The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A child spends 8 years of life in a temperate climate where the drinking water had fluoride of 3 ppm. The teeth that are effected are:   (A) All primary teeth   (B) All permanent teeth, except third molars   (C) Incisors, canines, premolars and third molars   (D) Only molars
['(B) All permanent teeth, except third molars <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) All primary teeth \n (B) All permanent teeth, except third molars \n (C) Incisors, canines, premolars and third molars \n (D) Only molars <> possible answers', '  A child spends 8 years of life in a temperate climate where the drinking water had fluoride of 3 ppm. The teeth that are effected are: <> context@']