Biometric index

Pont index online

A. Pont · 1909

Ширина дуги

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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What the index measures

A. Pont related arch width to the sum of upper incisor mesiodistal widths.

Clinical focus

Transverse arch width — not inter-arch crown ratios (Bolton).

When to apply

Expansion, crowding, arch form. Often with Korkhaus and clinical width.

Reference norms

Premolar and molar widths derived from the incisor sum

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Calculate on your models

Open the biometrics module in CephCalc, choose the dentition stage, and enter measurements for “Pont”. The PDF saves to the patient chart next to the treatment plan.

Interactive arch diagram
Outputs and PDF without Excel
Links to plan, braces and aligners
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FAQ

How does Pont differ from Bolton?

Bolton compares upper vs lower tooth sums. Pont estimates arch width from the incisor sum. Both run from one diagram in CephCalc.