The Siberian Husky is not a one-person dog. Nor is he a guard dog. He might let you know someone is around, but he has no concept of protecting you. The Siberian is a friendly and gentle dog who is not overly suspicious of strangers or aggressive toward other dogs.
The short answer is yes, it's entirely possible to have RA in your jaw-RA affects joints and your jaw is a joint. In my personal experience, I find jaw pain one of the most difficult to cope with, it's as if it permeates everything, making it impossible to ignore.
Rheumatoid arthritis (RA) can affect any joint in your body, including those in your hands and fingers. You may have: Hand pain, finger pain, swelling, and stiffness. Hand joints and finger joints that are warm and tender to the touch. The same joints affected on both sides of your body (both wrists, for instance)