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Periodontal disease

Description

An in-depth report on the causes, diagnosis, treatment, and prevention of periodontal disease.

Alternative Names

Gingivitis

Diagnosis

The dental practitioner typically performs a number of procedures to determine a diagnosis of periodontal disease.

Medical History

The dentist will first take a medical history to reveal any past or present periodontal problems, any underlying diseases that might be contributing to the problem, and any medications the patient is taking. After noting the general state of oral hygiene, the dentist may ask about the quality of home dental care.

Physical Examination

Inspection of the Gum Area. The dentist inspects the color and shape of gingival tissue on the cheek (buccal) side and the tongue (lingual) side of every tooth and compares these qualities to the healthy ideal. Redness, puffiness, and bleeding upon probing indicate inflammation. If the gum formation between teeth is blunt and not pointed, acute necrotizing periodontal disease may be indicated.

Periodontal Screening and Recording (PSR). PSR is a painless procedure used to measure and determine the severity of periodontal disease:

• The dentist uses a mirror and a periodontal probe, a fine instrument calibrated in millimeters (mm), which is used to measure pocket depth. (A new automatic probing device may prove to be even more sensitive and accurate than the standard manual probe that most dentists use.)
• The probe is held along the length of the tooth with the tip placed in the pocket. The tip of the probe will then touch the point where the connective tissue attaches to the tooth.
• The dentist will "walk" the probe to six specified points on each tooth, three on the buccal (cheek) and three on the lingual (tongue) sides. The dentist measures the depth of the probe at each point.
• Pocket depths greater than 3 mm indicate disease.

These measurements help determine the condition of the connective tissue and amount of gingival overgrowth or recession. PSR appears to be even more reliable than x-rays in diagnosing gum disease.

Testing Tooth Movement. Tooth mobility is determined by pushing each tooth between two instrument handles and observing any movement. Mobility is a strong indicator of bone support loss.

X-rays. X-rays are taken to show any loss of bone structure supporting the teeth. Eighteen x-rays make up the full mouth series necessary for diagnosis.

• Review Date: 11/10/2006
• Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital

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