What is All On 4 full mouth dental implant? Advantages and disadvantages

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In the past, when losing all teeth, the first method we thought of was restoration with removable dentures. But with the modern medical level like today, full-mouth implant dentistry will be the most effective and optimal method.

1. What is full-mouth implant dentistry?

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Full-mouth implant dentistry is the most optimal solution to help bring aesthetic and chewing effects to patients who have lost many teeth or all teeth on the jaw.

Full-mouth implant dentistry with ProArch/All-on-X technique is often used with many outstanding advantages such as restoring chewing ability to more than 95%, limiting surgeries such as bone grafting; in addition, it also ensures fixation, firmness, easy cleaning and a natural appearance like real teeth.

2. In which cases should a full-mouth implant be placed?

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– People who have lost all their teeth in the upper or lower jaw.

– People who have lost many teeth, the remaining teeth are loose and weak, and cannot ensure chewing ability due to periodontitis or severe tooth decay.

– People who want to restore their entire jaw of teeth at a low cost and with a long-lasting, durable life.

3. Who cannot perform full-mouth implant surgery?

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Full-mouth implant surgery is highly effective for people with missing teeth, however, in the following cases, this method should not be performed:

– People with uncontrolled diabetes.

– The tooth position where the implant is intended shows signs of infection and needs to be treated before surgery.

– Pregnant women.

– People who are not in good health or have certain diseases that affect surgery and treatment time such as: cardiovascular disease, diabetes, people who have had radiation therapy in the jaw area, etc.

– People who regularly drink alcohol and are addicted to tobacco.

4. What is the most popular full-mouth implant technique today?

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Currently, there are 2 most popular full-mouth implant methods: All – on – 4 and All – on – 6, inventions of Nobel Biocare Implant (USA). This is a technique of placing 4 or 6 Titanium implants into the jawbone to replace missing teeth. Thanks to advances in modern medicine, the All-on-4 and All-on-6 full-mouth implant methods are considered the two most comprehensive tooth restoration solutions in the world today, helping to restore chewing ability and effective aesthetics for people with total tooth loss and bone loss in the area behind the teeth.

4.1 All-on-4 full-mouth implant technique

–  Perform 4 implant pillars on 1 jaw, usually at tooth number 2 and tooth number 5.

–  The maximum angle of the posterior implant is tilted to 45 degrees.

–  With the support of the abutment joint, this 4-implant supports 1 jaw with 12 porcelain teeth above.

–  This method is usually applied to the lower jaw.

4.2 All-on-6 full-jaw implant technique

–  Optimal treatment for patients with complete tooth loss in the upper or lower jaw.

–  Performing 6 implant pillars on each jaw, usually in the positions of tooth number 2, tooth number 4 and tooth number 6, helps the support process to be more solid.

–  All implant angles are 90 degrees vertical

– These 6 implant pillars can support 1 jaw with 14 porcelain teeth above.

5. Advantages of full-mouth implant dentistry

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In the past, removable dentures were often chosen by patients when they lost all their teeth, however, this method had many shortcomings, could not overcome the condition of jaw bone loss causing sunken cheeks, premature aging of the face, easy to fall off when used, causing pain, bad breath. At the same time, it does not bring a good, natural chewing feeling, greatly affecting the digestive system, leading to serious stomach diseases. Currently, thanks to full-mouth implant dentistry, patients can be completely assured because this method brings extremely outstanding advantages:

– Restores chewing function to more than 90%, helping patients regain the feeling of delicious eating like real teeth. Completely comfortable chewing without fear of jaw loss.

– Prevents bone loss, ensuring long-term stability and certainty.

– Implant restoration techniques are increasingly developed, helping the final result to be naturally beautiful, restoring maximum aesthetics.

– Save costs and use for a long time if properly cared for – The lifespan of an implant can last for decades or a lifetime.

– The dental implant process is quick, safe and effective.

6. What should be noted after implanting teeth to achieve the best results?


The implant is implanted into the jawbone and acts as a real tooth root to support the prosthesis made of Acrylic or Composite or porcelain teeth, fixed on the Titanium CAD/CAM bar. Full-mouth implant dentistry ensures stability and long-term use, however, to achieve the best results, you need to note:

– Have a suitable diet: Do not eat hard, chewy foods, prioritize soft, easy-to-swallow foods to heal quickly, helping to increase recovery ability.

– Do not use stimulants such as alcohol, tobacco, coffee, which will affect the healing process.

– Take good care of your teeth and mouth after implant surgery: use a soft-bristled toothbrush, do it gently, rinse your mouth with specialized mouthwash or saline to clean your mouth better.

– Do not exercise vigorously after full-mouth implant surgery, especially 48 hours after surgery

– Take enough medicine as directed by your dentist and return for a check-up on schedule to check the wound as well as the integration of the implant with the jaw bone.

7. Full-mouth implant surgery procedure


7.1 Examination, CT scan, consultation and treatment planning

–  General clinical examination of oral health.
–  Cone Beam CT scan to examine bone density and tooth loss most accurately.
–  Plan treatment for oral diseases (if any)
–  Choose suitable Implant, Implant size.
– Clearly determine health status and perform tests to ensure customers are eligible for full-mouth implant surgery.

7.2 Full-mouth implant surgery:

–  Disinfect and anesthetize to perform full-mouth implant surgery.

– Implant 4 or 6 implants (depending on the tooth loss condition and the doctor’s plan) with surgical guides to ensure safety and accuracy, and will also help the patient’s implant process go more smoothly.

– Place 4 or 6 multi-abutments to redirect.

– Take implant impressions to make temporary dentures.

– Take bite impressions and place healing abutments.

7.3 Attach temporary dentures after one day

– Open healing abutments, attach temporary dentures to the patient and adjust the bite.
– Take Panorex film for check.

7.4 Re-examination after implant placement

– Remove stitches and then take X-ray to check the healing level.

7.5 Final check and restoration

– Take X-ray to check the bone integration level.

– Take bite impression and take impression on Implant to make final jaw after 4-6 months.

8. Factors determining the success of full-mouth implant surgery


8.1 Doctor’s skills:

Doctor’s expertise and skills are considered the most important factors determining the success of a full-mouth implant surgery. This method requires the implant dentist to be thoroughly trained in knowledge, professional techniques, and practical experience, so that the implant process is accurate, fast, and gentle for the patient.

8.2 Quality of implant pillars

The full-mouth implant method only uses 4 or 6 implant pillars to support a porcelain bridge of 12 to 14 teeth above. This requires the selected implant pillars to ensure very high load-bearing capacity to ensure long-term chewing health and aesthetics for the patient. The implant pillars used in full-mouth implants must meet the requirements of structure, biological design, load-bearing capacity, and jawbone integration.

In addition, there are some types of implant pillars that are only suitable for single implant placement but not for full-mouth implant placement. If these types of implant pillars are still used for implantation, it can lead to many dangerous complications after a short period of use.

Customer implanting teeth at BIK DENTAL

8.3 Modern technology and equipment

Full-mouth implant dentistry is a technique that requires very high precision, so modern technology and machinery will support the implementation process to take place quickly and effective.

Full-mouth implant dentistry is a difficult technique, but it is highly effective for people who have lost all their teeth, so it needs to be performed at reputable, high-quality dental clinics to help patients restore chewing function and aesthetics, helping them smile brighter and more confidently.

Mỗi phòng khám thuộc hệ thống Nha Khoa Quốc Tế BIK được Sở Y tế các tỉnh thành thẩm định các danh mục kỹ thuật khác nhau. Quý khách sẽ được thực hiện các dịch vụ theo đúng những danh mục kỹ thuật mà Sở Y tế cho phép. Những danh mục khác sẽ được thực hiện tại bệnh viện.
Each clinic in the BIK International Dental System is assessed by the Department of Health of each province and city for different technical categories. You will receive services according to the technical categories permitted by the Department of Health. Other categories will be performed at the hospital..