monophyodont

from The Collaborative International Dictionary of English v.0.48
Monophyodont \Mon`o*phy"o*dont\, a. [Gr. mo`nos single (mo`nos
   alone + ? to produce) + 'odoy`s, 'odo`ntos, a tooth.] (Anat.)
   Having but one set of teeth; -- opposed to {diphyodont}.
   [1913 Webster]
    

[email protected]