Unless the bone is cooked (and smoked bones sold as dog chews count), dried out, or very dense (think cow femur), it's actually quite safe - not prone to splintering or sharp edges. One of the reasons we suggest feeding a bone with meat on it is that this can cushion the bone going down and also helps mitigate the constipating effect bone can have, but dog stomachs are perfectly well equipped to digest most raw bones. In our case with the lamb rib, it wasn't chunks of bone causing the issue, but rather very dry and hard feces - the actual bone was digested in the stomach, but the excess calcium really bound up his poops. He does fine with smaller bones with more meat on them, like chicken legs.
Definitely make your own choice about what you're comfortable with and what you think would work for your dog. Honestly any edible, long-lasting chew has some risk of causing tooth damage and/or impaction, so it's up to each owner to judge what those risks are for their individual dog and where their comfort level is.