In May 2008, 7-year-old David DeVore Jr. was taken to the dentist to have an extra tooth removed, due to a hereditary condition called hyperdontia.
At one point, he famously attempted to push himself up from his seat (while still buckled in) and began screaming before sinking back in exhaustion.
Being overwhelmed with people wanting to see the video, he decided to upload it to YouTube, but did not notice there was a private option.
They also sell "David After Dentist" T-shirts and donate a portion of the revenue they earn to dental charities.
In medical literature, several ocular complications such as diplopia (blurred and double vision) and dizziness have been reported as a consequence of improperly administered local intraoral anaesthesia.