Technically, yes—it will appear as a font. However, the characters are not typical glyphs; you would see pieces like radical tops or brace segments. It is not useful for general design.
The most frequent support ticket for MathType users is: "My equations show up as random punctuation marks!" mt extra truetype font for mathtype
Without MTExtra.ttf , MathType cannot "build" dynamic equations. The font essentially provides the for resizable mathematical operators. Technically, yes—it will appear as a font
Instead, the font provides the "pieces" needed to build large, stretchy mathematical constructs: the characters are not typical glyphs