Is It Possible for an Invisalign Button to Break but Not Fall off Completely?

If your overbite is that extensive Invisalign might not be the best option. It would only be able to decrease the overbite slightly so it really depends on what your end goal is. They would also have to evaluate if tooth extraction is an option to fully correct the overbite.

You can certainly get your cavities filled while you are in aligners.  Given this situation, I normally fill one or two cavities at a time to make sure aligners still fit properly afterwards rather than filling them all at once.

If they weren't included in your treatment then you can expect to pay $500-$750 in most areas. $1100 does seem a little high. You can go to any Invisalign dentist to get Vivera retainers. 

I would speak to your doctor about your concerns. Invisaling does have some limitations so be sure to ask if your result is due a treatment limitation or if you need some more aligners to get the correction that you desire.

Canines being rotated and gaps opening up usually means that the front teeth may be moving forward. It is very difificult for canines to start rotating if there is no space available. Your lower and upper teeth may be drifting forward. Whilst you are rotating the canines back, you may...

The new trays are much thinner and more comfortable. All of my patients who had refinement trays with the newer material asked "Why didn't I get this before?, this is way more comfortable!" Invisalign spends a lot of money on research and development. This is just one of their many...