WorksheetsPeriodontal Bone Loss & Patterns of Bone Destruction
Total questions: 10
Worksheet time: 5mins
Which of the following is the earliest radiographic sign of periodontal bone loss?
A. Horizontal bone loss
B. Vertical bone loss
C. Fuzziness of the lamina dura
D. Widening of the PDL space
2.In horizontal bone loss, the bone is reduced:
A. Obliquely to the tooth axis
B. Evenly along the tooth root
C. In an angular pattern
D. Only interproximally
Vertical bone defects are also known as
•A. Crater defects
•B. Intrabony defects
•C. Fenestrations
•D. Circumferential defects
•A three-wall defect refers to a periodontal defect that has:
•A. One wall remaining
•B. Two walls missing
•C. Three walls remaining
•D. No walls remaining
•Which pattern of bone loss is most commonly associated with aggressive periodontitis?
•A. Horizontal bone loss
•B. Crater-like bone loss
•C. Vertical/angular bone loss
•D. Periapical bone loss
•What is the primary cause of bone destruction in periodontitis?
•A. Bacterial enzymes
•B. Host immune response
•C. Occlusal trauma
•D. Poor nutrition
•Which of the following radiographic findings is indicative of moderate to severe periodontal disease?
•A. Intact crestal bone
•B. Loss of more than 30% of alveolar bone
•C. Slight blunting of the alveolar crest
•D. Normal lamina dura
•Interdental osseous craters are more common in which region?
•A. Anterior maxilla
•B. Mandibular premolar region
•C. Posterior regions of the jaws
•D. Maxillary canine region
•Which of the following factors does NOT directly influence the pattern of bone loss?
•A. Thickness of the bone
•B. Tooth mobility
•C. Position of the gingival margin
•D. Path of inflammation
•Bone loss in periodontitis typically follows:
•A. The path of least resistance
•B. The cementoenamel junction
•C. The direction of occlusal forces
•D. The shape of the root surface
