cause the body to release inflammatory hormones that may trigger or worsen periodontal disease.

Female Hormones

Female hormones affect the gums, and women are particularly susceptible to periodontal problems. Hormone-influenced gingivitis appears in some adolescents, in some pregnant women, and is occasionally a side effect of birth control medication.

Menstruation. Gingivitis may flare up in some women a few days before they menstruate, when progesterone levels are high. Gum inflammation may also occur during ovulation. Progesterone dilates blood vessels causing inflammation, and blocks the repair of collagen, the structural protein that supports the gums.

Pregnancy. Hormonal changes during pregnancy can aggravate existing gingivitis, which typically worsens around the second month and reaches a peak in the eighth month. Any pregnancy-related gingivitis usually resolves within a few months of delivery. Because periodontal disease may increase the risk for low-weight infants and cause other complications, it is important for pregnant women to see a dentist.

Menopause.Estrogen deficiency after menopause reduces bone mineral density, which can lead to bone loss. Bone loss is associated with both periodontal disease and osteoporosis (loss of bone density). The hormonal changes associated with menopause can cause dry mouth, which can lead to tooth and gum problems.

Genetic Factors

Periodontal disease often occurs in members of the same family. Genetic factors play a role in making some people more susceptible to periodontal disease.

Medical Conditions Associated with Periodontal Disease

Diabetes. There is a strong association between diabetes (both type 1 and 2) and periodontal disease. Diabetes causes changes in blood vessels, and high levels of specific inflammatory chemicals such as interleukins, that significantly increase the chances of developing periodontal disease.

Heart Disease. Periodontal disease and heart disease share common risk factors (smoking, older age, diabetes) but it is not yet clear if having one condition increases the risk for developing the other (see Complications section of this report).

Other Medical Conditions. A number of medical conditions can increase the risk of developing gingivitis and periodontal disease. They include conditions that affect the immune system such as HIV/AIDS, leukemia, and possibly autoimmune disorders (Crohn’s disease, multiple sclerosis, rheumatoid arthritis, lupus erythematosus).

Prescription Medications. Gingival overgrowth can be a side effect of many   drugs including certain types of oral contraceptives, antidepressants, and heart medications. Any drug that has a side effect of dry mouth can increase the risk for gum disease.

If you take a bisphosphonate drug such as alendronate (Fosamax, generic) discuss with your dentist any potential risks from dental procedures (such as extractions and implants) that involve the jawbone. Oral bisphosphanates, which are used to treat osteoporosis, have in rare cases caused osteonecrosis (bone destruction) of the jaw. (Intravenous bisphosphantes, which are used in cancer treatment, are more likely to cause osteonecrosis.) Your dentist or oral surgeon may need to take special precautions when performing dental surgery. In any case, be sure to inform your dentist of all medications you are taking.

Oral Health Risk Factors

Oral Hygiene. Lack of oral hygiene, such as not brushing or flossing regularly, encourages bacterial buildup and plaque formation.

Poorly Contoured Restorations. Poorly contoured restorations (fillings or crowns) that provide traps for debris and plaque can also contribute to periodontitis.

Tooth Structure . Abnormal tooth structure can increase the risk of periodontal disease.

Wisdom Teeth. Wisdom teeth, also called third molars, can be a major breeding ground for the bacteria that cause periodontal disease. Periodontitis can occur in wisdom teeth that have broken through the gum as well as teeth that are impacted (buried). Adolescents and young adults with wisdom teeth should have a dentist check for signs of periodontal disease.

 

Complications

 

Effect on Heart Disease

Cardiologists and periodontists currently encourage each other to monitor both conditions in their patients. Periodontists recommend that patients who have periodontal disease and at least one risk factor for heart disease have an annual medical exam to check their heart health. Cardiologists suggest that patients with atherosclerosis and heart disease have regular periodontal exams.

Effect on Diabetes

Diabetes is not only a risk factor for periodontal disease. Periodontal disease itself can worsen diabetes and make it more difficult to control blood sugar.

Effect on Respiratory Disease

Bacteria that reproduce in the mouth can also be carried into the airways in the throat and lungs, increasing the risks for respiratory diseases such as pneumonia and worsening chronic lung conditions, such as emphysema.

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