All On Four
Introduction
The idea of having a full set of teeth that supported by just a few implant fixtures was not a new one, the concept of adopting a 45° angle for the posterior implants was what led to the evolution of All On Four. Today, this technique is widely acknowledged as the superior treatment option for a full-arch teeth replacement.
Overview
All On four is a dental implant technique where the upper or lower set of teeth are replaced with just four implants. These four Implants act as a support mechanism for the placement of a new set of fixed teeth.
With the All On Four dental implant procedure, the posterior implants are tilted 45° towards the rear of the mouth and placed into the anterior maxilla, a region of the jaw with higher bone density.
Compared to other implant methods, the All On 4 technique doesn’t require the same density of bone in order to secure the implant.
benefits of all on four procedure
The benefits of All On Four procedure are as follows:
• Immediate results:
Experience a dramatic improvement in chewing ability, teeth stability, and overall comfort right away.
• Improve your appearance:
All On Four implants decrease wrinkles caused by missing bone and tooth structure, which helps you look younger.
• Improving the eating habits:
Your overall eating habits will improve with the All On Four procedure. You’ll be able to enjoy your favorite foods again instead of avoiding them in public or at home.
• Long-lasting smile:
The All on Four dental implant procedure creates a permanent set of teeth with a non-removable implant-supported retained bridge. Your dental implants never have to be removed, and your teeth can last a lifetime.
• Enhance your overall quality of life:
With All On Four dental implants, your new teeth will feel and function just like real teeth. Overall, you’ll look better, feel better, and have a renewed outlook on life.
prepare for all on four procedure
Optimal oral hygiene is the cornerstone of a successful All On Four implant surgery. In the weeks leading up to the procedure, commit to a rigorous oral care routine.
Brush and floss regularly, paying special attention to the implant sites. All-on-4 dental implants in often require a specific antimicrobial mouthwash to minimize the risk of infection.
If you smoke, it’s advisable to quit at least two weeks prior, as smoking can impede the healing process. Similarly, limit alcohol intake and avoid strenuous physical activities.
steps of all on four procedure
The steps of All On Four procedure are as follow:
Step 1-Diagnosis and treatment planning:
To evaluate your needs, you should expect a complete examination of your mouth, including dental X-rays and a possible CBCT scan to look at the jawbone and other underlying structures.
Step 2-Tooth extraction:
Once a diagnosis is made, the next step will involve removing any existing teeth that need to be replaced. This may include some healthy teeth as well if they are blocking the way for All On Four implants.
Step 3-Implant placement:
Once you’re fully sedated, the dentist extracts any of your remaining teeth and makes small incisions in your gums to shape the four upper and four lower arch sockets. These incisions are where the implants will be placed. Implant screws are then placed in your jawbone, and a connector is attached. A bone graft is sometimes required during this stage of the surgery.
Step 4-Final adjustments and follow up:
In this step, abutments will be put into place and a new set of custom-made teeth will be connected to the abutments. This process may take place during the same visit when implants were placed or at a later date.
all on four aftercare
Regular brushing, flossing, and periodic professional cleanings are essential to prolong the lifespan of your All On Four implants and ensure a healthy oral environment.
You should follow Post-Op Care instructions. This includes taking prescribed medications, managing swelling with cold compresses, and maintaining a soft-food diet until given the green light to resume a regular diet.
Regular follow-up appointments are integral to monitor the progress of your healing and address any concerns promptly. Attend these appointments diligently, providing an opportunity for your surgeon to assess your recovery and make any necessary adjustments.
risks and complications of all on four
The risks and complications of All On Four are as follow:
• Implant instability:
This may occur if the surgeon is placing the implant into the bone and can’t attain an adequate amount of stability. The stability of the implant means that the implant needs to attain a certain “grip” or “tightness” in the bone of at least 35 Newtons/cm2 of torque upon implant insertion. Not having this type of retention can lead to implant failure.
• Bone loss and prosthetic failure:
Implants need enough anterior-posterior spread, commonly referred to as A-P spread. Not having this space can not only put too much force on an implant but can cause a cantilever effect. This effect results in the prosthetic denture breaking easily.
• The spacing:
When there is too much space between the top of the denture and the gums, food can get trapped in this space. Trapped debris can lead to infection and gum irritation. This space can be avoided by assuring the gums and bone have healed for a long enough time after your surgery.
What is All On Four
All On Four is a dental implant procedure that involves placing four implants in the jawbone to support a full arch of prosthetic teeth.
How to prepare for All On Four surgery?
Preparing for All On Four surgery involves several important steps to ensure a successful outcome. First, patients should schedule a comprehensive consultation with their dentist or oral surgeon. During this visit, they will discuss medical history and undergo imaging assessments to evaluate the condition of the jawbone. Next, it’s essential to follow any pre-operative instructions, which may include dietary adjustments or medication changes.
Where are implants placed during All On Four surgery?
During All On Four surgery, implants are strategically placed in the patient’s jawbone. This procedure typically involves:
Two anterior implants: Positioned vertically in the front of the jaw.
Two posterior implants: Angled posteriorly in the back of the jaw.
This specific arrangement maximizes the use of available bone and provides a strong foundation for the complete arch of teeth that will be attached. The angled placement of the posterior implants helps to avoid areas of lower bone density, ensuring better stability and support for the prosthetic teeth.
What is the reason for the implant instability in All On Four?
Implant instability in the All-On-Four procedure can arise from several factors. Key reasons include:
Bone Quality: Insufficient bone density or volume may compromise the implant’s anchorage.
Surgical Technique: Inadequate placement or angulation of the implants can lead to improper load distribution.
Prosthetic Design: An unbalanced prosthetic framework may place excessive forces on certain implants, causing movement.
Patient Factors: Poor oral hygiene, smoking, and systemic health issues can negatively impact healing and integration.
What causes gum irritation after All On Four surgery?
Post-operative swelling is common, as the body reacts to the surgical procedure. Additionally, oral hygiene challenges may arise, leading to bacteria accumulation around the implants, which can irritate the gums.
Results
Unlike traditional dentures or bridges, All On Four implants require no adhesives and can be cared for just like natural teeth. They work by using titanium implants inserted into the jawbone where the missing teeth used to be, followed by a set of custom-made teeth that are connected to the implants.
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