First, I'd like to give a little background information

I'm 27 and I have a long history of dental work (braces for 4 years, followed by regular 6 month cleanings from the ages of 18 - 25), as well as being quite the ice chewer when I was younger. I had my wisdom teeth cut out at 16 before they ever came in.
I don't grind my teeth at night. I may clench though but I'm not entirely sure on that either. I think part of my problem is that I have a lot of teeth in a little jaw, which is one reason my wisdom teeth were cut out. Or maybe just all the orthodontic work I had as a teenager, who knows.
I'd say too that my computer habits of the last 12 years haven't helped either.
A little over a week ago, I started having jaw pain after using my new electric toothbrush. Then one morning, I yawned and my jaw gave a tremendous cracking noise.
The jaw pain subsided in about 3 days after that and I had this deep aching feel for the next couple of days, as well as my teeth aching. I've kept myself to a diet of soft, non-chewy foods, avoided big jaw movements, kept myself on anti-inflammatories such as aspirin and turmeric, and kept cold packs on it as well.
I still pop but the popping is painless and seems confined to when I chew and not even all the time then.
I would like to go get this checked out by someone though come next month, just in case this is the start of something worse. I want to head it off at the pass, so to speak. I am currently uninsured and live about an hour away from my hometown.
Should I look to the dentist who has done all of my cleanings for the last 6 or so years? Should I go to an OP first? When I go, what should I tell them about? Simply that my jaw is popping, though it is painless, and I'd like to see if it's anything serious?