Table 6 Percentage distributions of the maturation stages of the mandibular second molar among different growth phases
Growth phase | Dental Stage | Başaran et al.[23] | Chen et al.[28] | Sukhia and Fida[31] | Różyło-Kalinowska et al.[30] | Kumar et al.[29] | Perinetti et al.[20] | Overall |
|---|---|---|---|---|---|---|---|---|
Pre-pubertal | D | 11.7% | 1.0% | 4.5% | 2.4% | 5.7% | 18.4% | 5.4% (2.6-10.8) |
E | 9.8% | 6.3% | 11.1% | 4.6% | 19.7% | 21.8% | 10.8% (6.6-17.3) | |
F | 5.8% | 19.5% | 14.5% | 8.8% | 5.7% | 10.5% | 10.0% (6.7-14.6) | |
G | 0.5% | 11.9% | 15.3% | 19.0% | 0.7% | 7.9% | 6.7% (3.7-11.9) | |
H | 0 | 1.0% | 1.3% | 0.3% | 0 | 0.3% | 0.5% (0.2-1.2) | |
Pubertal | D | 0.5% | 0.3% | 0 | 0 | 0 | 0.6% | 0.4% (0.2-0.7) |
E | 2.5% | 1.3% | 2.9% | 1.1% | 0.7% | 1.4% | 1.7% (1.1-2.6) | |
F | 4.2% | 13.9% | 5.0% | 4.3% | 21.7% | 4.2% | 7.2% (3.6-13.8) | |
G | 12.7% | 23.2% | 25.8% | 28.0% | 22.0% | 10.5% | 19.6% (14.3-26.2) | |
H | 10.2% | 4.6% | 13.7% | 3.3% | 0.3% | 4.2% | 5.3% (2.9-9.4) | |
Post-pubertal | D | 0 | 0 | 0 | 0 | 0 | 0 | 0.1% (0.0-0.4) |
E | 0 | 0.3% | 0 | 0 | 0 | 0 | 0.2% (0.1-0.4) | |
F | 0 | 2.0% | 0.3% | 0.6% | 0 | 1.7% | 0.7% (0.3-1.7) | |
G | 9.0% | 7.9% | 1.8% | 17.0% | 2.3% | 8.2% | 6.5% (3.7-11.2) | |
H | 28.5% | 6.6% | 3.9% | 11.0% | 21.3% | 10.5% | 11.6% (6.5-19.9) |