OverdenturesImplant-Retained Removable Prosthetics
- Overdentures are removable prosthetics retained by 2–4 implants using locator or bar attachments.
They offer significant stability improvement over conventional dentures at a lower cost than fixed full-arch options.
How Overdentures Work
Dental implants are strategically placed in the jaw - typically 2 per arch (minimum) or 4 per arch (optimal).
The denture is easily removed for cleaning and nighttime rest by the patient - simply releasing the snap mechanism.
Questions about this procedure?
Attachment Systems
- Ball attachment (locator): 2 implants per arch, simplest design, ball-shaped connector, nylon clips on denture engage the ball, easiest for patients with limited dexterity
- Bar attachment (Hader/Dolder): 2–4 implants per arch, horizontal bar connecting implants, denture clips engage the bar, more retention than locators, less vertical movement
- Magnetic attachments: emerging technology, 2 implants, magnets create retention, minimal daily maintenance, good for elderly or dexterity-limited patients
Ready to discuss your options?
Who Benefits from Overdentures?
- Current denture wearers experiencing chronic instability, soreness, or poor retention
- Patients experiencing bone loss complications from long-term conventional denture wear
- Patients seeking implant stability improvement at significantly lower cost than fixed full arches
- Patients with limited alveolar bone volume unsuitable for fixed arch protocols without major grafting
- Patients prioritizing simplicity of daily maintenance and overnight denture removal
- Patients who travel frequently or want removable option for specific lifestyle needs
Curious about costs and timelines?
Cost Comparison
| Option | New Zealand | Stunning Dentistry | Total with Travel |
|---|---|---|---|
| One arch overdenture (2 implants + denture) | NZD $6,000–$12,500 | NZD $2,000–$4,000 | NZD $3,200–$6,500 |
| Both arches | NZD $12,000–$25,000 | NZD $4,000–$8,000 | NZD $5,200–$10,500 |
| Savings comparison | - | - | NZD $1,500–$19,800 |
Want a personalised treatment plan?
Specialist-only treatment planning
- Remote file review before travel
- Evidence-led treatment checkpoints
No waiting list for eligible cases
- Remote file review before travel
- Evidence-led treatment checkpoints
Trip coordinated with care timeline
- Remote file review before travel
- Evidence-led treatment checkpoints
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Why Us
Frequently Asked Questions
Are overdentures more stable than conventional dentures?
Dramatically more stable. Conventional dentures rely on tissue fit and surface tension - they shift during function. Implant-retained overdentures are mechanically anchored to bone via implants - movement is minimal to none. Most patients report significantly improved confidence eating and speaking.
How many implants do I need for an overdenture?
Minimum 2 per arch (lower jaw can work with 2, upper jaw benefits from 4). Two implants provide excellent stability and load distribution. Four implants distribute force more evenly and reduce individual implant stress - optimal if bone and budget allow.
Can I leave an overdenture in 24/7?
While technically possible, it's recommended to remove the denture nightly for tissue rest and implant health - same as conventional dentures. Overnight removal allows soft tissues to recover and reduces infection risk. Most patients remove them at night anyway.
What if I want to upgrade from overdenture to fixed teeth later?
Yes - very possible. Your existing implants are retained, and additional implants can be placed if needed. A fixed full-arch prosthesis is then fabricated over all implants. This is a valid 'stepping stone' approach - start with overdenture, upgrade to fixed when budget and conditions allow.
See your new smile instantly!
This tool will help you understand potential structural and aesthetic changes before finalizing treatment decisions.
