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Calcimator

Retention Protocol Calculator

Determine retainer type, wear schedule, and replacement interval based on relapse risk factors and time since treatment.

Inputs

mo
years

Results

Relapse Risk Score

45

Daily Wear Hours22
Essix Replacement Interval (months)6
Annual Essix Cost ($)$300
Annual Fixed Retainer Cost ($)$75
Next Replacement (months)6
Months Since Debond0
Upper RetainerEssix clear retainer
Lower RetainerFixed bonded wire (3-3)
Wear PhaseFull-time (remove only to eat/brush)
Annual Hawley Cost$117
How to Use This Calculator
  1. Enter treatment type completed (full fixed, limited, aligner), patient age, and growth status.
  2. Enter any high-risk relapse factors: spacing, rotations, periodontal history.
  3. Read the recommended retention protocol: retainer type, wear schedule, and monitoring interval.
  4. Review evidence-based retention duration — most patients require indefinite nighttime retainer wear.
  5. Document the retention protocol in the treatment record and review with the patient at debond.
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