Share this article OAK BROOK, Ill., Feb. 23, 2021 /PRNewswire/ -- Today, Delta Dental released new findings from its Original Tooth Fairy Poll® that show the Tooth Fairy's average cash gift reached its highest point in the 23-year history of the poll for a total of $4.70 per tooth. Delta Dental has been analyzing the Tooth Fairy's U.S. annual giving trends since 1998. The newly disclosed value of a lost tooth has more than tripled since its inception when the value of a lost tooth was $1.30. 2020's historical giving is marked by the highest all-time average gift of $4.70 per tooth, four-cents higher than the previous peak in 2017 at $4.66.