When a tooth is lost, there are three established ways to replace it and one option that is often overlooked: leaving the gap. Each has a genuine case, and the right choice depends on where the tooth was, the condition of the teeth either side, how much bone remains and what you want to commit in time and cost.
Why replacing a tooth matters
A gap is not static. Teeth either side tend to drift and tip into the space, and the opposing tooth can over-erupt because nothing meets it. Over months and years this changes the bite, opens new food traps, and can make later replacement more complicated and more expensive. Bone in the area also resorbs once the tooth root is gone, which matters most if an implant might be considered later.
None of this is an argument for rushing. It is an argument for making the decision deliberately rather than by default.
Dental implant
A titanium post placed in the jaw, topped with a crown. It replaces the root as well as the visible tooth.
In its favour: it stands alone, so the neighbouring teeth are left untouched. It transmits load into the bone, which helps maintain bone volume. It is cleaned like a natural tooth. It is generally the longest-serving option.
Against: it is the longest process, commonly four to twelve months depending on whether grafting is needed. It involves surgery. It requires sufficient bone, healthy gums and reasonable general health. It is the highest upfront cost. Smoking materially increases failure risk.
The full sequence is set out in the dental implant timeline.
Bridge
The teeth either side of the gap are prepared as crowns, and a false tooth is joined between them as a single fixed unit.
In its favour: much faster, typically two to three appointments over a few weeks. It is fixed in place. It does not require surgery or a particular amount of bone.
Against: the supporting teeth are irreversibly reduced to hold it, which is a real cost if those teeth are sound and unrestored. Cleaning requires threading floss or using a specific brush under the false tooth, every day. If one supporting tooth fails, the whole bridge usually has to be replaced. Bone under the gap continues to resorb.
A bridge makes most sense when the neighbouring teeth already carry large restorations or crowns, because little additional tooth structure is sacrificed. More on our dental bridge page.
Denture
A removable appliance, either a partial denture replacing one or several teeth, or a full denture replacing an arch.
In its favour: the lowest upfront cost, the quickest to make, no surgery, no alteration of the adjacent teeth, and easily modified if more teeth are lost later. It is also a sensible interim measure while a longer-term plan is staged.
Against: it is removable, which many people dislike. It is less stable than fixed options, particularly on the lower arch. Clasps may be visible. It has to be taken out for cleaning, and it takes time to adapt to. Bone continues to resorb, so dentures need relining or remaking periodically as the ridge changes shape.
Leaving the gap
For a missing back molar with no opposing tooth, where the bite is stable and the neighbouring teeth are not drifting, monitoring the gap is a legitimate clinical decision. It should be a decision made with the dentist and reviewed, not a matter of avoidance.
A whole arch
Where most or all teeth in an arch are missing or failing, all-teeth-on-implants treatment uses four to six implants to support a full fixed arch. It sits between conventional implants and full dentures in stability and cost, and typically restores function much faster than replacing teeth individually. Starting from $24,990 per arch at our practice. See our all-on-4 page.
Comparing the costs
At Civic Gentle Dental Care, dental implants start from $5,500 including the CBCT scan, placement, abutment and the final porcelain crown. Full and partial dentures range from $800 to $2,800. Bridges are quoted per unit and depend on how many teeth are involved; porcelain crowns start from $1,800, which gives an indication of the per-unit cost. All-teeth-on-implants starts from $24,990 per arch.
Interest-free payment plans are available through external providers, subject to their assessment and approval, and early release of superannuation can apply for eligible patients and specific treatment types. Most health funds pay a rebate toward major dental under extras cover, generally with annual limits and waiting periods. Current fees are on our price list.
How the decision is usually made
A useful sequence of questions: Are the neighbouring teeth sound and unrestored? If yes, that weighs against a bridge. Is there enough bone, and is your general health and smoking status compatible with surgery? If not, an implant may not be viable. How quickly do you need the gap resolved? Is this a single tooth or the first of several likely losses? A plan for one tooth can be a poor plan for an arch heading toward failure.
Bring those questions to the consultation. The scan and examination answer most of them.
Common questions
Can I start with a denture and have an implant later?
Yes, and it is a common staged approach. Bear in mind that bone resorbs under a denture, so grafting may be needed when the implant is eventually placed.
Which option looks most natural?
A well-made implant crown or bridge is generally indistinguishable in normal conversation. Modern dentures can look very natural too, though clasps on a partial denture may be visible depending on position.
How long will each last?
Implants are the longest-serving option, bridges typically serve for many years before needing replacement, and dentures require periodic relining or remaking as the ridge changes. Individual outcomes depend on cleaning, gum health, grinding and regular professional care.
Is the treatment covered by my health fund?
Most extras policies contribute toward major dental, with limits and waiting periods that vary by fund and level of cover. We can provide item numbers so you can get a quote from your fund before committing.
Booking an appointment in Canberra City
Civic Gentle Dental Care is a Canberra City dentist at Suite 8, Level 3/161 London Circuit, a short walk from the Canberra Centre. To arrange an appointment, call (02) 6247 0224 or send us a message through our contact page.
This article is general information only and is not a substitute for individual dental advice. Whether a treatment is suitable for you, and what it will involve, can only be determined after an examination by a dentist. Any prices mentioned are estimates drawn from our current price guide and are not a quote.