Which pattern is angular and more severe on the affected tooth?

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Multiple Choice

Which pattern is angular and more severe on the affected tooth?

Explanation:
Vertical bone loss creates infrabony, or angular, defects that are localized to one tooth or a small group, making the loss appear more severe on the affected tooth. In this pattern, bone resorption occurs beneath the crest, forming a trench-like defect with an acute angle between the remaining bone walls. Horizontal bone loss, by contrast, encircles the tooth evenly and maintains a more uniform crest. Furcation involvement involves the area where a multirooted tooth splits, and while it can accompany vertical defects, the defining feature described here is the angular, localized nature of vertical bone loss.

Vertical bone loss creates infrabony, or angular, defects that are localized to one tooth or a small group, making the loss appear more severe on the affected tooth. In this pattern, bone resorption occurs beneath the crest, forming a trench-like defect with an acute angle between the remaining bone walls. Horizontal bone loss, by contrast, encircles the tooth evenly and maintains a more uniform crest. Furcation involvement involves the area where a multirooted tooth splits, and while it can accompany vertical defects, the defining feature described here is the angular, localized nature of vertical bone loss.

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