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Table 1 Demographic data

From: Twin study—genetic comparison of matrix versus intramatrix rotation in the mandible and three different occlusal planes

Number of pairs Age
Mean (SD) Min Max
MZ (n = 36) Male (n = 16) 41.0 (7.90) 26 57
Female (n = 20) 38.6 (7.56) 24 58
DZ (n = 13) Male (n = 7) 42.2 (9.15) 34 63
Female (n = 6) 43.67 (4.66) 38 48
Sibling (n = 26) Male (n = 11) 32 (8.32) 20 47
Female (n = 15) 42.8 (11.64) 24 60
Total (N = 75) 39 (9.26) 20 63