Hi there. This dentist is actually a cerec trainer, so more than just experience, he trains other dentists in how to use it!

Here are his details.
Dr Nick Tramoundanas BSc,BDS,MISCD,MACDNA
ISCD Certified Cerec Trainer
Unit 5, 37 Miramar Ave.,
Miramar Plaza
Wellington 6003
NEW ZEALAND
Ph 64-4-3889999
Fax 64-4-3889348
email: smiledoctor@smiledoctor.co.nz
www.miramardental.co.nz

On his website, you can watch the video of him actually putting cerec in a patient and talking about it as he goes.

Hope this is helpful. He may also put you onto dentists that are the best bet in replacing this material if you wish to see someone closer to yourself.