Where are American consumers finding the lowest and highest fees for an adult prophylaxis? According to Sikka Software Corp., the zip codes discussed below represent the highest and lowest fees for the procedure otherwise coded as D1110.Are they always the best bargain, high or low? We took a look at some of the other economic factors in the areas around these zip codes.Sikka Software Corp. manages the Fee Analyzer service available on DentistryIQ.com, and more information can be obtained here. Sikka’s analysis of fees for dental professionals cover a variety of percentiles, but the fees quoted in this article are the median fees reported for a zip code. Low 73847 (Oklahoma)At the eastern tip of the Oklahoma panhandle, U.S. Highway 64 connects Rosston with Forgan, cutting through the rural area possessing this zip code. Click here for more information.High 99950 (Alaska)About 70 miles northwest of Ketchican on Prince of Wales Island lies a remote region known at Naukati Bay, which also serves as zip code 99950. Click here for more information. Low 57069 (South Dakota)The Missouri River is a short hike down the bluff from Vermillion, but the University of South Dakota is an even shorter walk. Click here for more information.High 11426 (New York)The first three zip codes in this article are kinda out there. The best directions to be given for this one are to just take one of the bridges across the East River and head for the center of Long Island. It’s New York, New York. Click here for more information.Low 38425 (Tennessee)Halfway between Nashville and Memphis, there’s rural Tennessee, highlighted by this community on the banks of the Tennessee River. Click here for more information.High 20815 (Maryland)Just outside the District of Columbia lies the Chevy Chase neighborhood. Ironically, just across Jones Bridge Road is the National Institutes of Health, which monitors health care policies. Click here for more information.Low 29594 (South Carolina)As the crow flies, this zip code is on the path between Columbia, S.C., and Raleigh, N.C. The interstate freeways between the two state capitals are faster than the crow. Click here for more information.High 10583 (New York)Anyone remember Scarsdale, as in dieting? The New York home of the low-carb high-protein approach to dining is also an expensive place for a prophy. Any relation? Nah. As with zip code 11426 above, it’s still New York, New York. Click here for more information.