Root Fracture Risk Calculator
Fracture risk from remaining dentin thickness and loading.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Fracture risk score (0-100)
44
Risk category (1-3)2
Dentin deficit (mm)0
Cuspal coverage needed (0/1)1
Est. 5-year survival (%)72%
How to Use This Calculator
- Enter Remaining Dentin Thickness (mm) at the thinnest point.
- Input Final Canal Size (ISO) used for the apical preparation.
- Toggle Post Present if a post will be or is cemented.
- Select Occlusion Type (normal, bruxism, or parafunctional) and Tooth Type (anterior, premolar, molar).
- Review Fracture Risk Score (0-100) and Risk Category — high-risk cases warrant crown coverage and occlusal adjustment.
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