CONSEQUENCES OF NOT GETTING YOUR TOOTH TREATED ON TIME so, basically caries starts on a superficial level of tooth called enamel this is the best time get it treated with a simple restoration. Now, when it enters the pulp (which is extremely painful) then also you save your tooth by root canal treatment. But once this infection stays for a longer period without treatment, it will create a periapical lesion called granuloma and this gramuloma enlarges to become a cyst, in both cases you will have to get your tooth extracted. so more you delay, more painful it becomes , and definitely treatment price gets more costly. so now the choice is yours!