Personally, I skip the wheaty, chlorophyll toothbrush-like treats, and head straight for the meat - raw bones

Because the nature of the chew toy has to be so that it has a hard, abrasive edge to efficiently clean teeth, I would think that all such products must pose a choking hazard. Until they create a toy that is bone hard on contact but completely soft and digestible once consumed, you're always going to have a choking risk. So far, they have not created such a toy since it would take a greyt amount of research and testing and quite a bit of engineering. So, to answer your original question, yes, Nutridents should pose the same risks as Greenies.