There is "no real evidence" braces cost in bangladesh surgery was practised in ancient Egypt besides evidence showing the potential extraction of a few teeth, he told AFP.

Only three examples of gold wire holding teeth together have been attributed to the ancient Egyptians and two were likely applied post-mortem in preparation for the afterlife, Forshaw wrote in 2009.

He said the gold-wire teeth model was most likely a copy of an appliance from Phoenicia, an ancient country situated primarily in modern-day Lebanon.

In Guerini's 1909 book "A History of Dentistry", he refers to discoveries made by French naturalist Dr Charles Gaillardot at the Phoenican city of Sidon, which featured gold wire holding teeth together.

"Dr. Gaillardot found, in the midst of the sand that filled the grave… a part of the upper jaw of a woman, with the two canines and the four incisors united together with gold wire," Guerini wrote.

The book features drawings on page 33 which correspond to the models seen in misleading Facebook posts.