monophyodont
/ˌmɒnə(ʊ)ˈfʌɪə(ʊ)dɒnt/Zoology
adjective
(Of a tooth) occurring in only a single dentition; (of a dentition) occurring in an animal as the only dentition.
Origin
Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From ancient Greek μονοϕυής single + -odont, after ancient Greek (Ionic) ὀδόντας μουνοϕυέας (Herodotus 9.83), in a description of a human skull where the teeth of the upper jaw are formed in one piece.