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Table 3 Measurement index

From: Disc repositioning by open suturing vs. mini-screw anchor: stability analysis when combined with orthognathic surgery for hypoplastic condyles

Index

Definition

Maxillary stability (°)

  Pitch

Angle between Pitch plane and X plane

  Roll

Angle between Roll plane and X plane

  Yaw

Angle between Yaw plane and Z plane

Mandibular stability (mm)

  B-Z

Distance between B point and Z plane

  B-Y

Distance between B point and Y plane

  ΔGo-Y

Difference between the distances of GoL and GoR to Y plane

Condylar rotation (°)

  Pitch

Angle between Co Pitch plane and X plane

  Roll

Angle between Co Roll plane and Y plane

  Yaw

Angle between Co Yaw plane and Z plane

Condylar movement (°)

  CoT-X

Distance between CoT point and X plane

  CoT-Y

Distance between CoT point and Y plane

  CoT-Z

Distance between CoT point and Z plane

Condylar remodeling (mm)

  CoT-X

Distance between CoT point and X plane

  CoL-Y

Distance between CoL point and Y plane

  CoM-Y

Distance between CoM point and Y plane

  CoA-Z

Distance between CoA point and Z plane

  CoP-Z

Distance between CoP point and Z plane