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Brackets on Teeth

The 0,0,0 reference point should be:

  • at the bonding base (i.e. the intersection of the Mesial&Distal and Occlusal&Gingival curves)

  • aligned to the middle of the opening of the brackets, i.e. the Y axis goes through the middle of the opening

A similar convention for the coordinate system as we have for the virtual teeth is used:

  • +X axis points in the distal direction / -X axis points in the mesial direction

  • +Y axis buccal / -Y axis lingual

There are two separate sets of brackets for the lower and upper arch while orientation of the Z axis changes between the sets:​​

  • Upper arch brackets:

    • -Z axis points to the occlusal edge (see the figure below)

    • +Z axis gingival (apical)

  • Lower arch brackets:

    • +Z axis points to the occlusal edge (coronal or incisal direction)

    • -Z axis gingival (apical)

Send the excel file and properly oriented bracket STL files to plan@blueskybio.com

Download and complete the below excel file:

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