All-on-4 vs. All-on-6 Dental Implants: Which One is Right for You?

Comparing All-on-4 and All-on-6 full arch dental implants. Differences in bone density requirements, stability, cost, and candidacy.

All-on-4 vs. All-on-6 Dental Implants: Which One is Right for You?

Published on 2026-08-15 | By ask.dentist Medical Editorial Board

Restoring an entire jaw of missing teeth? Understand the structural, clinical, and financial differences between All-on-4 and All-on-6 full arch implant solutions.

Full Arch Reconstruction: All-on-4 vs. All-on-6

For patients suffering from total tooth loss or severe periodontal deterioration, traditional single implants are often impractical. Full arch implant techniques—specifically All-on-4 and All-on-6—allow oral surgeons to anchor a full set of 12 to 14 permanent teeth onto strategically angled implants in a single jaw.

All-on-4: Maximum Efficiency with Minimal Bone Density

Pioneered by Nobel Biocare, the All-on-4 system places two straight anterior implants and two posterior implants angled at up to 45 degrees. This angling utilizes existing dense frontal bone, often eliminating the need for complex sinus lifts or bone grafting.

All-on-6: Superior Force Distribution for Strong Jaws

All-on-6 utilizes six implants per arch. By adding two additional posterior pillars, chewing forces are distributed across a broader surface area, delivering enhanced long-term stability for patients with adequate jawbone density and strong bite mechanics.

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