Implant longevity studies track what percentage of implants remain functional over defined time periods, most commonly 5 or 10 years — reporting survival rates that need to be interpreted carefully given differences in how studies define success and which patient populations they include.
Key takeaways
- —Survival rate and success rate are not always the same thing — survival usually means the implant is still present; success often requires no significant complications.
- —Ten-year data is now available for zirconia; data beyond 20 years is currently available only for titanium.
- —Individual study populations (bone quality, smoking prevalence, patient age) affect reported rates significantly.
- —Understanding what a study's follow-up period actually was is essential before comparing percentages across different sources.
What survival rate actually measures
A survival rate tells you what percentage of implants in a study were still present and functional at a defined follow-up point. It does not tell you how many of those had experienced minor bone loss, occasional discomfort, or required interventions like screw tightening along the way. Success rate studies use stricter criteria — some require no complications at all — which is why survival rates tend to be higher than success rates from the same patient groups.
How to compare studies meaningfully
Before comparing a 95% figure from one study to a 93% figure from another, it is worth checking: what time period was each measured at? How did each study define survival or success? Were the patient populations comparable in terms of bone quality, smoking status, and case complexity? Differences in any of these factors can explain apparent percentage differences that have nothing to do with which material actually performs better.
What the longevity research practically means for patients
The practical takeaway from the longevity literature is not a specific magic number to memorize but rather a pattern: both well-established materials, in appropriate patients with good aftercare and regular maintenance, produce high long-term survival rates. Patient-level factors (maintenance, smoking, bone quality) influence where individual patients land within that range more than material choice does for most people.
Ready to find a provider?
Filter our directory by zirconia availability, technology, and financing options.
Frequently asked questions
Are 90% or 95% implant survival rates good or bad?+
In the context of an elective procedure with high individual variability, 90–95% over 10 years is considered a strong outcome — comparable to or better than many other well-established dental restorations tracked over similar periods.
If a study shows 97% survival, does that mean I have a 97% chance of success?+
Population averages don't directly translate to individual probability because they reflect a mix of patients with different risk profiles. Your individual risk depends on your specific bone health, smoking status, oral hygiene, and other factors — which is why discussing your personal risk with your provider is more informative than a population average.