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Table 2 Comparison of results of the cephalometric analysis of skeletal, dento-alveolar and soft tissue factors of the Polish study material compared to the control group (Björk)

From: The Polish face in profile: a cephalometric baseline study

  Supplementary values
  Wits appraisal   Mean Björk SD/Range Polish average Polish SD
20 Wits   0.0mm   0.70mm 3.14mm
  Jaw lengths (to Porion)      
21 Maxilla Po-A  mm   89.62mm 5.34mm
22 Mandible  Po-B mm   102.14mm 6.29mm
23 Relative jaw length   %   87.79 3.09
  Incisal inclination to OP      
24 Maxillary Ils/OP 60.7°   63.18° 6.26°
25 Mandibular Ili/OP 72.0°   69.55° 6.67°
26 Inter-incisal angle   132.0°   132.73° 10.09°
  Incisal relationship      
27 Maxillary incisor proclination Iis/NA    21.50o 7.47°
28 Maxillary incisor protrusion Is-NA    3.04o 2.49°
29 Mandibular incisor proclination Ili/NB    23.21o 6.05°
30 Mandibular incisor protrusion Ii-NB    3.29o 2.17°
31 ii to A-pg   1.0 mm   0.85mm 2.22mm