Pterygoid Implant: The Solution for Those Who Lack Bone in the Back of the Mouth

When a patient loses their upper teeth and goes a long time without replacement, the bone in the area gradually decreases. In the front part, this is usually easier to resolve. But what about the back part, near the sinuses, where the bone tends to be thin and low? This is where a special and very efficient technique comes in: the pterygoid implant.

What is the Pterygoid Implant?

The pterygoid implant is a special type of dental implant, longer than conventional ones, that is anchored in a very specific and strong region of the skull: the pterygoid process, located behind the upper jaw.

Instead of being placed in the common maxillary bone, it is tilted and anchored in a very dense bony structure, close to the base of the skull. This region maintains a good amount of bone even in patients who have lost teeth many years ago, making the technique an excellent alternative when other options are not possible.

Why is This Technique So Important?

In the back of the upper jaw, it is common to encounter two difficulties. First, the maxillary sinus, a natural air-filled cavity that occupies a large part of this region. Second, bone loss, which over time leaves little bone available to receive traditional implants.

Before the popularization of pterygoid implants, the only solution used to be the maxillary sinus lift, a procedure that involves bone grafting, longer treatment time, and greater surgical complexity. With the pterygoid implant, in many cases, it is possible to avoid grafting and still have a firm and secure support for the prosthesis.

Who is it Indicated For?

The pterygoid implant is mainly recommended for patients who:

Have lost their upper back teeth and have little bone in the area. Do not want or cannot undergo bone grafting, whether due to health issues, time, or cost. Need a total rehabilitation of the upper arch, such as in cases of protocol or extended All-on-Four. Have undergone previous treatments that were unsuccessful due to lack of bone.

In many modern plans, the pterygoid implant is combined with other implants in the front of the mouth, forming a complete support structure for extensive fixed prostheses.

What is the Procedure Like?

The surgery is performed with local anesthesia, and in some cases with sedation for greater comfort. The dentist, based on a detailed tomography and digital planning, positions the implant at a specific angle to reach the pterygoid process.

It is a procedure that requires experience and advanced training, as it involves anatomical regions close to nerves, blood vessels, and important structures. Therefore, it should be performed by professionals specialized in advanced implantology.

The good news is that, in experienced hands, the technique is safe, predictable, and offers excellent results. The pterygoid implant has a high success rate, comparable to traditional implants.

What are the Advantages?

The technique offers quite attractive benefits. It avoids bone grafting in most cases, reducing the total treatment time. It utilizes naturally dense and strong bone, ensuring good stability for the implant. It allows for immediate loading in many situations, meaning the patient can leave the office with the provisional prosthesis already installed. It provides support in the back of the mouth, improving the distribution of masticatory force on the prosthesis. And it also reduces costs compared to treatments involving extensive grafts.

And What About Recovery?

The postoperative period is similar to that of other implant surgeries. There may be swelling, mild discomfort, and some restrictions in the first few days, controlled with prescribed medication. Careful hygiene and follow-up with the dentist are essential to ensure good healing.

As the implant is placed in a deeper region, some patients report a different sensation in the first few days, but this passes quickly. In a few weeks, normal routine returns.

Long-Term Care

Like any other implant, the pterygoid requires ongoing maintenance. Good oral hygiene, use of specific dental floss, and regular visits to the dentist are fundamental. When well cared for, it can last many years, providing firm support for the prosthesis.

Who Can Perform This Treatment?

It is important to highlight that the pterygoid implant is not a routine procedure in any dental office. It requires deep knowledge of anatomy, surgical experience, and appropriate technology, such as cone beam computed tomography and digital planning. Always seek a professional specialized in advanced implantology to evaluate your case.

Conclusion

The pterygoid implant is one of the smartest solutions in modern dentistry for rehabilitating patients with bone loss in the back of the upper jaw. It dispenses with grafts in many cases, shortens treatment time, and restores function and aesthetics with excellent predictability.

If you have heard that you “do not have enough bone” to get implants in the upper part of your mouth, or if you are researching alternatives to avoid grafts, it is worth getting to know this technique. A specialized evaluation can reveal options you didn't even know existed.

Dentistry is evolving rapidly, and today almost all cases have a solution. The secret is to seek updated professionals willing to offer the best for your smile.

Prof. Me Robson Ravel de Oliveira

Dentalpos - Maringá

robsonravel@wmundi.com