The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The penetration of the fissure sealant into the fissure:   (A) Is not influenced by the wettability of the enamel   (B) Is independent of the chemical composition of the enamel   (C) Is the result of a chemical bond between the sealant and enamel   (D) Must occur before the polymerization of the material
['(D) Must occur before the polymerization of the material <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Is not influenced by the wettability of the enamel \n (B) Is independent of the chemical composition of the enamel \n (C) Is the result of a chemical bond between the sealant and enamel \n (D) Must occur before the polymerization of the material <> possible answers', '  The penetration of the fissure sealant into the fissure: <> context@']