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Which of the following radiographic findings are attributable to trauma from occlusion?
1. Widening of the periodontal ligament space.
2. Vertical destruction of the interdental septum.
3. Widening of the lamina dura.
4. Narrowing in width of the periodontal ligament space.
(1) (2) (3)
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Histopathologic alterations associated with the pathogenesis of periodontal disease include
1. inflammatory exudate that can involve neutrophils, lymphocytes and plasma cells.
2. proliferative and degenerative changes of the junctional epithelium.
3. collagen destruction subjacent to the junctional epithelium.
4. deepening of the gingival sulcus.
All of the above
Planets 32
Periodontitis
1. develops from gingivitis.
2. is associated with continuous destruction of the alveolar bone.
3. goes through stages of tissue destruction and quiescence.
4. results in occlusal traumatism
(1) (2) (3)
Planets 29
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