That will help with the sensitivity a little. If you have very sensitive teeth you can also opt for local anesthetic during the procedure. There will definitely be some sensitivity afterwards that you can manage with over the counter pain meds. The duration can be a few days.
While waiting for the implant to heal the flipper is a good option and the most reasonable. The healing can be as short as 3 months but possibly a year. During this time the flipper allows easy cleaning of the area.
There should be no shrinkage of the composite material after it has been completed in the office. When the bonding is placed there is slight shrinkage that is accounted for by the dentist. The material should be stable when you leave the office. It is possible that a piece may have dislodged but there would be no shrinking.
