From: Quantitative measures of gingival recession and the influence of gender, race, and attrition
Tooth class | Caucasian | African-American | Total (N = 120) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Male (N = 30) | Female (N = 30) | Male (N = 30) | Female (N = 30) | |||||||
Mean (mm) | SD | Mean (mm) | SD | Mean (mm) | SD | Mean (mm) | SD | Mean (mm) | SD | |
U6 | 7.20 | 1.04 | 6.68 | 0.93 | 7.08 | 1.05 | 6.07 | 1.04 | 6.74 | 1.10 |
U5 | 7.60 | 0.93 | 7.21 | 1.07 | 7.18 | 0.87 | 6.64 | 0.82 | 7.16 | 0.98 |
U4 | 8.46 | 1.03 | 8.20 | 0.90 | 8.27 | 0.86 | 7.72 | 0.83 | 8.16 | 0.94 |
U3 | 10.49 | 1.15 | 9.80 | 1.00 | 10.22 | 1.05 | 9.50 | 1.02 | 10.00 | 1.11 |
U2 | 8.97 | 1.05 | 8.96 | 1.06 | 8.79 | 0.98 | 8.50 | 1.06 | 8.81 | 1.04 |
U1 | 10.49 | 1.22 | 9.96 | 0.81 | 10.60 | 0.98 | 10.02 | 1.23 | 10.27 | 1.10 |
L6 | 7.08 | 0.64 | 7.03 | 1.22 | 6.49 | 0.63 | 6.30 | 0.79 | 6.73 | 0.89 |
L5 | 7.54 | 1.01 | 7.54 | 0.89 | 7.41 | 0.90 | 7.09 | 0.78 | 7.40 | 0.91 |
L4 | 8.81 | 0.95 | 8.34 | 0.59 | 8.48 | 0.74 | 7.68 | 0.64 | 8.33 | 0.85 |
L3 | 10.40 | 1.15 | 9.71 | 1.14 | 10.00 | 1.20 | 9.03 | 1.25 | 9.78 | 1.27 |
L2 | 8.29 | 0.99 | 8.57 | 0.99 | 8.27 | 0.87 | 8.14 | 1.23 | 8.32 | 1.03 |
L1 | 8.15 | 1.17 | 8.33 | 0.99 | 8.24 | 0.91 | 8.13 | 1.33 | 8.21 | 1.10 |