We give our dog root chews. He not only gets bad bread but also is a power chewer so we are afraid to give him anything too hard to chew on since he will definetly break one or several of his teeth. The roots chews are soft yet keep him occupied for long periods of time and clean his teeth and gums. Here's some helpful info:

https://www.smartdogguide.com/everything-you-need-to-know-about-root-chews-for-dogs/
Everything You Need To Know About Root Chews