Permanent Dental Implants: What “Permanent” Really Means for Your Teeth

Ask ten dental websites how long a permanent dental implant lasts and you’ll get ten answers. Ten to fifteen years. Twenty-five years or more. Forever. Almost none of them say where the number came from. That’s a strange thing to find on a question this important.

Here’s what’s going on. The word permanent is doing two jobs at once, and only one of them is honest. To a dentist, a permanent implant means fixed in place, the kind you don’t take out at night, as opposed to a removable appliance that clips on and off. That’s a real and useful distinction. To a patient reading a website at 11pm, permanent means never think about this again. Those are not the same promise, and the gap between them is where most of the disappointment in implant dentistry lives.

We’ve been doing this in Oregon for over 40 years. Family-owned since 1981, four locations in Eugene, Salem, Corvallis and Roseburg, on-site laboratories at every one of them, and over 40,000 restored smiles and counting. We have both licensed denturists and dentists working under the same roof, which means we’re not selling you one answer because it’s the only one we have. This post gives you the research as it actually reads, including the parts that are less flattering than the marketing.

What Does “Permanent” Actually Mean in Permanent Dental Implants?

Quick answer: In clinical use, “permanent” means fixed, not removable by you. A permanent implant restoration is screwed or cemented in place and only your provider can take it off. It does not mean the restoration never needs work. Your dentist can and sometimes does remove a fixed implant crown deliberately, and retrievability is considered an advantage of certain designs, not a failure of them.

This is the single most useful thing to understand before you read another word about implants. The industry uses permanent as a structural description. It’s the opposite of removable. A permanent implant bridge stays put while you sleep; a removable implant overdenture clicks out over the sink.

Both are legitimate treatments. Both are built on implants. One of them you can hold in your hand.

When a website tells you implants are permanent and then stops, it has told you something true about how the teeth attach and nothing at all about how long they’ll serve you. Those are separate questions, and the rest of this post answers the second one.

Are Dental Implants Permanent?

Quick answer: The titanium post is designed to stay in the bone indefinitely, and it very rarely fails mechanically. The tooth on top of it is a serviceable part with a shorter working life. Treating those two things as one object is the reason patients feel misled a decade later, when the fixture is fine and the crown needs replacing.

We call this The Anchor and the Tooth, and it’s the fifth framework in our implant series, alongside The Foundation Test, The Three Clocks of Implant Healing, Never / Not Yet / Not Like That, and The Neighbor Test.

The Anchor

The anchor is the titanium post placed in your jaw. Bone grows tight around it in a process called osseointegration, which simply means the bone locks onto the metal surface. Once that bond forms, the post is not going anywhere on its own. In a 2012 systematic review in Clinical Oral Implants Research led by Ronald Jung, which pooled 46 studies and more than 3,200 implants, implant fracture occurred in 0.18% of cases over five years. Fewer than two in a thousand.

The anchor is the part that comes closest to earning the word permanent.

The Tooth

The tooth is everything above the gumline: the crown, the abutment that connects it, the screw holding it together, or the bridge or denture the implants support. This is a working part. It takes every bite you make, and it wears, chips, loosens and eventually gets replaced.

In that same Jung review, the numbers separate clearly. At five years, implant fixtures survived at 97.2% and the single crowns on them at 96.3%. Close enough. But by ten years the fixtures were at 95.2% while the crowns had dropped to 89.4%. Both figures carry wide margins, and the crown estimate ranges from 83% to 94%, but the gap between the two holds.

For multi-tooth work the gap is wider. A companion review from the same year and journal, led by Bjarni Pjetursson, found implants surviving at 93.1% at ten years while the fixed bridges they carried survived at 80.1%. One in five of those bridges was no longer in service at ten years, while the implants holding them up stayed above 93%.

  The Anchor (titanium post) The Tooth (crown, bridge or denture)
What it is The implant placed in your jawbone Everything visible above the gumline
Survival at 5 years 97.2% 96.3% for single crowns
Survival at 10 years 95.2% under single crowns; 93.1% under fixed bridges 89.4% for single crowns; 80.1% for fixed bridges
Most common problem Bone loss from gum infection around it Abutment or screw loosening, 8.8% within 5 years
Mechanical failure of the part itself 0.18% over 5 years Ceramic or veneer fracture, 3.5% over 5 years
Who services it Surgical, and uncommon Routine, planned, and expected
Honest description Built to stay Built to be maintained and eventually replaced

Figures from Jung and colleagues (2012) for single crowns and Pjetursson and colleagues (2012) for fixed bridges, both in Clinical Oral Implants Research.

Read that table again and the confusion in the market resolves itself. The sites saying “lasts forever” are describing the anchor. The sites saying “ten to fifteen years” are describing the tooth. Both are looking at real data. Neither is telling you there are two answers.

How Long Do Dental Implants Last?

Quick answer: The longest pooled research we have follows implants to 20 years, and it lands somewhere between 78% and 93% survival depending on how honestly the study handles patients who dropped out. Nothing in the literature goes further than that, because the studies don’t exist yet. Anyone quoting a longer figure is quoting a hope.

The ten-year number is the one most often repeated, and it deserves a closer look. A 2019 review in the Journal of Dentistry by Mark Howe, William Keys and Derek Richards pooled 18 prospective studies and found 10-year survival of 96.4%. That’s the figure everybody quotes.

But Howe and his colleagues did something most reviews don’t. They reran the analysis accounting for the patients who disappeared from the studies before the end, on the reasonable assumption that people whose implants fail are less likely to come back for follow-up. Corrected that way, 10-year survival fell to 93.2%. More telling than the point estimate is the prediction interval they calculated, which is the plausible range for a new group of patients rather than for the studies already done: it runs from 76.6% to 100%. In patients aged 65 and over the estimate fell to 91.5%, and their own conclusion described “a possible doubling of the risk of implant loss in the older age groups.”

At 20 years, two reviews give you the range. A 2024 meta-analysis in Clinical Oral Investigations led by Johannes Kupka reported 92% survival in the cleanest prospective data, but the authors rated their own evidence quality as very low, noted loss-to-follow-up of 44% to 48%, and pointed out that the original study authors “unanimously state that the reported data likely overestimate the survival rate.” Adjusting for the missing patients dropped their estimate to 78%, though the same authors call that adjustment deliberately conservative and say it probably undershoots. The real figure sits between the two, and neither end of it is precise. A systematic review published online in May 2026 in the International Journal of Oral and Maxillofacial Surgery by Lupi and colleagues, still in press as we write this and rated at moderate certainty, put 20-year survival at 93.0%, with a similar share of the original group unaccounted for.

So the honest answer is a range, not a number: roughly eight or nine out of ten implants are still in place at 20 years, and the research cannot currently tell you more than that.

Worth noting who doesn’t use the big words. The American Academy of Implant Dentistry, an implant advocacy body with every reason to be enthusiastic, says on its own patient FAQ that “well-placed and cared for dental implants have the potential to last for decades.” Three hedges in one sentence, and the unit is decades. The American Dental Association’s patient page calls implants “an excellent long-term option for restoring your smile” and gives no longevity figure at all.

When the professional bodies are more careful with their language than the clinic websites, that tells you something.

Why Does Every Website Give a Different Number?

Quick answer: Because they’re measuring different things and not saying which. Survival means the implant is still in your mouth. Success means it’s still in your mouth and working without complications. Those two numbers are much further apart than most patients realize.

Here’s the statistic that reframes the whole category. In the Pjetursson review of implant-supported fixed bridges, which looked at multi-tooth work rather than single crowns and so reports slightly different survival, implant survival at five years was 95.6%. Over the same period, only 66.4% of patients were free of any complication.

Roughly one patient in three had something go wrong within five years while the survival statistic stayed above 95%. Both numbers are accurate. Only one of them describes the experience of being a patient.

There’s a second problem with the published figures that almost never surfaces in consumer content. A 2014 analysis by Pjetursson and colleagues in the International Journal of Oral & Maxillofacial Implants, which compared older and newer studies to see whether outcomes had improved, added a plain warning: the results are “mainly based on studies conducted in an institutional environment, such as university or specialized implant clinics” and “cannot be generalized to dental services provided in private practice.”

The good news in that same paper is real. Screw loosening on single crowns fell from 24.4% to 5.6% between older and newer studies. Techniques improved. But the same authors found that among newer studies, full-arch fixed prostheses carried a 53.2% technical complication rate at five years. More than half.

What Actually Decides How Long Your Implant Lasts?

Quick answer: Three things carry the strongest evidence, and two of them are within your control: gum disease history, smoking, and whether you keep up regular maintenance visits. Grinding is a fourth worth taking seriously, though the evidence behind it is thinner. None of these is a disqualifier. All of them move the odds.

Your Gum Disease History

This is the largest patient-level effect in the literature. A 2024 meta-analysis in Clinical Implant Dentistry and Related Research led by Matteo Serroni pooled 12 prospective studies covering 1,464 patients. Patients with a history of periodontitis had a relative risk of implant failure of 1.74, rising to 2.61 at the ten-year mark. For peri-implantitis, the gum-and-bone infection that forms around an implant, the relative risk was 4.09 overall and 8.58 at ten years.

A second 2024 meta-analysis, in Dentistry Journal led by Léa Marty, found an odds ratio of 4.80 for peri-implantitis in periodontitis patients. That’s a different measure from Serroni’s relative risk, so the two aren’t strictly interchangeable, but they point the same direction at a similar magnitude. Two independent teams, similar answer.

Serroni’s team rates the certainty of its own evidence as low for implant failure and very low for peri-implantitis, and says plainly that the peri-implantitis finding is “highly probable, but not conclusive.” Marty’s team reports an overall low risk of bias across its studies but notes their definitions of peri-implantitis varied. We’d rather tell you that than round it off.

Smoking

The best-evidenced modifiable risk factor by a distance. A 2022 meta-analysis in Medicina by Abir Dunia Mustapha, Zainab Salame and Bruno Chrcanovic pooled 292 publications covering more than 150,000 implants. Implants placed in smokers failed at an odds ratio of 2.40 compared with non-smokers. The authors phrase it as a 140% higher risk. Statistical heterogeneity was low, which for a meta-analysis this size is unusual, and the effect did not fade with longer follow-up.

Two honest notes. Most of the included studies were retrospective. And the authors couldn’t separate smoking from the things that tend to travel with it, including gum disease, grinding and how the implant was placed. What makes this finding convincing is the size and the consistency of the effect, not the design of the studies underneath it.

One precision point, because it gets muddled everywhere. Smoking clearly raises the risk of implant failure. But the 2017 World Workshop consensus report, published in 2018 under lead author Tord Berglundh, states that “data identifying smoking and diabetes as potential risk indicators for peri-implantitis are inconclusive.” Different outcomes, different evidence. We won’t tell you smoking gives you peri-implantitis, because the consensus body says that isn’t settled.

Whether You Come Back

That same World Workshop consensus names only three strong-evidence risk factors for peri-implantitis: a history of severe periodontitis, poor plaque control, and “no regular maintenance care after implant therapy.”

That third one is a choice, and it’s the one patients most often skip once the new teeth feel fine.

A 2016 meta-analysis in the Journal of Dental Research led by Alberto Monje concluded that, while the interval has to be tailored to each patient’s risk profile, there was “reason to claim a minimum recall interval of 5 to 6 months” for implant patients. A 2012 five-year follow-up study led by Fernando Oliveira Costa, published in the Journal of Clinical Periodontology, compared patients who kept up preventive maintenance against those who didn’t: peri-implantitis developed in 18.0% of the maintained group and 43.9% of the unmaintained group. Every patient in that study already had early gum inflammation at baseline, so those are high-risk numbers rather than general-population ones, but the direction is unmistakable.

Be careful with how this gets sold, though. Monje’s own data found only a small effect of maintenance on implant survival specifically. The strong effect is on preventing disease around the implant, which is a different and earlier problem. And his team noted that “even in the establishment of maintenance therapy, biologic complications might occur.”

Grinding

A 2023 systematic review in the Journal of Oral Rehabilitation led by Birgitta Häggman-Henrikson found an odds ratio of 2.19 for implant failure in probable bruxers. Worth knowing, with two honest caveats: every study relied on “probable” bruxism from self-report and clinical exam rather than sleep testing, and the review could not pool any data at all on whether grinding damages the restoration on top, because the studies didn’t separate it out. A nightguard is cheap insurance regardless.

What About Diabetes?

Less alarming than the internet suggests. A systematic review in the International Journal of Implant Dentistry by Hendrik Naujokat, Burkhard Kunzendorf and Jörg Wiltfang concluded that “when diabetes is under well control, implant procedures are safe and predictable with a complication rate similar to that of healthy patients.” Poorly controlled diabetes is a different situation and does impair healing. Notably, the authors could not perform a meta-analysis at all because the underlying data was too inconsistent, so anyone quoting you a precise risk multiplier for diabetes is quoting something the evidence doesn’t support.

This is candidacy territory, and it’s exactly the kind of case our Never, Not Yet, or Not Like That sort was built for. Never is a nearly empty category. Not yet always comes with a date. Not like that means the plan changes, not the answer. Our guide to dental implant candidacy walks through it properly.

What Will Need Servicing, and When?

Quick answer: Expect the screw to need tightening at some point, expect the crown or bridge to be replaced once or twice over a few decades, and expect to be seen every five to six months for the life of the implant. None of that means anything has gone wrong. It’s the maintenance schedule the research describes.

From the Jung review, the five-year cumulative rates for single implant crowns run like this. Abutment or screw loosening is the most common event by a wide margin at 8.8%. Loss of retention, meaning the crown comes off, sits at 4.1%. Ceramic or veneer fracture at 3.5%. Fracture of the abutment or screw itself at 0.4%. Fracture of the implant post, as mentioned, at 0.18%.

Notice the shape of that list. The problems cluster at the top of the assembly and get rarer as you go down. The screw is the weak link by design, which is sensible engineering: you’d rather a screw loosen than bone break.

For removable implant overdentures, the clips and attachments that hold the denture onto the implants wear with use and need periodic replacement. We should be straight with you about the evidence here: a 2023 systematic review in the Journal of Oral Biology and Craniofacial Research found that locator-style attachments generally required less servicing than ball attachments, but it did not report a servicing rate in replacements per year, and we could find no reliable published figure. If you see a specific interval quoted somewhere, it isn’t coming from the research. What we can tell you is that relines and repairs are routine work we handle in our own labs, and that adjustments are free for the life of your teeth here.

There’s also the biological side. Across recent systematic reviews, peri-implantitis affects somewhere between one in five and one in four implant patients: 19.5% in a 2022 review in BMC Oral Health led by Pedro Diaz, 21% in a 2025 AO/AAP review in the Journal of Periodontology led by Maria Elisa Galarraga-Vinueza, and 25% in a 2025 review in the Journal of Dentistry led by Isabella Neme Ribeiro dos Reis. The earlier, reversible stage, peri-implant mucositis, is far more common: 46% to 63% of patients depending on which definitions the studies used. That spread isn’t noise. It reflects how differently researchers define the disease and which patients they recruit, and the review applying the strictest modern criteria also rated half of its own included studies at high risk of bias.

The Berglundh consensus adds the detail that matters most: untreated peri-implantitis “seems to progress in a non-linear and accelerating pattern,” and appears to move faster than gum disease around natural teeth. This is the argument for the five-to-six-month recall in one sentence. Caught early it’s manageable. Caught late it isn’t.

Does a Permanent Implant Have to Be Fixed in Place?

Quick answer: No, and in Oregon this distinction is written into state law. Implants can carry a fixed bridge you never remove, or a removable overdenture that snaps onto the implants and comes out for cleaning. Both are implant-supported. They suit different mouths, different finances and different hands.

Oregon is one of a small number of states that licenses denturists as independent practitioners, including Arizona, Idaho, Maine, Montana and Washington. Oregon voters created the profession by ballot initiative in 1978, passing it with 78% of the vote.

Under ORS 680.500, an Oregon denturist’s practice covers “full or partial upper or lower dentures or other removable nonorthodontic dental appliances.” The Oregon Board of Denture Technology’s own required curriculum devotes a full section to removable implant-retained and implant-supported overdentures, covering ball-retained and bar-retained designs and their maintenance.

Fixed bridgework, crowns and the surgical placement of implants fall under ORS 679, which governs dentistry. Different license, different training.

So the line Oregon law draws is exactly the line this post has been drawing all along: removable on one side, fixed on the other. That’s what permanent means here in the most literal possible sense, and it’s why we keep both licensed denturists and dentists on staff. A practice that only offers fixed work has a reason to steer you toward fixed work.

If the removable route interests you, our guide to implant-supported dentures covers how the snap-on systems work. If you’re weighing fixed against removable for a full arch, full-mouth implant options is the place to start.

What Do Oregon Dental Plans Say About How Long an Implant Lasts?

Quick answer: Something remarkably clear, and it agrees with the research. Oregon’s own public employee plan covers implant placement once per lifetime per tooth space, and covers the crown on top of that implant once every seven years. The insurer has written The Anchor and the Tooth into the benefit schedule.

That’s from the 2026 Oregon PEBB Dental PPO handbook. Implant placement is “limited to once per lifetime per tooth space.” The crown or abutment over an implant is “limited to once per tooth or tooth space in any 7-year period.” The annual maximum is $1,750. The 2026 PERS Delta Dental plan carries the same structure, plus a 12-month waiting period before major services begin.

Read those two limits side by side. The plan expects the post to be a one-time event and the tooth on top to come round again roughly every seven years. Insurers are not sentimental about this. They price what actually happens.

The picture changes sharply depending on your plan, and Oregon has real spread:

  • Oregon PEBB and PERS plans (2026) cover implants at 50%, with the limits above. PEBB’s handbook also explicitly names licensed denturists as covered providers, which many plans don’t.
  • The Oregon Health Plan does not cover implants for adults. Under OAR 410-123-1260, implant services sit in the exclusions, with a narrow exception for advanced peri-implantitis with bone loss and mobility, abscess or implant fracture. OHP does cover replacement complete dentures once every ten years and partials once every five.
  • Some Oregon plans exclude implants entirely. The 2026 Delta Dental plan used for Oregon’s CAREAssist program lists implants among its exclusions while covering dentures and bridges once in seven years.

If you’re trying to work out where you stand, our payment options page covers financing through CareCredit, Sunbit and Proceed Finance, and the first visit is free, which includes talking all of this through before you commit to anything.

Frequently Asked Questions About Permanent Dental Implants

Will I ever need my implant replaced?

The post itself, probably not. Mechanical failure of the titanium fixture is rare, at 0.18% over five years in the Jung review. The crown, bridge or denture on top is a different story and should be expected to need replacement over a span of decades, which is what Oregon’s PEBB plan is describing with its seven-year crown limit.

What failure rate do the long-term studies report?

The largest single dataset comes from a retrospective cohort led by Bruno Chrcanovic, published in the Journal of Dental Research in 2016, tracking 10,096 implants in 2,670 patients over 34 years at one specialist clinic. Total failures came to 6.36% of all implants. A further 1.74% of all implants, 176 of them, were lost early, before the abutment was connected. That works out to roughly a quarter of all failures happening in the first few months, with the rest accumulating later. Smoking was one of only two significant predictors of early failure in their model.

Treat that as one clinic’s record rather than a universal rate. The implant systems in use changed enormously across those 34 years, and specialist-clinic results don’t automatically transfer to general practice.

Do permanent implants hurt to place?

Most patients tell us the placement itself was easier than the extraction that came before it. You’ll be numb for the procedure, and we’ll go through what to expect for the days afterward before you book anything. Our implant recovery timeline sets out The Three Clocks of Implant Healing: days for the surgical site to settle, two to eight weeks for the gum seal to form, and two to six months for the bone bond. If you need a graft first, that adds its own clock, and we’ll tell you so upfront rather than after.

Can implants get gum disease?

They don’t decay, which is a genuine advantage over natural teeth. But the gum and bone around them can absolutely become infected. Roughly one in five implant patients develops peri-implantitis, and around half develop the milder, reversible inflammation that precedes it. This is why the maintenance visits matter more for implants than most people expect.

Are zirconia implants as durable as titanium?

The evidence doesn’t support that claim yet, and be wary of anyone who makes it confidently in either direction. The entire comparative base is around four randomized trials and roughly 250 implants, with mean follow-up under two years. A 2023 review in Clinical Oral Investigations led by Ninad Padhye found no significant survival difference at 12 months but described the level of evidence as poor and noted that three one-piece zirconia implants fractured within a year. A second 2023 review, in PeerJ, also found no significant survival difference, but did find zirconia worse on success, the stricter measure that counts complications rather than just presence, at moderate certainty. There is no long-term zirconia data comparable to the 10- and 20-year titanium record.

Should I choose a fixed bridge or a removable overdenture?

It depends on how many implants your bone can support, how much you want to spend, and how well your hands work. Fixed feels more like natural teeth and needs no nightly routine. Removable is usually less expensive, easier to clean thoroughly, and simpler to service. Neither is the upgrade version of the other. We’ll show you both.

I’m replacing a single tooth. Is an implant automatically the right call?

Not automatically. That decision turns on the two teeth beside the gap, which is what The Neighbor Test asks: are they intact, are they alive, are they steady, and are they already on the list for work anyway? If both neighbors are intact, alive and steady, the burden of proof sits with the bridge. Our single tooth implant versus bridge comparison works through it.

My remaining tooth is in bad shape. Should I save it or replace it?

Run it through The Foundation Test: is there enough tooth left to rebuild, can the bone still hold it, does it do a real job in your mouth, and does the math work over ten years rather than ten weeks? A tooth that passes is usually worth keeping. Our page on tooth extractions explains what happens when it doesn’t.

How often do I need to be seen once I have implants?

Plan on every five to six months, which is the minimum interval Monje’s 2016 meta-analysis supports, and follow whatever schedule your provider sets based on your gum history. Adjustments are free for the life of your teeth here, so the visit itself isn’t the obstacle.

Your Path to a Natural Smile Starts Here

Permanent dental implants are fixed teeth, and the titanium anchor holding them is about as close to a one-time event as dentistry gets. What sits on top is a serviceable part, and knowing that going in is the difference between a patient who feels well cared for at year twelve and one who feels sold to.

We’d rather you heard the real version from us now than found it out later. Come in and we’ll look at your mouth, tell you what’s actually possible, and give you the range rather than the headline. The first visit is free, and second opinions are free too.

Find us in Eugene, Salem, Corvallis and Roseburg, or call 866-551-3509. You can also request an appointment online.

Give us 30 minutes, and we’ll have you smiling again.

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