Think dentist shaved off more than he said he would. Is it possible to tell how many mm shaved from photos? (photos)

Hello
The veneer preparation is supposed to be very conservative so the final veneer adhere well to the enamel. I have no information about how your tooth looked before, however just looking at the preparation I estimate about 2 to 2.5 millimeter was shaved from the length and at least 1.5 mm from the outer aspect of your tooth. You are getting a "Porcelain Restoration",  which could be a 3/4 crown or 7/8 crown, not a conservative veneer in which all the surfaces are in enamel. 
Best of luck 

Hi Jacob,
Porcelain veneers is an art and you should only entrust an expert to perform this procedure. In particular, the most difficult case is to place one veneer only, trying to match them with the remaining teeth. 
Generally, there are different guidelines when it comes to preparation-- the deep preparation, the shallow preparation, and the no-prep. Patients usually prefer the shallow and the no-prep veneers. It is very possible that the reduction was necessary, thus do not worry about the preparation for now. 
Please get your temporary as soon as possible and get your veneer placed. It is most important that you look three times in the mirror before you agree to cement this veneer. Like I said, it is the most difficult procedure to match the rest of your teeth. Best of luck!

Best,
Dr. Joseph Goodman

Good Photos!The second dentist reduced more of the tooth so that he could deliver the best looking veneer/crown possible for you. See how things look after the restoration is delivered.The sensitivity should reduce or be eliminated with the permanent one.You really should wear your temporary!