Implant Maintenance Schedule Calculator

This calculator treats a prior peri-implantitis episode as a marker of elevated risk for further peri-implant bone loss, so it caps the interval at 6 months regardless of Risk Category (with a 3-month floor still applying for already-high-risk cases). A prior episode is itself a strong predictor of recurrence, so consensus guidance calls for materially closer monitoring than an otherwise-low-risk profile would suggest on its own -- a low Risk Category score should not be able to override a known disease-history red flag and produce a long interval.

No -- Number of implants does not change Recall interval in this calculator at all. It only raises Appointment duration and Annual maintenance cost, since more implant sites take longer to check and clean at each visit, but the frequency of those visits is driven by Risk Category, Peri-Implantitis History, and time since placement, not implant count.

The first year after implant placement is when soft-tissue healing, initial loading, and early signs of complications are most actively being monitored, so this calculator caps the interval at 3 months regardless of Risk Category during that period, then allows longer intervals once Years since placement passes 1.

It multiplies Years since placement by a per-year rate this calculator sets from Risk Category (0.05mm/year for low risk, 0.1mm/year for moderate, 0.2mm/year for high), so the estimate grows linearly with time in service and scales up for higher-risk cases. It is a modeling projection built into this calculator, not a measurement from the patient's actual radiographs.

No -- the specific months and bone-loss rates here are this calculator's own planning assumptions, not a citation to a specific published peri-implant maintenance guideline. Real recall scheduling should be based on your practice's protocol and each patient's actual clinical and radiographic findings at every visit.