Implants, bridges or dentures: an honest comparison
Dr Pushkar SobtiAll-on-X implantologist, Delhi
When someone has lost a tooth, the question I am asked first is rarely "How does an implant work?" It is "What are my options, and which one should I choose?"
I place implants every day, so you might expect me to say an implant is always the answer. It isn't. Bridges and dentures have done good work for a very long time, and there are patients I recommend them to. This is roughly how I talk through the three options when someone sits across from me with a gap to fill.
The implant: a new root
An implant replaces the missing root with a small titanium post in the jawbone. Once it has fused with the bone, a crown is fixed on top. It stands on its own and doesn't rely on the teeth next to it.
Of the three, it is the closest thing to having your own tooth back. You bite and chew normally, you brush and floss it like your own teeth, and nothing comes out at night. Because it sits in the bone and loads it the way a root does, it helps preserve the bone around it, which, as I explained in the last post, is something neither a bridge nor a denture can do. The neighbouring teeth are left untouched.
It has drawbacks, though. It needs a minor surgical procedure and some healing time, usually a few months before the final tooth, although in many cases a temporary tooth can be fixed much sooner. It needs enough healthy bone, or a graft to build it. The upfront cost is the highest of the three. At our clinic a single implant starts from ₹35,000, including guided surgery, the implant, a custom abutment and a zirconia crown.
With good cleaning and regular check-ups, an implant can last for decades and often for life. The crown on top may need replacing after many years of wear.
The bridge: borrowing from the neighbours
A bridge fills the gap with a false tooth that is held by crowns on the teeth on either side. To fit those crowns, the neighbouring teeth have to be trimmed down.
A bridge is fixed in place, it looks natural, and it can usually be completed in a couple of weeks without surgery. If the teeth on either side already need crowns because they are heavily filled or broken, a bridge can make good sense, since they would be prepared anyway.
The problem is the cost to the neighbours. If they are healthy, a bridge means cutting into good tooth structure that would otherwise never need treatment. Those teeth now carry the load of three. Cleaning under a bridge takes extra effort, and if decay or gum disease starts at one of the supporting teeth, the whole bridge can be lost. The bone under the false tooth keeps shrinking, because nothing is loading it.
A bridge commonly lasts around 10 to 15 years, and how long depends mostly on the teeth holding it up.
The denture: removable teeth
A denture is a set of artificial teeth on a base that rests on the gums. A partial denture replaces some teeth and clips onto the remaining ones. A complete denture replaces a whole arch.
A denture is the quickest and least expensive way to replace many teeth at once, with no surgery. It can be a good option for someone who cannot have surgery for medical reasons, or as a temporary solution while implants heal.
The trouble is that dentures move. Many people find chewing harder foods difficult, and some struggle with speech or taste, especially with an upper denture that covers the palate. A denture also presses on the gum and the bone beneath it, so the bone shrinks faster and the fit loosens over time. That is why dentures need relining and remaking every few years. Many denture wearers tell me the worst part is the worry that the teeth will slip while they are eating or talking.
Most dentures need remaking after 5 to 8 years, with relines in between as the gums change.
Comparing them side by side
| Implant | Bridge | Denture | |
|---|---|---|---|
| Chewing | Closest to a natural tooth | Good | Weakest, especially with hard food |
| Teeth next to the gap | Left alone | Trimmed for crowns | A partial denture puts extra strain on the teeth it clips to |
| Bone | Helps keep it | Keeps shrinking | Can shrink faster |
| Time | A few months | About two weeks | A few weeks |
| Cost | Highest at the start | Lower at the start, often redone later | Lowest at the start, remade every few years |
So which one is right for you?
When I help a patient decide, I look at four things: the health of the teeth next to the gap, how much bone there is, the patient's general health, and what matters most to them, whether that is cost now, time, or how the teeth will feel in ten years.
For a single missing tooth with healthy neighbours, I almost always recommend an implant, because it fills the gap without touching the healthy teeth beside it. When the neighbouring teeth already need crowns, a bridge can be a sensible choice. And for someone who has lost all their teeth, the conversation is often no longer "implant or denture" but "how many implants": as few as two implants can hold a denture firmly in place, and four to six can support a fixed full arch, like All-on-4, that never comes out.
If you are weighing up your options, send me your X-ray on WhatsApp and I'll tell you what I would do if it were my own mouth.
Questions
Which lasts longer, an implant or a bridge?
With good care and regular check-ups, an implant can last for decades and often a lifetime, although the crown on top may need replacing after many years. A bridge commonly lasts around 10 to 15 years, and its life depends on the health of the teeth that support it.
Is a bridge cheaper than an implant?
At first, often yes. Over a lifetime the gap narrows, because a bridge or denture usually needs to be redone, relined or replaced, and a failed supporting tooth can turn one missing tooth into a larger problem.
Can I get an implant if I already wear a denture?
Usually yes. A CBCT scan shows how much bone is left. Options range from two implants that hold a removable denture firmly in place to a fixed full arch such as All-on-4.
Next · Wed 28 Oct
Who can get an implant? Age, diabetes, smoking, gum disease and medications: what really matters.