Mean angulation ± SD, degrees

Arch

Side

Canine

First premolar

Second premolar

First molar

Right

81.8 ± 5.8

87.3 ± 4.4

88.5 ± 4.7

89.1 ± 4.0

Maxilla

Left

82.7 ± 3.9

86.8 ± 4.8

89.2 ± 3.8

87.0 ± 3.8

Right

89.6 ± 4.9

90.7 ± 4.1

88.7 ± 4.1

88.9 ± 4.8

Mandible

Left

87.3 ± 3.2

87.1 ± 4.0

86.1 ± 3.2

85.5 ± 4.7