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Table 1 Mean differences of typical distances between reference points plus maximum deviation from reference image. The motion patterns are defined in Tab. 1. SD: standard deviation

From: Influence of patient motion on definition of typical cephalometric reference points in digital horizontally scanning cephalometric radiography

Distance

Mean ± 

SD [mm]

Min[mm]

Max [mm]

Maximum difference to reference [mm]

Motion for image with maximum deviation

S–N

64.4 ± 5.2

60.8

82.8

−18.8

dorsal shift 20 mm

N-Me

112.3 ± 0.3

111.7

112.7

0.7

permanent nodding 5 mm