Around half of Australians over 65 wear dentures. For many, they are the first solution offered when teeth fail – and for decades, they were the only affordable option. But dentures come with trade-offs that compound over time: bone loss, dietary restrictions, adhesive dependency, declining fit and the social anxiety of teeth that might slip at the wrong moment.
If you are weighing up your options after being told you need dentures – or you are already wearing them and want something better – the All-on-4® dental implants offers a fixed, long-term alternative that can restore the function, appearance and confidence that dentures cannot fully replicate.
This is not a marginal improvement. It is a fundamentally different approach to replacing missing teeth.
Dentures serve a genuine purpose. When teeth are lost to gum disease, decay, injury or age, dentures restore the appearance of a full smile, provide a chewing surface for food and support facial muscles that would otherwise sag without teeth behind them.
Modern dentures are custom-fitted, available as full or partial sets and made from acrylic, nylon or metal frameworks. They are more comfortable and natural-looking than they were a generation ago. And they remain the most affordable tooth replacement option, with a full set of conventional dentures typically costing $2,000 to $4,000 in Australia.
But dentures are a prosthetic that sits on top of the gum. They are not anchored to the jawbone, and that distinction creates a set of limitations that no amount of adhesive or relining can fully resolve.
If you wear dentures, some of these will be familiar.
The All-on-4® treatment concept takes a fundamentally different approach. Instead of sitting on the gum surface, a full arch of fixed teeth is anchored to four titanium implants placed directly into the jawbone.
Two implants are positioned vertically at the front of the jaw, where bone density is naturally highest. Two are placed at an angle toward the back, maximising contact with available bone. This angled placement is the key innovation – it can allow a full arch of teeth to be supported without bone grafting, even in many patients who have experienced significant bone loss.
The implants gradually fuse with the jawbone through a natural healing process called osseointegration (where the bone grows around and bonds with the titanium), creating a stable, long-term anchor. A custom bridge of teeth is then fixed to the implants. Unlike dentures, this bridge does not move, does not require adhesive and does not cover the palate.
The technique was developed by Professor Paulo Malo in collaboration with Nobel Biocare and is documented in peer-reviewed research spanning nearly 30 years.
| Conventional Dentures | All-on-4® Treatment Concept |
Biting force | Approximately 20-25% of natural biting force | Can restore up to 85-95% of natural biting force |
Bone preservation | No – bone loss continues and accelerates | Yes – implants can stimulate and help maintain bone |
Palate coverage | Upper dentures cover the palate | No palate plate – full taste and sensation |
Stability | Can shift during eating and speaking | Fixed in place – no movement |
Adhesive required | Usually, especially lower dentures | No |
Diet restrictions | Avoid hard, sticky and chewy foods | Eat normally once healed – typically no restrictions |
Lifespan | 5-8 years before replacement | Implant fixtures may last 20+ years with proper care |
Maintenance | Daily removal, soaking, adhesive application | Brush and floss as with natural teeth |
Typical cost (per arch) | $2,000-$4,000 per set | $20,000-$36,000 |
20-year estimated cost | $10,000-$20,000 (replacements + relines) | $22,000-$38,000 (including follow-up care) |
Same-day teeth | Immediate dentures available but temporary | Provisional teeth can be fixed on the day of treatment |
The All-on-4® treatment process typically follows a structured timeline.
The All-on-4® treatment concept is designed for patients who are missing most or all of their teeth in one or both arches, or whose remaining teeth are failing and may need to be extracted. It can also be suitable for patients who currently wear dentures and want a fixed, long-term alternative.
The angled implant placement means that many patients who have been told they do not have enough bone for traditional implants may still be candidates for All-on-4® treatment. However, certain medical conditions, medications and lifestyle factors can affect healing and implant integration. A clinical assessment – including a CT scan and medical history review – is the most reliable way to determine suitability.
For patients who want implant support but are not ready for a fully fixed solution, implant-retained overdentures offer a middle ground. These use two to four implants to stabilise a removable denture, improving retention and reducing adhesive dependency without the full commitment of a fixed bridge.
The All-on-4® treatment concept is a larger upfront investment than dentures. Treatment in Australia typically ranges from $20,000 to $36,000 per arch, depending on the implant system, prosthetic material and case complexity.
But the cost equation can shift over time. Dentures are a recurring expense – relines, replacements and adhesives add up across decades. All-on-4® treatment, once placed, typically requires only routine check-ups and occasional professional maintenance. Over a 20-year horizon, the total cost difference between the two options may be smaller than the initial price gap suggests.
Payment plans, using super for dental early release (where eligible) and private health insurance rebates can also help manage the upfront cost. Your clinician can provide a detailed treatment plan with itemised costs to help you understand exactly what is included.
Take the first step toward a confident, fixed smile.
In many cases, yes. Long-term denture wearers are common All-on-4® candidates. Even if bone loss has occurred over years of denture use, the angled implant placement technique is specifically designed to work with reduced bone volume. A CT scan will help confirm whether you have sufficient bone for the treatment.
With proper care, the titanium implant fixtures can potentially last many decades. The prosthetic bridge typically lasts 15 to 20 years or more, depending on the material (zirconia bridges tend to outlast acrylic). Some patients may need a bridge replacement after 15 to 20 years, but the implants themselves can remain in place.
All-on-4® treatment is performed under IV sedation or general anaesthesia, so you should not feel pain during the treatment itself. Post-operative discomfort is managed with prescribed pain medication and is typically described by patients as less uncomfortable than expected. Most patients can return to light daily activities within two to three days.
Once the healing period is complete and your final bridge is in place, there are typically no dietary restrictions. Patients regularly eat steak, apples, corn on the cob, nuts and other foods that denture wearers avoid. During the initial healing phase (first three to six months), a softer diet is recommended to protect the integrating implants.
Published research reports All-on-4® success rates of 95 to 98% over ten years. Next Smile Australia, the only Australian provider personally endorsed by Professor Paulo Malo (the inventor of the All-on-4® treatment concept), maintains a 98% clinical success rate across its network of Nobel Biocare Centres of Excellence, using the original Malo Protocol.
Traditional dental implants replace teeth one at a time, with each implant supporting a single crown. Replacing a full mouth dental implants this way could require 12 to 14 implants and often needs bone grafting. The All-on-4® treatment concept can achieve the same result – a full arch of fixed teeth – using only four strategically angled implants, typically without bone grafting. This can reduce treatment time, recovery and cost.
Reference
With 7 Super Clinics across Australia and a network of accredited regional partners, reliable dental implant care is always within reach. From your first consultation to lifelong aftercare, our coordinated network delivers complete implant solutions – all under one roof.