The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Periodontal surgery is best performed   (A) 4 weeks after completion of the hygienic phase   (B) 8 weeks after the completion of the restorative phase   (C) 4 weeks before completion of occlusal adjustments   (D) Immediately after the completion of the hygienic phase
['(A) 4 weeks after completion of the hygienic phase <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 4 weeks after completion of the hygienic phase \n (B) 8 weeks after the completion of the restorative phase \n (C) 4 weeks before completion of occlusal adjustments \n (D) Immediately after the completion of the hygienic phase <> possible answers', '  Periodontal surgery is best performed <> context@']