GPS™ Overdenture Attachment System
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GPS™
Intelligent design that leads you through the clinical challenges of overdentures to great success The GPS™ overdenture attachment system includes a full-range of components including male nylon liners with various retention levels and a convenient Abutment Housing Kit for denture processing. These components are compatible with LOCATOR® abutments as well as our one-piece GoDirect™ implants. The system also features a unique Core Tool for easy liner replacement. Regardless of the abutment-implant connection you choose, all GPS™ abutments feature a profile that is compatible with LOCATOR® components.
Range of Options
• Five collar heights (1, 2, 3, 4 or 5mm1) • Four connections (Spectra-System®; industrystandard internal hex, tri-lobe or octagon)
All-in-One Packaging • • • • • •
Abutment Transfer Comfort Cap Metal Housing with Nylon Liner Black Processing Male Cap Block-Out Spacer
Comfort Cap
Transfer
Silicon Spacer
Replacement Male Clear (4.5lbs)
15˚ and 30˚ Angled GPS™ Abutments
• Accommodate the highest degree of relative divergence available on the market
Advanced Interface
Metal Housing Black Processing Male
All-in-One Packaging
• Compatible with common prosthetic tools for simplified insertion2 • Compatible with LOCATOR®
Includes items for chairside processing
Pink Anodized Metal Housing
• Blends with the denture acrylic and allows you to achieve a natural profile with minimal acrylic thickness facially • Features deep grooves and flat top to increase surface area and denture engagement
15˚ relative divergence 30˚ Bucally inclined
15˚ relative divergence
15˚ Labially inclined
30˚ Bucally inclined
Simply Smarter Components
• Black processing male features a high melting point for improved processing • Replacement male caps are designed for both regular and extended range
60˚ relative divergence
Angled GPS™ Abutments Solve Complex Cases Accommodating up to 90˚ relative divergence, GPS™ allows you to place multiple inclined implants. This is especially useful in the maxilla to avoid the sinus.
1. Options vary depending upon platform diameter. 2. Please see back page for details. LOCATOR® is a registered trademark of Zest Anchors Company. The GPS™ and GoDirect™ Systems are neither authorized, endorsed, nor sponsored by Zest Anchors Company.
GPS™ Protocol
Place comfort caps and then suture tissue.
Place parallel posts onto the top of the abutments.
Then use an Angle Measurement Guide to determine the relative divergence of the implants.
Place the Block-Out Spacer over the head of the abutment. Attach the metal cap with Black Processing Male.
Locate the areas of the denture relative to the housings and relieve those areas.
Attach the gray transfers for an impression. They can be trimmed if more clearance is needed.
After placing the transfers, cover with impression material.
Fill tray with impression material and press firmly. Allow to set.
Insert the Abutment Analogs into the Impression Copings.
Pour die stone and allow to harden.
Place the White Block-Out Spacer over the analogs and attach the Cap with Black Processing Male.
Process denture. Pull on black cap at an angle to remove it. If needed, wedge a tool against the bottom.
Use the Male Seating Tool to push the Replacement Male of choice into the metal cap.
Insert the finished prosthesis. Instruct your patient on standard cleaning instructions.
Steps for Laboratory Processed Prosthesis
Attach the GPS™ abutment with appropriate insertion tool. Tighten to 30Ncm.
GPS™ Rationale Implant-Retained Overdenture vs. Complete Denture
Tools & Components
Preservation of residual alveolar ridge1,2 Increased comfort and chewing efficiency3 Greater patient satisfaction4 Less invasive and expensive
Replacement Male Red (1.0lb) 1000-92R Sold separately
Resilient Attachment Use Stability without overload
Resilient attachments transfer more occlusal force to the soft tissue thus lowering the stress placed on the bone surrounding implants than rigid attachments5 Implant overload is the main cause of bone resorption5
Replacement Male Orange (2.0lbs) 1000-92E Sold separately
Considerations
Patient acceptance
Abutment Processing Cap Male Kit 1000-98S Sold separately
At a typical fee of $3,500, an overdenture supported by two implants is the least expensive alternative for an edentulous patient6 All-in-1 Packaging saves up to 46% over competitors which you can pass onto your patients if you choose7
Replacement Male Green (3.0lbs) 1000-92G Sold separately
Surgical Benefits
Accommodates highest degree of relative divergence
Implant angulation may be chosen based upon clinical needs without prosthetic limitation
Prosthetic Benefits
Paralleling Pins 1000-97 Sold separately
Enhanced esthetics
Pink anodized metal housing blends with denture acrylic This allows you to achieve a natural profile with minimal acrylic facially
Improved processing
Metal housing design increases surface area and denture engagement Black processing male cap features a high melting point
Core Tool 1000-96 Sold separately
Simplified insertion
Compatible with standard 1.25mmD (.050in) hex tool RePlant¨ abutments feature the patented Dual-Grip™ interface that enables use of Nobel Biocare’s Uni-Grip™ Driver Swish™ abutments feature the patented Duo-Grip™ interface that enables use of Straumann’s SCS Screwdriver
Angle Measurement Guide 1000-99 Sold separately
Also compatible with LOCATOR® abutments and our one-piece GoDirect™ implants.
1. Atwood DA, Coy WA. Clinical, cephalometric, and densiometric study of reduction of residual ridges. J Prosthet Dent. 1971;26:280–295. 2. Tallgren A. The continuing reduction of the residual alveolar ridges in complete denture wearers: a mixed-longitudinal study covering 25 years. J Prosthet Dent. 1972;27:120–132. 3. Stellingsma K, Slagter AP, Stegenga B, Raghoebar GM. Masticatory function in patients with an extremely resorbed mandible restored with mandibular implant-retained overdentures: comparison of three types of treatment protocols. J Oral Rehabil. 2005;32:403–410. 4. Kenney R, Richards MW. Photoelastic stress patterns produced by implant-retained overdentures. J Prosthet Dent. 1998;80:559–564. 5. Daas M, Dubois G, Bonnet AS, Lipinski P, Rigon-Bret C. A complete finite element model of a mandibular overdenture with two implants: Comparison between rigid and resilient attachment configurations. Medical Engineering & Physics 2008; 30(2): 218-225. 6. Christensen, GJ. Treatment of the edentulous mandible. JADA 2001; 132: 231-233. 7. Price comparison based upon US list prices as of April 2010. LOCATOR® is a registered trademark of Zest Anchors Company. The GPS™ and GoDirect™ Systems are neither authorized, endorsed, nor sponsored by Zest Anchors Company.
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