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Table 3 Cephalometric measurements

From: Factors influencing root resorption in retained mandibular second deciduous molars with congenital absence of second premolars: a cross-sectional study

Cephalometric

 

SNA (degree)

79.8 ± 3.7

SNB (degree)

77.3 ± 3.9

ANB (degree)

2.4 ± 3.2

FMA (degree)

28.3 ± 7.0

U1 to FH (degree)

111.5 ± 9.8

L-1 to mandibular plane (degree)

88.4 ± 12.8

FMIA (degree)

62.2 ± 10.0

Model analysis

 

Overjet (mm)

2.9 ± 3.3

Overbite (mm)

2.9 ± 2.5

Upper arch length discrepancy (mm)

2.1 ± 8.3

Lower arch length discrepancy (mm)

1.6 ± 7.2

Panoramic

 

Crown height (mm)

6.4 ± 0.8 

Crown mesiodistal width (mm)

12.9 ± 1.3

Adjacent interdental space (mm)

8.9 ± 2.2

Distance from occlusal plane (mm)

2.2 ± 2.7

  1. Values are depicted in mean ± SD
  2. FMA, Frankfort-mandibular plane angle; FMIA, Frankfort-mandibular incisor angle; and SD, standard deviation