A Zygomatic Bone Study Using Virtual Dental Implant Planning Software.

Area of Science:

• Dental Implantology
• Oral and Maxillofacial Surgery
• Radiology

Background:

• Zygomatic implants offer a solution for severe maxillary atrophy.
• Virtual planning is essential for optimizing zygomatic implant placement.
• Understanding anatomical variations is key to successful outcomes.

Purpose of the Study:

• To evaluate anatomical factors influencing virtual planning of zygomatic implants.
• To correlate maxillo-sinus concavity with implant placement parameters.
• To assess the viability of the zygomatic bone for implant anchorage.

Main Methods:

• Analysis of 268 cone-beam computerized tomography (CBCT) scans.
• Utilized specialized implant planning software for measurements.
• Assessed maxillo-sinus concavity, zygoma width, insertion angle, length, and apical anchorage.

Main Results:

• Medium-sized concavity (52.30%) was most frequent and showed greater apical anchorage (9.7 mm).
• Significant differences in angle, anchorage, and bone thickness were found across concavity types (P < .001).
• The most common implant length was 40 mm, with a mean insertion angle of 43.2 degrees.

Conclusions:

• The zygomatic bone is a viable site for zygomatic fixtures.
• Specialized planning software enhances predictability and visualization of zygomatic implants.
• Anatomical factors, particularly sinus concavity, significantly impact zygomatic implant planning and outcomes.