By Dr. Gregg Barry | Published 30 April 2026
If you’ve lost a tooth — or you’re staring at one that’s not going to last much longer — there’s a good chance someone has told you to “just get a bridge.” Or “just get an implant.” As if the decision is obvious.
It isn’t. And the honest answer is that the right option depends on the gap, the teeth either side, your bone, your bite, and a few things you can’t see in the mirror. So rather than pretending one is always better, here’s how we actually think it through with patients at our practice in Grand Canal Dock — including the bits that don’t get said out loud often enough.
The short version: in most cases, an implant is the better long-term option. A bridge can be the right answer for specific situations — and we’ll go into those. But if you’re choosing purely on which one is going to serve you best for the longest, the evidence (and our day-to-day experience) points one way more often than not.
What’s the Actual Difference Between an Implant and a Bridge?
A dental implant replaces a missing tooth with a titanium root and a separate crown on top, while a bridge spans the gap by fixing a false tooth to the two healthy teeth either side — meaning those neighbouring teeth must be filed down to support it.
That distinction matters more than it sounds. An implant is a standalone tooth — it doesn’t depend on anything beside it. The titanium fixture integrates with your jawbone (a process called osseointegration) over about 8 to 16 weeks, and the crown sits on top once it’s healed. Three components: the implant, the abutment, the crown. One missing tooth replaced. Nothing else touched.
A bridge is different. To anchor a traditional bridge, we have to prepare the two teeth on either side of the gap — meaning we reduce them down (significantly) so crowns can be cemented onto them, with the false tooth (the “pontic”) suspended between. Three crowns fused together, sitting on two prepared teeth. It’s a clever solution. But it asks two healthy teeth to do the work of carrying a third.
That’s the trade-off in one sentence. An implant is independent. A bridge is interdependent.
How Long Does Each Option Last in Real Life?
Dental implants in Dublin and globally show survival rates exceeding 90% at 10 years, with roughly 4 out of 5 still functioning well after 20 years — while traditional bridges typically last around 10 to 15 years before needing replacement.
The research backs this up. A 2024 meta-analysis published in Clinical Oral Investigations looked at long-term implant outcomes across decades of studies and found 10-year survival exceeding 90%, with the authors summarising the 20-year picture as “approximately 4 out of 5 implants survive after 20 years.” That’s a long time to expect a tooth replacement to keep working.
Bridges don’t have the same staying power. The lifespan is generally quoted at 10 to 15 years, and the failure modes are usually one of two things: decay developing on the supporting teeth (it’s harder to clean around a bridge than around individual teeth), or the cement bond eventually giving up. When a bridge fails, you’re often dealing with more than just replacing the bridge — sometimes the supporting teeth are now compromised too.
So if longevity is the lens you’re looking through, implants win. Not by a small margin. By a clear one.
How Much Do Dental Implants and Bridges Cost in Dublin?
A single dental implant at Docklands Dental costs €3,000 to €3,500 (start to finish, including the crown), while a three-unit conventional bridge here is €2,685 (€895 per unit) — meaning the upfront price is broadly similar.
Patients are often surprised by this. The assumption is that implants are dramatically more expensive — and they can be in some practices — but for a single missing tooth, the all-in cost of an implant is genuinely close to a three-unit bridge once you add up the three crowns, the lab work, and the chairtime involved.
Where the cost picture really diverges is over time. A bridge replaced once or twice over twenty or thirty years adds up. An implant placed well, looked after well, often doesn’t need anything beyond a replacement crown after fifteen-plus years (and sometimes not even that). Per-decade-of-service, implants often work out cheaper. Not always. But often.
For the full breakdown of what’s included, see our dental implants cost guide and the single tooth implant process post, which walks through the stages.
What About the Teeth Either Side — Is a Bridge Worse for Them?
Preparing two healthy teeth to support a traditional bridge involves removing a significant amount of enamel and dentine from each — and once that’s done, those teeth are at higher long-term risk of decay, sensitivity, and eventual root canal treatment.
This is the bit that doesn’t get talked about enough. If the teeth either side of the gap are pristine — never had a filling, no decay, no cracks — then preparing them for a bridge is, clinically, a step backwards for those teeth. We’re trading the strength of healthy enamel for the convenience of a fixed solution.
An implant doesn’t ask anything of the neighbouring teeth. They stay exactly as they are. That alone is a meaningful argument in favour of implants when the adjacent teeth are healthy.
Now — flip it the other way. If the teeth either side already have large fillings, or are cracked, or are heading towards needing crowns anyway — then a bridge can actually make a lot of sense. You’re combining work that needed doing anyway. We talk more about how we weigh up whether to crown a damaged tooth in our crown vs veneer post, and the same logic applies here.
When Is a Bridge Actually the Better Choice?
A bridge can be the right call when bone volume is too low for an implant without grafting, when the adjacent teeth already need restorative work, when a patient cannot have surgery, or when the timeline simply needs to be shorter than the 3 to 6 months an implant requires.
Look, we don’t want to oversell implants. They’re not always the answer. Here are the situations where we actively recommend a bridge instead:
- Insufficient bone for an implant — and the patient doesn’t want bone grafting (which adds time, complexity, and cost).
- Medical reasons surgery isn’t ideal — uncontrolled diabetes, certain bisphosphonate medications, heavy smoking that won’t be quit, immune conditions.
- Adjacent teeth already heavily restored — if both neighbours are already crowned or need crowns, bridging them together is efficient and conservative.
- Time pressure — a bridge can typically be delivered in 2 to 4 weeks. An implant takes 3 to 6 months minimum to integrate before the crown goes on. Sometimes that timeline matters (a wedding, an important date).
- Patient preference after a full conversation — some patients simply don’t want surgery. That’s a legitimate choice.
This is where treatment sequencing and clinical judgement matter most. Knowing when to recommend a bridge over an implant is part of what we do — and it’s a question we genuinely think about case by case, not one we have a default answer to.
How Do We Decide Which Is Right for You?
The honest decision process at our Dublin practice involves a clinical exam, a CBCT scan to assess bone volume, a discussion about the health of the neighbouring teeth, and a realistic conversation about timeline, budget, and what you actually want.
We start with the scan. A cone beam CT (CBCT) shows us the bone in three dimensions — height, width, density — which is the single biggest factor in whether an implant is straightforward, requires grafting, or isn’t viable at all. If the bone is good, implants get a strong recommendation. If it isn’t, the conversation shifts.
Then we look at the teeth either side. Healthy enamel? Implant. Already compromised? A bridge starts to make sense.
Then your timeline and budget. And — this matters — what you actually want. Some patients hear “surgery” and tense up. Some hear “we’d need to drill down two healthy teeth” and tense up. Both reactions are reasonable. Our job is to give you the clinical picture honestly so you can decide with full information, not partial.
It’s worth saying: we’re not selling you anything. A consultation is a conversation. If a bridge is genuinely the better option for your situation, we’ll tell you. We have patients who’ve come in expecting to be talked into implants and left with a bridge plan. That happens.
Frequently Asked Questions
Can an old bridge be replaced with implants later?
Yes — and we do this regularly. When a bridge fails (cement gives up, decay underneath, or the supporting teeth need to come out), implants are often the next step. The complication is that the supporting teeth may now be unrestorable, which means the implant solution is bigger than it would have been originally. This is one of the arguments for choosing implants first when both options are clinically viable.
Are dental implants safe?
Yes. Titanium implants have been used routinely for over 50 years and are one of the most-studied procedures in dentistry. Survival rates above 90% at 10 years are typical. Risks exist (infection, nerve issues, implant failure to integrate) but are low when surgery is properly planned with a CBCT scan and placed by an experienced clinician — which is why we work closely with specialist oral surgeons at ISCD (the Institute of Specialist and Cosmetic Dentistry) for complex cases.
Will a bridge or implant look natural?
Both can look excellent. The aesthetic result depends more on the skill of the dentist and the lab than on the underlying option. That said, an implant has one advantage: it emerges from the gum like a natural tooth, with no false gum line to manage, which can give a slightly more natural look in the front of the mouth.
How long does the implant process take from start to finish?
Typically 3 to 6 months for a straightforward case. Implant placement takes about an hour, then the implant integrates with the bone over 8 to 16 weeks, and then the crown is fitted in 2 to 3 short appointments. A bridge by comparison is delivered in 2 to 4 weeks across two appointments.
Want to Talk It Through?
If you’re weighing up an implant against a bridge — or wondering what your actual options are — come in and we’ll go through it properly. We’ll do the scan, look at the teeth either side, and give you the honest picture of what each option means for you specifically.
No pressure, no hard sell. Just a proper conversation about what’s likely to serve you best for the longest.
You can read more about our approach on our dental implants service page, or about whether the investment is worth it from patients who’ve gone through it on our are dental implants worth it post.
Docklands Dental
1 Forbes Street, Grand Canal Dock, Dublin 2, D02 FN53
01 636 0192
hello@docklandsdental.ie
Implant or bridge? You can book an appointment online and we will arrange an implant assessment with one of our dentists.
