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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