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All-on-6 upper jaw rehabilitation with MegaGen AnyRidge implants for TMJ dysfunction

All-on-6 upper jaw rehabilitation with MegaGen AnyRidge implants for TMJ dysfunction

Complaints:

Missing teeth in the upper jaw, difficulty chewing food, impaired smile esthetics, discomfort during chewing, and pain in the temporomandibular joints (TMJs).

Diagnosis:

Secondary edentulism of the upper jaw affecting the anterior and posterior segments. Reduced vertical dimension of occlusion. Pain in the temporomandibular joints. Decreased masticatory efficiency.

Treatment:

During the diagnostic stage, a computed tomography (CT) scan, intraoral scanning with a 3Shape scanner, and an occlusal analysis were performed. Due to the patient's complaints of joint pain, a gnathological assessment was carried out to determine a stable mandibular position and restore the physiological vertical dimension of occlusion. Based on the collected data, 3D treatment planning was completed and a custom surgical navigation guide was fabricated. During the surgical stage, under general anesthesia, full-arch rehabilitation of the upper jaw was performed using the All-on-6 concept with MegaGen AnyRidge implants and a previously placed implant. Thanks to excellent primary implant stability, an immediate-loading protocol with a temporary fixed prosthesis reinforced by a titanium bar was implemented, allowing the patient to immediately regain smile esthetics and chewing function. After the osseointegration period, successful implant integration and soft tissue stability were confirmed. During the final stage, a permanent zirconia prosthesis reinforced with a custom titanium bar was delivered and screw-retained on six implants. This approach restored proper occlusal relationships, stabilized temporomandibular joint function, and ensured full restoration of the stomatognathic system.

In this case, the absence of teeth in the upper jaw led not only to reduced chewing efficiency and impaired smile aesthetics, but also to a decrease in bite height, which was accompanied by pain in the temporomandibular joints.

Therefore, the treatment was aimed not only at restoring the teeth, but also at normalizing the function of the entire dentofacial system.

After CT imaging, 3Shape digital scanning, occlusal analysis, and gnathological diagnostics, a full rehabilitation of the upper jaw was performed using the All-on-6 protocol with MegaGen AnyRidge implants.

An individual surgical guide was fabricated to ensure precise implant placement.

Due to the high primary stability of the implants, a temporary fixed prosthesis on a titanium bar was attached on the day of surgery.

After successful osseointegration, the temporary prosthesis was replaced with a permanent zirconia restoration on a custom titanium bar with screw retention supported by six implants.

Result:

The teeth in the upper jaw, chewing function, proper bite height, and smile aesthetics were successfully restored.

It was also possible to stabilize occlusal relationships and eliminate discomfort in the temporomandibular joints.

When teeth are missing, it is important to restore not only the smile but also the proper function of the entire dentofacial system.

Learn more about treatment with the All-on-6 protocol and implant-supported prosthetics.

Treatment performed by:

The surgical stage was performed by oral and implant surgeon
Fedoryshyn Mykola