Dental General 1eeb083f By the commercial infant food, total oral intake of fluoride by infants is about? A 0.12 mg/day at age 1-4 weeks B 0.12 mg/day at age 4-6 month C 0.32 mg/day at age 1-4 weeks D 0.32 mg/day at age 4-6 month High-Yield Explanation No explanation provided.