The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in   (A) Hypocalcified dentin   (B) Odonto dysplasia   (C) Dentin dysplasia   (D) Dentinogenesis imperfecta
['(B) Odonto dysplasia <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hypocalcified dentin \n (B) Odonto dysplasia \n (C) Dentin dysplasia \n (D) Dentinogenesis imperfecta <> possible answers', '  Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in <> context@']