What they are
Zygomatic implants are long implants that anchor in the cheekbone (zygoma) instead of the upper jaw.1 They are used for people with severe bone loss in the upper jaw who cannot receive conventional implants.1 The Cochrane review lists two possible advantages: avoiding bone grafting and allowing a fixed bridge to be placed immediately or soon after surgery.1 It also describes the procedure as technically demanding.1
Compared with grafting and standard implants
A 2026 Cochrane review found two randomized trials, each followed for 3 years.1 One trial with 71 participants compared zygomatic implants, loaded immediately, with conventional implants placed later in grafted bone.1
| Outcome at 3 years | Zygomatic vs grafting plus conventional implants | Certainty |
|---|---|---|
| Time to fixed teeth | About 1.3 days vs 444 days | Moderate |
| Implant failures | Probably fewer with zygomatic | Moderate |
| Complications | Probably more with zygomatic | Moderate |
| Patient satisfaction | Little or no difference | Low |
The review rated the overall evidence as limited by small sample sizes.1
Long-term survival
A 2016 systematic review pooled 68 studies of 4,556 zygomatic implants in 2,161 patients.2
- The 12-year cumulative survival rate was 95.21 percent.2
- Most failures were found within 6 months after surgery.2
- Studies of immediate loading had lower failure rates than studies of delayed loading.2
- Patients treated after removal of part of the upper jaw had lower survival.2
Complications reported
| Complication | Reported rate |
|---|---|
| Sinusitis | 2.4 percent |
| Soft-tissue infection | 2.0 percent |
| Numbness (paresthesia) | 1.0 percent |
| Oroantral fistula (opening between mouth and sinus) | 0.4 percent |
The authors noted these rates may be underestimated because many studies did not report them, and that sinusitis can appear years after surgery.2
Who places them
Zygomatic implants are placed in the cheekbone, and sinusitis is their most common reported complication.2 Oral and maxillofacial surgeons train in a hospital-based surgical residency of at least four years after dental school.3 Ask any surgeon how many zygomatic cases they have completed.
General information about dental implants. Treatment decisions are made with a licensed dentist.
Sources
- Visconti RF et al. Zygomatic implants for the severely atrophic edentulous maxilla. Cochrane Database Syst Rev 2026. pubmed.ncbi.nlm.nih.gov
- Chrcanovic BR et al. Survival and complications of zygomatic implants: updated systematic review. J Oral Maxillofac Surg 2016. pubmed.ncbi.nlm.nih.gov
- AAOMS (MyOMS.org): Anesthesia for Oral and Maxillofacial Surgery. myoms.org
