The maximum class size for those students whose special education needs consist primarily of the need for specialized instruction which can best be accomplished in a self-contained setting cannot exceed 15 students (15:1), or 12 students in a State-operated or State-supported school (12:1), except that:
The permanent crown will fit, look, and feel better than the temporary after all the proper and necessary adjustments has been made. Most dentists will check your bite when the temporary is out and again when the permanent crown is in place (not cemented yet). The two should feel the same.
Second Visit: Receiving the permanent dental crown. At the second visit, your dentist will remove the temporary crown and check the fit and color of the permanent crown. If everything is acceptable, a local anesthetic will be used to numb the tooth and the new crown is permanently cemented in place.