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Calcimator

Implant Failure Risk Calculator

Risk score from patient and site factors.

Inputs

Results

Failure risk (%)

2.5%

Success rate (%)97.5%
Risk level (1-3)1
10-year survival (%)95.5%
Loading protocol (1-3)1
Osseointegration98%
How to Use This Calculator
  1. Enter Bone density (D1-D4), Current smoker (0/1), and Diabetes status (0-2).
  2. Set Bruxism (0/1) and Location (1-4).
  3. Review the Failure risk (%) (%) result.
  4. Use Success rate (%) (%) and Risk level (1-3) to inform your decision.

What each input means

Bone density (D1-D4)
Misch bone density: D1 = dense cortical, D4 = fine trabecular.
Current smoker (0/1)
0 = non-smoker, 1 = current smoker.
Diabetes status (0-2)
0 = none, 1 = controlled, 2 = uncontrolled.
Bruxism (0/1)
0 = no bruxism, 1 = bruxism present.
Location (1-4)
1 = anterior mandible, 2 = posterior mandible, 3 = anterior maxilla, 4 = posterior maxilla.

What each result means

Failure risk (%)
Estimated implant failure rate based on risk factors.
Success rate (%)
Estimated implant success rate.
Risk level (1-3)
1 = low, 2 = moderate, 3 = high risk.
10-year survival (%)
Estimated 10-year implant survival.
Loading protocol (1-3)
1 = immediate loading OK, 2 = early loading, 3 = delayed loading.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Bone density (D1-D4) = 2, Current smoker (0/1) = 0, Diabetes status (0-2) = 0, Bruxism (0/1) = 0 = 5 input(s) provided
  2. Calculate Failure risk
    Failure risk
    2.5 = 2.5%
  3. Calculate Success rate
    Success rate
    97.5 = 97.5%
  4. Calculate Risk level
    Risk level
    1 = 1

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