INBDE (Integrated National Board Dental Examination) Practice Exam

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Horizontal furcation involvement >3mm is classified as?

  1. hamp class 1

  2. hamp class 2

  3. glickman class 1

  4. glickman class 2

The correct answer is: hamp class 2

Horizontal furcation involvement greater than 3mm requires treatment and is classified as hamp class 2. This involves bone loss in addition to soft tissue loss and is more severe than hamp class 1 which only affects the soft tissue attachment. While glickman class 1 and 2 also involve bone loss, they pertain more to vertical furcation involvement rather than horizontal.