You need to stop putting this off and just get in there. If you let it go long enough, then your teeth and gums will become permanently damaged and you'll need cleanings every 60 days instead of 120, for the rest of your life. If you hate going into the dentist now, just wait until you're on that schedule. I narrowly escaped this fate, but it happened to our project manager.

If you have a lot of cavities to fill, I would advise knocking it all out outside the country. I went to a dentist in Medellin that did an amazing job, basic cosmetic and restorative work on my whole mouth plus the plane tickets and a 21 day stay in an AirBnB totaled out cheaper than my Atlanta dentist wanted for one inlay.