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Indicates the presence of a substance that is resistant to the passage of X-rays, often suggestive of metal restorations or calcified structures.

Suggests an area that allows X-ray penetration, typically indicative of decay, cysts, or periodontal disease.

A dense radiopaque line surrounding the tooth root, indicating healthy periodontal bone support.

A thin radiolucent line surrounding the tooth root that represents the space occupied by the periodontal ligament.

Manifest as radiolucent areas on the tooth, indicating decay caused by bacterial processes.

A radiolucent area at the apex of a tooth root, often indicative of a dental abscess or cyst.

Central radiolucent areas within the tooth where the nerve and blood vessels are located.

A tooth that is visibly prevented from erupting into the proper position, which may cause displacement or resorption of adjacent teeth.

The proportion of the visible crown to the length of the root(s), which helps assess periodontal stability.

A disruption of the tooth structure that may appear as a radiolucent line across the tooth root.

The loss of tooth root structure, appearing as an irregular or blunted root end, which may result from trauma, reimplantation, or orthodontic movement.

A reduction in the height of the alveolar bone between two teeth, typically indicating periodontal disease.

The boundary where the enamel, which covers the tooth crown, and the cementum, which covers the root, meet.

A radiopaque lesion that may contain tooth-like structures within it, representing a benign odontogenic tumor made up of enamel and dentin.

Radiolucent areas in the bone around the branching point of a multi-rooted tooth, indicating advanced periodontal disease.

Excessive amalgam restoration material extends beyond the crown of the tooth, creating an area that can trap plaque and debris.

A localized area of increased bone density, often at the apex of an infected tooth, indicative of chronic inflammation.

A small, round radiopacity located on root surfaces that consists of ectopic enamel.

A radiolucent lesion that surrounds the crown of an unerupted or developing tooth, potentially leading to delayed eruption or displacement.

Calcified dental plaque that appears as irregular radiopacities, which may be found on the surfaces of teeth or within the periodontal pocket.

A dark area at the end of a tooth root indicating a pathologic change, such as a cyst, granuloma, or abscess at or around the tooth apex.

A lesion that has both dark and white areas within it, suggesting a tissue density that varies in consistency or composition.

The area where a multi-rooted tooth splits into separate roots, which can be the site of furcation involvement in gum disease.

An air-filled cavity above the upper teeth that can appear radiopaque if infected (sinusitis) or may show the proximity to upper teeth roots.

A radiolucent band outlined by two thin radiopaque lines that runs through the mandible, allowing passage of the inferior alveolar nerve and blood vessels.