24. What are the main etiologic factors of tooth mobility? I. Progression of periodontal inflammation II. Trauma from occlusion III. Attachment loss a) Only I b) II and III c) I and III d) Only III e) All of them

) All of them<br /><br />The main etiologic factors of tooth mobility include the progression of periodontal inflammation, trauma from occlusion, and attachment loss. All of these factors can contribute to tooth mobility.