13 October 2021 : Clinical Research
Comparing the Traditional Versus Conservative Endodontic Access Cavities Design of the Maxillary First Molar: Using Cone-Beam Computed Tomography
Huachao Sui1ABE, Bo Zhao2ABE, Haidan Nie3BE, Xin Hao1BG, Feng Qiao4C, Cuicui Sun3C, Changyi Li5G, Liwen Zhou3E, Ligeng Wu3AG*DOI: 10.12659/MSM.932410
Med Sci Monit 2021; 27:e932410
Table 4 Correlation analysis between age and 8 coordinate points for males and females.
| Variable | Men | Women | ||
|---|---|---|---|---|
| R | P-value | R | P-value | |
| x | −0.01 | 1.00 | −0.03 | 1.00 |
| y | −0.11 | 1.00 | −0.11 | 1.00 |
| x | 0.08 | 1.00 | 0.03 | 1.00 |
| y | 0.05 | 1.00 | 0.00 | 1.00 |
| x | 0.02 | 1.00 | 0.02 | 1.00 |
| y | −0.09 | 1.00 | −0.13 | 0.36 |
| x | 0.01 | 1.00 | −0.06 | 1.00 |
| y | −0.03 | 1.00 | −0.09 | 1.00 |
| x | −0.03 | 1.00 | −0.08 | 1.00 |
| y | −0.02 | 1.00 | −0.02 | 1.00 |
| x | 0.01 | 1.00 | 0.02 | 1.00 |
| y | 0.10 | 1.00 | −0.02 | 1.00 |
| x | 0.00 | 1.00 | −0.06 | 1.00 |
| y | −0.10 | 1.00 | −0.10 | 1.00 |
| x | 0.00 | 1.00 | −0.08 | 1.00 |
| y | 0.00 | 1.00 | −0.04 | 1.00 |
| PHPA | −0.08 | 1.00 | −0.15 | 0.22 |
| RCOPA | −0.20 | 0.09 | −0.11 | 1.00 |
| Ratio | 0.14 | 0.93 | −0.01 | 1.00 |
| * PHPA – pulp horn projection-connecting lines area; RCOPA – root canal orifice projection-connecting lines area. | ||||