SCIII Geometric Morphometric Model

Identify skeletal Class III subphenotypes from cephalometric landmarks

Reference subphenotypes

Subphenotype 1

Mild SCIII; shorter clockwise rotated cranial base; slightly retruded maxilla; protruded mandible; brachycephalic

Subphenotype 2

Slight SCIII; short counterclockwise rotated cranial base; retruded maxilla; retruded mandible; vertical tendency

Subphenotype 3

Severe SCIII; enlarged cranial base; well-positioned maxilla; overdeveloped mandible; severe mandibular protrusion; mesocephalic

Subphenotype 4

Borderline SCIII; short cranial base; retruded maxilla; mandibular protrusion; mesocephalic

Subphenotype 5

Severe SCIII; short counterclockwise rotated cranial base; maxillary retrusion; mandibular protrusion; dolichofacial

Subphenotype 6

Severe SCIII; short counterclockwise rotated cranial base; maxillary retrusion and hypoplasia; mandibular protrusion; dolichofacial

Upload landmark coordinates

Upload a .csv or .xlsx table with:

  • Rows: Sella, Basion, PNS, A Point, B Point, Pogonion, Menton, Gonion, Ramus Point, Distal Aspect of Condyle, Condylion, Nasion
  • Columns: x and y (semicolon-separated for CSV)

Try the example.csv file.

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Upload a landmark file to see classification results.