Periodontal Disease - Risk Factors

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Female Hormones

About three-quarters of periodontal office visits are made by women, even though women tend to take better care of their teeth than men. 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.

Before 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.

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Pregnancy. Hormonal changes during pregnancy can aggravate existing gingivitis, which typically worsens around the second month and reaches a peak in the eighth month. Pregnancy does not cause gum disease, and simple preventive oral hygiene can help maintain healthy gums. Any pregnancy-related gingivitis usually resolves within a few months of delivery. Because periodontal disease can increase the risk for low-weight infants and cause other complications, it is important for pregnant women to see a dentist.

Oral Contraceptives. Some studies report that oral contraceptives containing the synthetic progesterone desogestrel (but not dienogest, another common progesterone) increase the risk for periodontal disease.

Menopause. Estrogen deficiency after menopause reduces bone mineral density, which can lead to bone loss. Bone loss is associated both with periodontal disease and osteoporosis. A 2005 study found that bone loss in the alveolar bone (which holds the tooth in place) was a major predictor of tooth loss in postmenopausal women. Periodontal disease is the main cause of alveolar bone loss. During menopause, some women may also develop a rare condition called menopausal gingivostomatitis, in which the gums are dry, shiny, and bleed easily. Women may also experience abnormal tastes and sensations (such as salty, spicy, acidic, burning) in the mouth.