You will find some dog beds that are designed to provide mutual support, but that might not contain the actual orthopedic foam. If this occurs, the bed would say that it is an orthopedic bed, but it will make no mention of orthopedic foam.
This does not mean that it is a bad bed. Instead, it may be superior to a bed containing healing orthopedic foam. If you are looking for orthopedic dog bed with bolster then you can browse various online sources.
When you are shopping for pets that have special needs or have a medical condition that needs help, it is best to step back and see the big picture when comparing different types of orthopedic dog beds available. Do not go to sleep just because of who said it was "orthopedics".
Using common sense and look at the bed as a whole is concerned. For example, the bed may technically be "orthopedic dog bed," but only offer a single thin piece of foam with the rest of the bed rather simple. Additional beds can be made of ordinary grade furniture foam, but also including the high attic filled with durable, easy to clean the bed cover.
In this case, you may find that your dog may be much happier with the beds not only relieve their joint pain but also more comfortable, stronger and more durable. In the end, it comes down to what your dog bed budget and know what you want and need to make sure your pet is getting a good night's rest.