The Impact of Subject Age, Gender, and Arch Length on Attitudes of Syrian Dentists towards Shortened Dental Arches
Table 3
Mean difference and standard deviation of the mean difference for paired -test to examine the impact of arch length on dentists’ attitudes towards SDAs.
Length of the SDA
Subject age
35 years of age
50 years of age
70 years of age
M
F
M
F
M
F
(6 to 6) versus (5 to 5)
0.16 (0.25)
0.17 (0.27)
0.14 (0.32)
0.17 (0.31)
0.12 (0.30)
0.12 (0.30)
(6 to 6) versus (4 to 4)
0.25 (0.35)
0.27 (0.35)
0.25 (0.41)
0.27 (0.43)
0.21 (0.44)
0.22 (0.45)
(6 to 6) versus (3 to 3)
0.37 (0.45)
0.39 (0.41)
0.37 (0.51)
0.41 (0.48)
0.34 (0.58)
0.36 (0.56)
(5 to 5) versus (4 to 4)
0.09 (0.17)
0.11 (0.16)
0.11 (0.19)
0.10 (0.24)
0.09 (0.26)
0.10 (0.28)
(5 to 5) versus (3 to 3)
0.21 (0.29)
0.22 (0.26)
0.22 (0.32)
0.23 (0.31)
0.22 (0.41)
0.24 (0.41)
(4 to 4) versus (3 to 3)
0.12 (0.19)
0.11 (0.16)
0.12 (0.22)
0.13 (0.17)
0.13 (0.26)
0.14 (0.26)
Significant difference at /6 = 0.008 (Bonferroni’s correction). M: male. F: female. SDA: shortened dental arch. 6: first molar; 5: second premolar. 4: first premolar; 3: canine.