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The correlation coefficient between ratio parameters and chronological age
| Tooth | CA | PDVR | EDVR | |
|---|---|---|---|---|
| C | CA | - | − 0.67 | − 0.66 |
| PDVR | − 0.67 | - | 0.56 | |
| EDVR | − 0.67 | 0.56 | - | |
| Li | CA | - | − 0.65 | − 0.61 |
| PDVR | − 0.65 | - | 0.47 | |
| EDVR | − 0.61 | 0.47 | - | |
| Ci | CA | - | − 0.68 | − 0.61 |
| PDVR | − 0.66 | - | 0.56 | |
| EDVR | − 0.61 | 0.56 | - |
C canine, Li lateral incisor, Ci central incisor, CA chronological age, PDVR pulp to dentine volume ratio, EDVR enamel to dentine volume ratio
