At Zeus, our philosophy is that itâs not always what you have â itâs what you are able to accomplish with what you have that fosters innovation. For 50 years, we have developed and manufactured precise polymer extrusions to meet the demands of the most advanced applications.
1 Dr Charles Tweed was the first certified orthodontist in the US. 2  The first braces were constructed by Pierre Fauchard in 1728. 3  Fauchard's braces consisted of a flat strip of metal, which was connected to teeth by pieces of thread.
Orthogenesis was a term first used by the biologist Wilhelm Haacke in 1893. Theodor Eimer was the first to give the word a definition; he defined orthogenesis as the general law according to which evolutionary development takes place in a noticeable direction, above all in specialized groups.. In 1922 the zoologist Michael F. Guyer wrote: