A dental implant post usually lasts decades. The crown on top usually doesn’t. In the largest recent review of long-term studies, 96.4% of implants were still in place after 10 years. That is the number behind the “lasts a lifetime” claim, and it is real. But it describes the titanium post in the bone, not the tooth you see, and it comes from studies that lost track of some of their patients.
If you are weighing a $3,000 to $4,500 implant, it helps to know which part lasts how long, what tends to go wrong, and what that means for the cost per year.
What the studies measure
Implant research mostly reports survival: the implant is still in the mouth at the last check-up. That is not the same as trouble-free. A surviving implant can have a loose screw, a chipped crown or gum inflammation around it. Studies also report the post and the crown separately, because they fail in different ways.
| What was measured | After 5 years | After 10 years | Source |
|---|---|---|---|
| Implant posts supporting single crowns | 97.2% | Jung et al. 2012, 46 studies | |
| Implant posts, current designs | 96.4% | Howe et al. 2019, 18 studies | |
| Same, counting patients lost to follow-up | 93.2% | Howe et al. 2019 | |
| Crowns on single implants | 96.3% | 89.4% | Jung et al. 2012 |
Read across the bottom row and the pattern is clear: the crown is the part that wears out. The post underneath usually stays.
Why “lasts a lifetime” needs an asterisk
Long-term studies lose patients. People move, stop coming to check-ups or die, and the ones who stop coming are not a random group: someone whose implant failed may well have gone elsewhere. The 2019 review tested what happens if you account for those missing patients instead of ignoring them. The 10-year survival estimate dropped from 96.4% to 93.2%, and the range of plausible results widened to anywhere from 76.6% to 100%.
The same analysis found that age 65 and older was a significant predictor: estimated survival in that group was 91.5%. The authors describe it as “a possible doubling of the risk of implant loss in the older age groups.” That doesn’t mean implants are a poor choice after 65. It means the honest number for an older patient is closer to 9 in 10 over a decade than to 97 in 100.
The crown wears out first
The crown on an implant takes every bite, and it is held on by cement or a small screw. In the 2012 review of single implant crowns, within the first five years:
- 8.8% had a screw that loosened
- 4.1% came loose from the implant
- 3.5% had chipped or fractured porcelain
Most of these are repairs, not failures: a loose screw is tightened, a crown is re-cemented. But over 10 years, about one in ten crowns needed replacing outright. A new implant crown typically costs $1,000 to $2,000, the same range as the crown in the original treatment plan. Ask your dentist up front what a replacement crown would cost, and keep a record of the implant brand and system used. Another dentist will need that information to source matching parts years from now.
The real long-term threat: infection around the implant
Implants can’t get cavities, but the gum and bone around them can become inflamed. Inflammation of the gum alone is called peri-implant mucositis. When it also destroys bone around the implant, it is peri-implantitis, and that is what loosens implants years after they healed in.
It is common. A 2015 review pooled the studies available at the time and estimated an average prevalence of 43% for mucositis and 22% for peri-implantitis. The individual studies varied widely, from 1% to 47% for peri-implantitis, partly because they defined it differently. Whatever the exact number, it is the reason implant patients are asked to keep regular cleanings and check-ups: problems found early are easier to treat than bone loss found late.
What an implant costs per year
Using the national averages from our implant cost guide:
| Over this period | What you pay | Per year |
|---|---|---|
| First 10 years | $3,750 for the complete implant | $375 |
| 20 years, with one replacement crown | $3,750 + about $1,500 | about $260 |
| 30 years, with two replacement crowns | $3,750 + about $3,000 | about $225 |
These figures leave out cleanings and check-ups, which you would pay for with or without an implant, and any repairs along the way. They also assume the post survives, which over 10 years it does in roughly 93 to 96 cases out of 100.
The per-year cost is what makes implants competitive with cheaper options that need replacing more often. For the full comparison, see implants vs. bridges and implants vs. dentures. To price your own case, use the implant cost calculator.
Questions to ask before you commit
- Which implant system will you use? Ask for the brand and keep it in writing. Well-established systems make it easier to get parts later.
- What does a replacement crown cost? It will likely be needed, so price it now.
- What maintenance do you recommend? How often to come in, and what an implant check costs.
- What happens if the implant fails in the first year or two? Ask whether the office has a policy for early failures, and get it in writing rather than relying on a verbal promise.
If the price is the main obstacle, dental school implant clinics and the other routes in our affordable implants guide can bring a complete implant down to roughly $1,500 to $2,500, with the same hardware.