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Table 1 Cephalometric measurements

From: Gender-specific cephalometric features related to obesity in sleep apnea patients: trilogy of soft palate-mandible-hyoid bone

VariableDefinition
SNAAngle from sella to nasion to A point
SNBAngle from sella to nasion to B point
ANBAngle from A point to nasion to B point
SPL (soft palate length)Distance from PNS to tip of the soft palate
SPW (soft palate width)Widest width along perpendicular line to PNS to tip of soft palate
RPS (retropalatal space)Shortest distance from soft palate to posterior pharyngeal wall
RLS (retrolingual space)Shortest distance from tongue base to posterior pharyngeal wall
MPHLinear distance along the perpendicular plane from Hyoid to mandibular plane