There is no doubt that a replacement made out of zirconia on 6-8 implants is the best restoration of lost teeth, considering the aesthetic aspects and the comfort. This solution is very common, but it is not one of the budget-friendly solutions. The All-on-4 dental implant system is a revolutionary solution for individuals struggling with missing teeth, offering a fixed, full-arch restoration with just four strategically placed implants. 
In this article, we answer most of the questions you may have about how the All-on-4 procedure works. The article answers the following questions:
- What is the All-on-4 technique?
- What are the advantages of All-on-4 implants?
- What is the downside of All-on-4 dental implants?
- Do All-on-4 feel like real teeth?
- What is the success rate of All-on-4?
What is the All-on-4 technique?
The All-on-4 technique is a modern dental implant solution that replaces an entire arch of missing teeth using just four strategically placed implants. This technique provides a durable, stable and natural-looking alternative to traditional dentures, allowing patients to regain full chewing function and a confident smile.
How does All-on-4 work?
Unlike traditional implants, which require one implant per tooth and, in cases of severe dental bone loss, bone grafting, in the All-on-4 application, four titanium implants are placed in the jawbone: two in the front and two angled at 45 degrees in the back for maximum support. The implants are then fitted with a custom-made full-arch prosthesis (fixed bridge) that is securely attached to the implants. The patient can receive a temporary prosthesis on the same day as the surgery.
What are the advantages of All-on-4 implants?
In the beginning, the All-on-4 implants were subjected to a number of criticisms. The method has since evolved, and its benefits are undeniable:
- It can also be successful in seemingly hopeless cases
- Shorter healing period, and in most cases, the implants can be loaded immediately
- Long durability
- Affordable alternative to inconvenient removable dentures
- Teeth look more natural and feel better as a result of this method
- Almost immediate loading of the denture
What is the downside of All-on-4 dental implants?
While All-on-4 dental implants offer a durable and effective solution for full-arch dentures, there are some potential downsides to consider before deciding to have the procedure:
- Irreversible procedure: The All-on-4 technique requires the removal of your remaining natural teeth, even if they are still healthy. Once the implant is placed, the process cannot be reversed without additional surgery.
- Risk of implant failure: Although the success rate is high, implant failure can occur due to: Poor bone integration (osseointegration). Smoking, diabetes, or other medical conditions that affect healing. Poor oral hygiene leading to peri-implantitis (infection around the implant). Read about the possible problems with dental implants
- Potential bone loss over time: Since only four implants hold the entire arch, uneven pressure can be placed on the jawbone, leading to bone loss in the areas without implants. Traditional implants distribute pressure more evenly throughout the jaw.
- Not suitable for all patients: Some patients with severe bone loss may still need additional procedures, such as bone grafting. Those with uncontrolled diabetes, severe gum disease, or immune system disorders may not be good candidates.
- Adjusting to fixed dentures: Unlike natural teeth, All-on-4 feels different and may require an adjustment period. Some patients initially experience difficulty speaking or eating certain foods.
- Cost Considerations: While All-on-4 is more affordable than individual implants, it is still a significant investment, costing between €5,000 and €15,000 per arch, depending on the material and country.
Insurance coverage is often limited or unavailable. Check the all-on-4 dental implants cost abroad - Maintenance and Repair: While implants are durable, the prosthetic bridge can wear out over time and need to be replaced (usually every 10-15 years). Repairing chips, breaks, or wear may require additional costs and visits. More about dental implant repairs
Despite these drawbacks, All-on-4 remains one of the most effective full-mouth restoration options. Choosing a qualified and experienced dentist is key to minimizing risks and ensuring long-term success.
Do All-on-4 feel like real teeth?
Yes. All-on-4 dental implants allow you to bite and chew just like natural teeth. The only difference is that unlike natural teeth, which have nerves, all-on-4 denture teeth are not sensitive. Because implants are placed in the jawbone, the pressure distribution can be slightly different from natural teeth, so it takes time to get used to chewing and speaking, especially in the first few weeks.
Is it hard to talk with all 4 dental implants?
Initially, some patients experience slight difficulty speaking after getting All-on-4 dental implants, but most adapt quickly within a few days to a few weeks. Since the prosthetic teeth and bridge feel different from natural teeth, your tongue and lips may need time to adjust to their new positions when forming sounds.
What is the success rate of All-on-4?
The All-on-4 dental implant technique has a high success rate, making it one of the most reliable solutions for full-arch dentures. Studies show that the success rate of All-on-4 implants over the past 10 years is 94-98%.
How long do all-on-4 implants last?
The lifespan of an all-on-4 denture depends on various factors, including: 
- Oral hygiene: Regular brushing, the use of dental floss and mouthwashes, and regular professional dental cleanings are essential.
- Jaw bone health: The implants must be firmly anchored in the jaw bone. Adequate bone density and quality are therefore important for the longevity of the denture.
- General health: Systemic diseases such as diabetes or osteoporosis can affect the healing and maintenance of the implants.
- Habits: Smoking, teeth grinding, and the consumption of hard foods can shorten the lifespan of the denture.
- Materials and quality of the denture: High-quality materials and precise workmanship contribute to the longevity of the denture.
- In general, All-on-4 implants can last 20 years or more with good care and regular check-ups. Read more about how long dental implants last
What can affect the lifespan?
- Peri-implantitis: Inflammation of the tissue around the implants can lead to dental bone loss and loosening of the implants.
- Breakage or damage of the dentures: Dentures can be damaged by impact, chewing on hard objects or grinding teeth.
- Loosening of the implants: In rare cases, the implants can become loose or dislodged from the jawbone.
Regular dental check-ups are important to detect and treat problems early.
In summary, if well cared for, All-on-4 implants can be a long-lasting solution to tooth loss. Proper oral hygiene, regular check-ups, and a healthy lifestyle can maximize the lifespan of your All-on-4 dentures.
