Zygomatic Implant
Pronunciation: zigh-go-MAT-ik
Specialized dental implant anchored in the zygomatic bone to support prosthetic rehabilitation in severely resorbed maxillae.
Full Definition
Zygomatic implants are extra-long titanium fixtures (35-55mm) designed to engage the dense zygomatic bone when insufficient maxillary bone exists for conventional implant placement. This technique, developed by Brånemark, bypasses the need for extensive bone grafting in severely atrophic maxillae. The implants are placed through the maxillary sinus with apical anchorage in the zygomatic process of the temporal bone. Surgical placement requires specialized training due to proximity to vital structures including the orbit, maxillary sinus, and infraorbital nerve. Success rates are high when proper case selection and surgical technique are employed, offering immediate function in many cases.
Usage
Usage note: Specify unilateral versus bilateral placement and loading protocol in treatment plans.
In Context
- "Bilateral zygomatic implants were placed to support an immediate-loading full-arch prosthesis." — Complex rehabilitation treatment plan
- "The patient's severe maxillary resorption made zygomatic implants the preferred alternative to extensive bone grafting." — Treatment option discussion