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.
(2) and (4)
(1) (2) (3)
(1) and (3)
All of the above.
(4) only
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