The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Standardized technique of cleaning and shaping was given by:   (A) Schilder   (B) Ingle   (C) Weine   (D) Grossman
['(B) Ingle <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Schilder \n (B) Ingle \n (C) Weine \n (D) Grossman <> possible answers', '  Standardized technique of cleaning and shaping was given by: <> context@']