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Table 1 Difference between pre- and post-distalisation lateral cephalometric parameters measured

From: Surgically assisted rapid maxillary expansion in lingual orthodontics – optimizing of coupling and timing

Lateral cephalometric parameters

Pre-distalisation

Post-distalisation

Change

SNA angle (°)

80.9

80.4

−0.5

SNB angle (°)

84.6

82.8

−1.8

ANB angle (°)

−3.7

−2.3

1.4

Wits (mm)

−9.3

−9.8

−0.5

ML-NL (°)

31.9

32.3

0.4

UI-NL (°)

123.1

110.1

−13.0

LI-ML (°)

75.7

88.8

13.1

  1. Key: SNA angle between Sella-Nasion-A point; SNB angle between Sella-Nasion-B point;
  2. ANB difference SNA-SNB; Wits: measure of sagittal jaw discrepancy at occlusal leve;
  3. NL palatal plane; ML mandibular plane; UI upper incisor long axis; L1 lower incisor long axis