The following are multiple choice questions (with answers) about medical knowledge.   **Question:** An isolated area in which root is denuded of bone is intact and covered only by periosteum and overlying gingiva is called   (A) Fenestration   (B) Dehiscence   (C) Infracrestal pocket   (D) Hemiseptum defect
['(A) Fenestration <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Fenestration \n (B) Dehiscence \n (C) Infracrestal pocket \n (D) Hemiseptum defect <> possible answers', '  An isolated area in which root is denuded of bone is intact and covered only by periosteum and overlying gingiva is called <> context@']