Braces and aligners already require enough adjustment without adding cavities to the list of things to worry about. But here's something a lot of patients don't consider until it's too late: does orthodontic treatment actually make teeth more vulnerable to decay? Is there a way to add an extra layer of protection while brackets and wires are doing their job? Could something as simple as a sealant make a real difference during those months or years of treatment? These are worthwhile questions for anyone gearing…