>>36073465>Standard replySince the region is france-inspired, it is most likely that one of dedenne's inspritations was the tooth mouse, the south-european equivalent of the tooth fairy, and so it is a fairy type by concept, at least partially and/or originally, considering it has nothing "tooth fairy-like" on its final design other than the fairy type and pickup.
>RealityGamefreak introuced a new type that gen and they wanted to showcase it with all the cutesy marketable mons they could get.