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All-on-4 oral rehabilitation with a new implantation technology

All-on-4 oral rehabilitation with a new implantation technology

All-on-4 oral rehabilitation, permanent denture in three weeks


Introduction – What is an All-on-4? – How does All-on-4 oral rehabilitation occur? – What should you do after All-on-4 mouth rehabilitation? – Getting used to it – Advantages of All-on-4 mouth rehabilitation – Disadvantages of All-on-4 mouth rehabilitation – Durability and care of All-on-4 dentures – Summary

There are several options for replacing missing teeth. There are two significantly different solutions: one is the traditional method, and the other is dental implant replacement. Within the latter, there are additional solutions. One is the one-phase implant; the other is the two-phase implant-based dental replacement. In addition, there are All-on-4 and All-on-6 technologies. These two latter solutions are used exclusively for complete denture replacement. In this article, we will talk about the All-on-4 oral rehabilitation dental replacement.

What is an All-on-4?
The All-on-4 oral rehabilitation tooth replacement is an innovative solution that provides a stable and long-lasting result in case of complete tooth loss. In this article, we will review what All-on-4 technology is, its advantages, and how such a procedure takes place. The essence of the All-on-4 procedure is that the circular screw bridge spanning the entire dental arch is placed on four dental implants per arch. They specially insert the implants so the edge implants are usually placed at an angle in the jawbone. This technology provides excellent stability and enables a complete denture-fixing solution.

An All-on-4 oral rehabilitation is a dental implant technique used to replace an entire upper or lower arch of teeth with just four implants. These four implants act as a support system for a new set of fixed teeth. Unlike one-phase implants that are implantable into the jawbone, All-on-4 implants are fixed into the jawbone only. They provide a stable and secure foundation for the replacement teeth.

Dr. Paulo Malo, a Portuguese implantologist, developed this great dental replacement option. The first successful intervention took place in Lisbon in 1998. Nobel Biocare, one of the world’s largest dental implant manufacturing companies, later joined the research and development. The All-on-4 technique is perfectly suitable for replacing a completely missing tooth in case of adequate bone structure.

How does All-on-4 oral rehabilitation occur?
All-on-4 mouth rehabilitation is an effective and innovative solution for those who are missing many or all teeth and have sufficient bone quality and quantity. They insert four implants in the jawbone during the procedure, to which a stable and durable dental prosthesis is attached.

The course of treatment consists of the following steps:
1. Consultation and planning
The first step during the All-on-4 oral rehabilitation dental restoration is the consultation and planning. We conduct a thorough oral cavity examination covering all details in this phase. With the help of X-rays and CT scans, we determine whether the All-on-4 dental replacement solution is possible for the patient. If so, the implantologist will explain the procedure in detail.

2. Insertion of the implants
The second step is implant placement. It is a surgical intervention that we perform with local anesthesia, but according to the patient’s wishes, it is also possible under anesthesia. The All-on-4 oral rehabilitation price shown on our website does not include the cost of anesthesia. We place the implants using a unique technique to achieve the best possible stability and integration in the jawbone. In the case of All-on-4 mouth rehabilitation, we are placing four implants, but if the quality of the bones is not adequate, you may choose All-on-6 tooth replacement instead.

3. Suture removal, inspection, and sampling for the final set of teeth
We remove sutures within a week of the implantation, and if everything is in order with the implanted implants, we take a sample for the final set of teeth.

4. Preparation and gluing of the permanent denture
After approximately two weeks, the final denture(s) will be ready. If the primary healing time is problem-free and everything is OK with the implanted implants, we attach the permanent set of teeth with a unique adhesive, which is fixed and not removable by the patient. Note here that removable dentures are also possible. The final set of teeth is similar to natural teeth in every way; the patient regains the ability to bite and chew, their aesthetic appearance, and their self-confidence.

All-on-4 oral rehabilitation takes approximately 21 days, which means 2-3 appearances.

What should you do after All-on-4 mouth rehabilitation?
After completing All-on-4 oral rehabilitation, we recommend following some specific recommendations to ensure the durability and efficient functioning of the dentures. Below is a list of tasks you should pay attention to after the treatment.

1. Medication use. After completing All-on-4 oral rehabilitation, the gums may be slightly swollen and tender, so we may prescribe an anti-inflammatory and pain reliever to help ease the discomfort.

2. Oral hygiene. You must follow oral hygiene recommendations for All-on-4 mouth rehabilitation to be complaint-free in the long term. Regular and effective cleaning is essential, which includes using the correct toothbrush, dental floss, and mouthwash.

3. Control tests. It is also essential to have the condition of our dentures and gums checked at least every six months. Early detection and treatment of possible problems become possible through periodic examinations.

4. Proper nutrition. After completing the All-on-4 oral rehabilitation, we recommend eating softer foods during the primary healing period. Avoiding hard or chewy food and cold and hot drinks will help prevent possible complications.

5. Avoiding smoking. Smoking and alcohol consumption can harm the healing of the tissues around the denture. Therefore, at least during the primary healing period, you should avoid these bad habits.

Always consult a professional if you have any questions or concerns about All-on-4 oral rehabilitation. They are the ones who can provide proper guidance and advice.

Getting used to it
All-on-4 oral rehabilitation allows the patient to regain full chewing function in about three weeks, but, like any other dental prosthesis, it also takes some getting used to. The duration of habituation is different for everyone. This type of denture also has the advantage over traditional, removable dentures in that it is fixed, giving you the feeling that you have your teeth back.

Any discomfort or foreign feeling in the mouth is possible for the first few days or weeks, but these will pass over time. However, following your doctor’s instructions and regularly attending check-ups are essential to ensure smooth healing.

While getting used to it, you need to pay attention to eating. In the first few weeks, eat softer foods so as not to stress the new set of teeth too much. As the healing progresses, you can gradually return to a normal diet. However, regular dental care and dental check-ups are still vital.

All-on-4 oral rehabilitation and the period of getting used to it are unique for each patient. While some people get used to their new dentures immediately, others need a little longer to feel completely comfortable with them. Our specialists are always at the disposal of our patients during the habituation process and provide all the help they need to feel safe and comfortable.

Advantages of All-on-4 mouth rehabilitation
All-on-4 oral rehabilitation has many advantages compared to other implant-based dental restorations, but it is important to note at the outset that there are conditions for its applicability. We will discuss it later.

– Fewer implants are required. That is one of the most essential advantages! Traditional implant-based dentures usually require 8-12 implants per false bone, while All-on-4 only needs four.
– Easier surgical intervention – It is clear that the implantation of a smaller number of implants means a significantly lower burden for the patient than traditional implant implantation.
– Cheaper. Using fewer implants means lower costs, although the complexity of the treatment can affect the final price.
– Potential bone preservation. Thoughtful, precisely planned placement of the four implants can optimize bone utilization, reducing the need for bone replacement.
– Faster. Not only is the implantation of the implant possible in a shorter time, but it is also necessary to prepare the final set of teeth. In traditional implant-based oral rehabilitation, the patient receives temporary dentures that they will replace with permanent dentures after about six months. In the case of all-on-4 oral rehabilitation, the patient receives a permanent set of teeth after three weeks. That in itself is a significant difference!
– Stability and safety. The correct choice of placement angle for the two posterior implants of the All-on-4 ensures excellent stability, creating the effect of having more than two implants implanted.

Disadvantages of All-on-4 mouth rehabilitation
All-on-4 oral rehabilitation is an innovative, great dental replacement solution, but fairness requires mentioning the possible disadvantages. The significant negatives are listed below.

Oral surgery. All-on-4 oral rehabilitation implants are implanted by surgical intervention, which a qualified implantologist must do. As with any surgery, this procedure carries certain risks, such as bleeding, swelling, and possible infection.

Limited applicability. All-on-4 oral rehabilitation is one of the best options for replacing missing natural teeth, but it has one crucial condition. This type of tooth replacement requires an adequate amount and quality of tooth and jaw bone. If this is unavailable and the lack of bone is not replaceable by bone replacement, then this solution is not applicable.

It requires appropriate professional knowledge and experience. This type of implant implantation requires a great deal of theoretical knowledge and professional experience. The placement of the two posterior implants, which are to be placed obliquely at the correct angle, requires an exceptionally high degree of oral surgery expertise. The precise implantation of these two slightly larger implants is more challenging than the implantation of a traditional implant

In Hungary, the All-on-4 oral rehabilitation solution became available in the middle of the 2000s, and our institution was one of the first to make such dentures. The procedure has been continuously developing since then, and dentists have more and more experience in its successful application.

They have limited long-term data. Although the success rates are promising, All-on-4 oral rehabilitation is a relatively new technology compared to traditional implant-based dental restorations, so there is relatively little experience regarding long-term effectiveness.

Ultimately, the best way to decide if All-on-4 is correct is to see a qualified implantologist or oral surgeon.

Durability and care of All-on-4 dentures
All-on-4 oral rehabilitation is a lifelong solution, but an essential condition for this is proper dental care. Durability also depends on the material of the prosthesis. In the case of All-on-4 mouth rehabilitation, they make the dentures of metal-ceramic or zirconium oxide. Both materials are highly durable and resistant, working reliably for many decades.

Proper care is required for All-on-4 dentures to maintain their functionality for as long as possible. Below are some tips to look out for.

1. Oral hygiene. Keep implants and dentures clean and healthy with regular brushing and oral care. Use implant and prosthesis cleaning tools that help remove deposits and harmful bacteria.

2. Regular dental check-ups. It is important to attend regular dental examinations, as it is essential to know the condition of the implants and dentures so that necessary repairs may occur in time.

3. Avoid huge loads. All-on dentures are durable but may be damaged due to excessive chewing forces. Avoid hard food, biting into large pieces, and not constantly chew on a hard object (e.g., pencil or toothpick).

4. Abstaining from aggressive habits: For example, teeth grinding and nail-biting can damage the teeth. If you experience such habits, ask your dentist for help.

Tooth loss poses severe challenges to those affected, both from the health and quality of life and from an aesthetic point of view. Missing teeth also negatively affects culinary enjoyment, speech, and self-confidence. All-on-4 oral rehabilitation is a highly effective, long-lasting, and quality-of-life dental replacement solution.

All-on-4 oral rehabilitation is an excellent solution when you need a complete set of teeth on the upper, lower, or both jawbones. In our institution, we are at the disposal of patients with guaranteed high-quality implants and decades of experience and expertise. We guarantee excellent results and do our best to minimize the risk of complications. If you have any questions about the topic, please contact us.


In our Articles section, you can find more information about dental implants, implantation with one-phase implants, and dentures with implants. Let others know in the COMMENT section if you have an opinion about what we just said. If you have any questions, please contact us, or ask iliDent AI Virtual Assistant.
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