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All-on-4 vs DenturesWhich Is the Better Choice?

Dentures and All-on-4 implants solve the same problem - missing teeth - but deliver very different outcomes.

This guide compares them honestly across function, comfort, aesthetics, cost, and long-term value.

The Fundamental Difference

All-on-4: fixed, non-removable, anchored in bone, functions and feels like natural teeth, prevents bone loss. Conventional dentures: removable, sits on gums, requires adhesive, continues to lose fit as bone resorbs, affects speech and food choices.

Function and Daily Experience

All-on-4: bite force 80–90% of natural teeth. Eat any food. No adhesive. No removal for cleaning - regular brushing with specialised brush. Dentures: bite force 30–40% of natural teeth. Significant food restrictions. Daily removal for cleaning. Risk of slipping or falling out socially.

Bone Preservation

All-on-4: implants stimulate the jawbone, preventing resorption. Bone levels remain stable. Dentures: no bone stimulation - jawbone continues to resorb. Ridge flattening over years makes denture fit progressively worse. Implants must eventually be considered if bone loss becomes severe.

Cost Comparison

New full dentures (both arches): AU $3,000–$8,000. Implant overdenture (2–4 implants per arch): SD EUR $4,000–$8,000 both arches. All-on-4 fixed arch: SD EUR $10,000–$14,000 both arches vs AU $50,000–$70,000. Long-term: dentures require relining ($500–$1,000/arch every 3–5 years) and eventual replacement. All-on-4 fixed: 15–20+ year lifespan per prosthesis.

Who Is a Better Candidate for Dentures?

Patients unable to undergo surgery (severe systemic health issues). Patients who genuinely prefer removability for maintenance. Patients with insufficient bone for implants AND who decline zygomatic/basal protocols. Patients with extremely tight budget constraints. For everyone else: implant-supported options consistently produce better long-term outcomes.

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