Table 5 The modified USPHS results after 24 months follow-up.
Category | Groups | 6 months | 12 months | 18 months | 24months | p-value |
|---|---|---|---|---|---|---|
1. Post-operative sensitivity | No preheated | 20 (95.24%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 0.392ns |
One time preheated | 20 (95.24%) | 20 (100.00%) | 21 (100.00%) | 21 (100.00%) | 0.392ns | |
Five times preheated | 20 (95.24%) | 20 (100.00%) | 21 (100.00%) | 20 (100.00%) | 0.392ns | |
Ten times preheated | 20 (95.24%) | 20 (100.00%) | 21 (100.00%) | 20 (100.00%) | 0.392ns | |
2. Marginal adaptation | No preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA | |
Ten times preheated | 21 (100.00%) | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
3. Marginal discoloration | No preheated | 21 (100.00%) | 20 (95.24%) | 20 (95.24%) | 20 (95.24%) | 0.392ns |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 20 (95.24%) | 20 (95.24%) | 0.392ns | |
Ten times preheated | 21 (100.00%) | 20 (95.24%) | 20 (95.24%) | 20 (95.24%) | 0.392ns | |
4. Secondary caries | No preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA | |
Ten times preheated | 21 (100.00%) | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
5. Surface texture | No preheated | 21 (100.00%) | 20 (95.24%) | 20 (95.24%) | 20 (95.24%) | 0.392ns |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 2(100.00%) | 0.392ns | |
Ten times preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | 0.392ns | |
6. Color matching | No preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21(100.00%) | NA |
One time preheated | 21 (100.00%) | 20(100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA | |
Ten times preheated | 21 (100.00%) | 21 (100.00%) | 20 (100.00%) | 20(100.00%) | NA | |
7. Gross fracture | No preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA | |
Ten times preheated | 21 (100.00%) | 21 (100.00%) | 20(100.00%) | 20(100.00%) | NA | |
8. Anatomical form | No preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | NA |
One time preheated | 21 (100.00%) | 20 (100.00%) | 20(100.00%) | 20(100.00%) | NA | |
Five times preheated | 21 (100.00%) | 21 (100.00%) | 21 (100.00%) | 21(100.00%) | NA | |
Ten times preheated | 21 (100.00%) | 21 (100.00%) | 20 (100.00%) | 20 (100.00%) | NA |
