6 month dentist cleaning and check-up today. I’ve got another cavity on #5. Had one last time on the same tooth. Delores the hygienist said that I have a line of decalcification and as that happens the enamel gets soft and cavities form. Oh goodie. The dentist came in and started poking around, while he had his hands in my my mouth he was giving the hygienist comment to write in my file. He was using words like buckle and margin, was he talking about teeth?