Dr. Purva Merchant has been answering letters from gaptoothed children and their parents — roughly 6,000 in all. “Happy ...

Lena Larmon, 6, lost her tooth on a United Airlines flight that traveled from New York to South Carolina. The flight's captain eased her loss when he wrote a letter to the tooth fairy.

After having wiggled the tooth all morning on August 10, Kaisley accidentally gulped it down, along with a bite of her burger at lunch, Worren Blake told CNN on Thursday.

An airline captain stepped up and wrote a letter to the tooth fairy after a 6-year-old girl lost one of her teeth during a United Airlines flight.