Graph from Delta Dental When I was a kid in the 1970s, I remember getting perhaps about 50 cents per tooth from the tooth fairy. I was a bit surprised when I heard from colleagues and friends that the cost of one tooth has gone up since than to about 5 dollars. According to Delta Dental , a national dental insurance company, the current national average cost of one tooth is $4.66. Delta Dental has been putting out a survey every year since 1998 to see how much money the tooth fairy leaves b…
