Free Periodontal Chart
Reliable periodontal charting and export-ready layouts.
- Capture periodontal measurements in real time with one-handed navigation.
- Switch between Realistic and Abstract chart layouts depending on chairside or admin needs.
- Produce professional PDFs and JSON exports that carry your clinic identity.
Quick start
- Launch the PerioChart web app from your browser; no install required.
- Select a visual style from the toolbar. Realistic works well for patient discussions and Abstract keeps data entry minimal.
Toolbar toggle for switching between Realistic and Abstract modes.
- Set tooth status by clicking any tooth label to cycle Present -> Missing -> Implant.
Status changes update charting logic and visuals instantly.

- Kick off measurements with the dropdown menu. Pick Pocket depth, Recession, Bleeding, Plaque, Suppuration, Mobility, or Furcation.
Each mode tailors guidance, shortcuts, and expected values.
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Click a site, enter a value, press Enter to follow the default navigation pattern automatically.
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Export as PDF or JSON once charting is complete for records and continuity of care.
Tip: Configure branding and patient information before the first session so every export is ready as soon as you finish capturing measurements.
Chart views
Realistic view
Detailed tooth anatomy with furcation arrows for chairside education.
Abstract view
Clean grid with high-contrast numbers and symbols for fast data entry and printing.
Measuring workflow
- Use Start with... to choose the first parameter; the interface updates shortcuts and validation rules.
- Follow the default quadrant navigation to keep teams aligned:
- Upper jaw - Buccal: Quadrant 1 posterior -> Quadrant 2 posterior.
- Upper jaw - Palatal: Quadrant 1 posterior -> Quadrant 2 posterior.
- Lower jaw - Buccal: Quadrant 4 posterior -> Quadrant 3 buccal.
- Lower jaw - Lingual: Quadrant 4 posterior -> Quadrant 3 posterior.
- Quadrant numbers follow FDI notation: Q1 (upper right), Q2 (upper left), Q3 (lower left), Q4 (lower right).
- Measurements stay in the browser. Export JSON whenever you need to move data between devices.
Navigation hint: Arrow keys let you correct or skip sites without leaving the preset traversal order.
Visual indicators
- Pocket depth (PD): 1-3 mm clear, 4-5 mm orange, 6 mm or more red, with a blue highlight for the active site.

- Recession: Red numeric overlay in Realistic mode.

- Bleeding on probing (BOP): Red dot marker, toggle with
.B
- Suppuration: Yellow dot marker, toggle with
.S - Plaque: Purple dot marker, toggle with
.P - Furcation: Grades I-III displayed at root furcations.

- Mobility: Numbers 1, 2, or 3 beside each tooth label.

Export and share
- Print or save as PDF to create branded records, referral packs, or patient handouts.
- Export JSON to archive data or pass results to compatible systems.
- Import JSON to resume charting or revisit previous sessions with full fidelity.
Storage note: Everything stays in the browser until you export. Download a PDF or JSON if you need copies outside the current device.
Branding and patient info
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Open Settings -> Branding to upload your logo and clinic details so every export reflects your identity.
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Add Patient information (name, ID, notes) to keep PDFs and JSON organized for your admin team.
Keyboard shortcuts
- next site
Enter - clears the current entry
Backspace - toggles Bleeding
toggles PlaqueB
toggles SuppurationPS
Need help?
Email support@zermmi.com for onboarding, feedback, or troubleshooting.
Prefer live support? Request a walkthrough or training session by email and we will coordinate a time that works for your team.
