[anonymous]

Hope these articles help.

Give a Dog a Bone (Not!)–FDA warns of dangers of feeding bones to dogs

http://www.embracepetinsurance.com/blog/harmful-side-animal-sourced-dog-chews
The only thing I give my dogs to chew is a raw carrot as a snack once a day. Watch them, if they are gulpers they could choke.
For dental, once a day brushings and annual checkups.

This is not veterinary advice; consult your veterinarian.