18 August 2022: Clinical Research
A 3-Year Clinical Evaluation of Endodontically Treated Posterior Teeth Restored with Resin Nanoceramic Computer-Aided Design/Computer-Aided Manufacture (CAD/CAM)-Fabricated Partial Crowns
Lei Zhang 1E , Xiao-Xia Hou 2C , Maihefuzi Aishan 3B , Meng-Ting Tian 3B , Hui-Yu He 1A*DOI: 10.12659/MSM.937331
Med Sci Monit 2022; 28:e937331
Table 2 Demographic and baseline data.
| Characteristics of research subjects | Number of participants | |
|---|---|---|
| Sex distribution | ||
| Male | 58 | |
| Female | 70 | |
| Age distribution (years) | ||
| 20–35 | 54 | |
| 36–55 | 68 | |
| 56+ | 6 | |
| Tooth distribution | ||
| Premolar | 17 | 18 |
| Molar | 49 | 48 |
| Arc distribution | ||
| Maxillary | 31 | 28 |
| Mandibular | 35 | 38 |
| Restored cusp | ||
| 1 | 12 | 20 |
| 2 | 34 | 26 |
| 3 | 8 | 12 |
| 4 | 12 | 8 |
| Cements: | ||
| Variolink N | 18 | 20 |
| Multilink N | 48 | 46 |