For this process, my dentist didn't even have to numb the teeth. He ground off a little bit of the grooved area, then built it back up again, and shaped it into place and set it with a bright light tool. You would never know by looking at me that any work had been done. I can feel the smoother teeth, though. With relatively little fuss (and insurance will pay for 60% of it, with my healthcare saving account covering the rest), I was out of there and into traffic so early that the morning commute was still on. No harm, though.
The only drawback of the procedure: He told me to only eat soft foods for the next 24 hours (until tomorrow mid-morning), and while hot drinks might be okay, he recommended against coffee or tea because they could end up staining the material until it has completely set. That means no coffee, tea, or cola for me until tomorrow. Today has been a day of grogginess accordingly. But I'm glad to have the teeth repaired.