Ch. 34: Interpretation of Periodontal Disease

Periodontal disease

A group of diseases that affect the tissues found around teeth

Calculus

A stone-like concretion that forms on the crowns and roots of teeth as a result of the calcification of plaque

Periodontal

A term that refers to "around a tooth"

ADA Case Type III

Bone loss is 4 to 6 mm apical to CEJ

ADA Case Type IV

Bone loss is more than 6 mm apical to the cemento-enamel junction (CEJ)

Vertical bone loss

Bone loss that does not occur in a plane parallel to the CEJs of adjacent teeth

Generalized

Bone loss that occurs evenly throughout the arches

Horizontal bone loss

Bone loss that occurs in a plane parallel to the CEJs of adjacent teeth

Localized

Bone loss that occurs in isolated areas

Pattern: Horizontal Severity: Mild ADA Case Type: II

Identify the pattern of bone loss, severity of bone loss, and ADA Case Type (I to IV) represented by each dental image.

Pattern: Horizontal Severity: Moderate ADA Case Type: III

Identify the pattern of bone loss, severity of bone loss, and ADA Case Type (I to IV) represented by each dental image.

Pattern: Horizontal Severity: Severe ADA Case Type: IV

Identify the pattern of bone loss, severity of bone loss, and ADA Case Type (I to IV) represented by each dental image.

Pattern: none Severity: none ADA Case Type: I

Identify the pattern of bone loss, severity of bone loss, and ADA Case Type (I to IV) represented by each dental image.

ADA Case Type I

No bone change seen

Furcation area

The area between the roots of multi-rooted teeth

Periapical image

The image of choice for the evaluation of periodontal disease

Paralleling technique

The preferred method of intraoral exposure for receptors documenting periodontal disease

Periodontium

Tissue that invest and support teeth

ADA Case Type II

mild crestal changes