Everybody gets an expander

RME was invented by Emerson Angell in 1860.1 His case report was published in the Dental Cosmos, the first national journal for the dental profession. Angell's patient was a 14-year-old girl fitted with a transpalatal appliance that featured two counter-rotating screws. After two weeks of turning the screws on her own, she returned to his office with her crossbite corrected and a small midline diastema. Angell concluded that the palatal bones must have separated. Unfortunately, his theory was rejected by his contemporaries, which resulted in a clinical moratorium for the appliance for nearly a century.

Source: Seminars in Orthodontics - May 12, 2023 Category: Dentistry Authors: Neal Kravitz Source Type: research