Dental-arch biometric indices
Pick an index: what it measures, reference norms, and when to apply it. Run the calculation on your models in the CephCalc biometrics module next to the treatment plan and braces/aligner forms.
Index catalog
Four core indices for permanent and mixed dentition. Others (Korkhaus, Gerlach, Tonn, etc.) are available inside the biometrics module.
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Bolton
The Bolton index shows relative tooth-material excess on the upper or lower arch. In CephCalc you enter mesiodistal widths on the diagram and see anterior and o...
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Ширина дуги
Pont
Pont links upper-incisor sum to expected arch width. CephCalc calculates Pont from the same diagram as Bolton and saves the PDF to the chart.
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Сменный прикус
Tanaka–Johnston
Tanaka–Johnston estimates unerupted canine and premolar size from erupted incisors. CephCalc runs it in the mixed-dentition biometrics workflow.
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Неровность
Little
Little quantifies anterior crowding as millimetres of contact displacement. CephCalc stores the result next to Bolton and the space plan.
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