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How Do Removable Implants Work?

Published in Implant Overdentures 4 mins read

Removable implants, often referred to as implant-retained or implant-supported overdentures, function by providing a stable and secure foundation for a removable denture, significantly enhancing its stability and comfort compared to traditional dentures. They work by using dental implants surgically placed in the jawbone to anchor the denture, allowing it to be securely snapped into place while also being easily removable for cleaning.

The Core Mechanism of Removable Implant Dentures

The process for implant-retained removable dentures is a multi-step procedure centered around the strategic placement of dental implants.

  1. Implant Placement: The procedure begins with placing tiny titanium posts into the jawbone. These high-tech posts are surgically inserted into specific locations within the jawbone, typically in the front of the mouth where bone density is often higher.
  2. Anchoring Function: These titanium posts are designed to mimic the shape of tooth roots and provide anchors for the denture plate. Over a period of several months, the jawbone naturally fuses with the titanium posts in a process called osseointegration, creating a strong, permanent bond.
  3. Efficient Support: Notably, implant-retained removable dentures require only two implants to support the prosthesis, making it a less invasive option than a full set of fixed implants while still offering substantial benefits.
  4. Removable Attachment: Once the implants have fully integrated with the bone, special attachments (such as ball, bar, or locator attachments) are placed on top of the implants. The custom-fabricated denture is then designed with corresponding connectors on its underside. These connectors allow the denture to securely "snap" or "clip" onto the implant attachments. This unique design provides exceptional stability during speaking and eating, preventing the denture from shifting or falling out, while also allowing the wearer to easily remove it for daily cleaning and maintenance.

Key Steps in Getting Removable Implant-Supported Dentures

The journey to a stable, comfortable smile with removable implant dentures typically involves several phases:

  • Initial Consultation and Planning: A thorough dental examination, including X-rays and 3D scans, is conducted to assess bone density and determine the optimal placement for the implants.
  • Surgical Placement of Implants: The titanium posts are surgically inserted into the jawbone. This procedure is usually done under local anesthesia.
  • Healing and Osseointegration: A crucial healing period follows, during which the implants fuse with the jawbone. This can take several months. A temporary denture may be worn during this time.
  • Attachment of Abutments: Once osseointegration is complete, small connector pieces (abutments or attachments like ball or locator) are placed on top of the implants, extending above the gum line.
  • Denture Fabrication and Fitting: Impressions are taken to create a custom-fitted removable denture that will perfectly snap onto the implant attachments. Adjustments are made to ensure a comfortable and secure fit.
  • Patient Education: Instructions are provided on how to properly remove, clean, and care for both the denture and the implant sites.

Benefits of Removable Implant-Supported Dentures

Choosing removable implant-supported dentures offers significant advantages over traditional dentures:

  • Enhanced Stability and Retention: The primary benefit is the dramatic improvement in denture stability, eliminating slippage and improving chewing efficiency.
  • Improved Chewing and Speech: With a secure fit, patients can eat a wider variety of foods and speak more clearly without worry.
  • Preservation of Jawbone: The implants stimulate the jawbone, helping to prevent the bone loss that typically occurs with missing teeth and traditional dentures.
  • Increased Comfort and Confidence: A more stable denture leads to less irritation of the gums and a significant boost in self-confidence.
  • Easy Maintenance: The removability feature allows for thorough cleaning of the denture and access to the implant sites for proper oral hygiene.

Comparing Denture Options

Feature Traditional Dentures Removable Implant-Supported Dentures
Support Rests on gums Anchored by dental implants
Stability Can slip, cause soreness Very stable, minimal movement
Bone Loss Accelerates jawbone deterioration Helps preserve jawbone
Chewing Power Limited Significantly improved
Comfort May feel bulky, less secure More comfortable, secure fit
Removability Yes Yes
Maintenance Daily cleaning Daily cleaning of denture & implants

Removable implants provide an excellent solution for individuals seeking improved stability and comfort from their dentures, leveraging the strength of dental implants to create a reliable and user-friendly prosthetic.