Tooth preparation of veneer crown is a very important step in prosthodontic treatment. The following basic principles are necessary to fabricate the esthetic form and good fit of veneer crown. 1. Have a good grasp of the restorative from before tooth preparation. 2. Prepare in your mind for the ideal form preparation. 3. Use the air turbin exactly. 4. Use magnifier to prepare. 5. Select the instrument that is suitable for the form preparation. 6. Prepare fully on labial tip part of abutment tooth. 7. The end of shoulder type is more lingual than conntact point. 8. Don't undercut when shoulder type is prepared. 9. Prepare smooth finishing line and clear margin cervical part. 10. Don't make outline of abutment tooth too sharp.
