Does Invisalign Work to Shorten Bottom Front Teeth? If So, How?

After 25 years of wearing an upper partial, I am finally getting implants. But my dentist told me that over the years my four bottom incisors have grown upwards and are now too long. He suggested invisalign. I never got a chance to ask him about it because I was out of it with the anesthesia for the implant. I just wanted to know how that works.