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.
The Importance of Temporary Crowns. When a tooth is in need of a dental crown, several steps are required to complete the process. The tooth is usually numbed and trimmed to a smaller size. An impression, or mold, is taken and sent to a dental laboratory. The dentist then makes a temporary crown, and cements it over the prepared tooth.