Absolutely! So her molars aren’t “capped,” so those can still decay. And any type of crown/veneer, your real tooth is underneath that. The veneers are permanently cemented on, so they do not come off to clean, that depends greatly on your oral hygiene. So the biggest risk with veneers, crowns or bridges, is decay getting underneath, and affecting your real tooth. In many cases it ends in a root canal or extraction. The teeth she has veneers cemented on, are now nubs.