 [ Symptoms ] can you mix bayer chewable 81 milligram baby aspirin and tylenol 80 milligram infant drops [ Disease ] if you go to your municipality is web site you can check on the fluoride levels as a science based organization the ada supports the department of health and human services recommendation to set the level for optimally fluoridated water at 0 7 parts per million this adjustment will provide an effective level of fluoride to reduce the incidence of tooth decay while minimizing the rate of fluorosis in the general population