Bicon Bulletin - August 2003

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Immediate Stabilization and Functioning Technique

Protocol for Immediate Stabilization and Functioning Technique:

The Immediate Stabilization and Functioning technique is a predictable treatment regardless of the quality of bone or the initial stability of the implant in the osteotomy. The only criterion for success of this treatment (in addition to the normal implant placement techniques) is the chairside prosthetic stabilization of the implant with a transitional prosthesis. The prosthesis must be stabilized by bonding it to adjacent teeth or to other implants during the period of osseointegration. A close working relationship between the surgical and restorative dentist must be present for successful treatment with a compliant patient who will monitor and attempt to preserve the immobility of the transitional prosthesis.

 

Materials

• HA coated implants (recommended)
• Stealth shouldered abutments
• Tall and short acrylic sleeves
• Vacuum-formed template of intended transitional prosthesis
• Transitional crown bonding materials
• Transitional crown composite material: Integrity by Dentsply and/or DiamondCrown™ by DRM
• Keflar reinforcing ribbon (not necessary if Integrity or DiamondCrown™ material is used in sufficient bulk)

 

Immediate Stabilization and Functioning Technique:

1. Extract tooth and/or prepare osteotomy in conventional manner.

2. Prior to preparing the osteotomy, etch and prepare the adjacent teeth or crowns for bonding.

3. Insert appropriate implant so that it is at least 5.0mm below the gingival crest.

4. Use shoulder depth gauge to determine the appropriate shouldered abutment height to use. The 5.0 x 4.0mm or the 4.0 x 3.5mm shouldered abutments are usually the appropriate abutments to be utilized in this procedure. If shrinkage of tissue occurs during the healing phase, a shorter shouldered abutment height may be used for the final prosthesis with a subgingival margin.

5. Choose appropriate shouldered abutment width based on the anatomy of interdental papillae. Abutments and acrylic sleeves should be wide enough to support interdental papillae without encroaching upon the papillae.

6. Based on anatomical space considerations assemble a tall or short acrylic sleeve to the abutment extra-orally.

7. Place selected shouldered abutment into implant with finger pressure only for fabrication of a transitional stabilization prosthesis.

8. Inject transitional crown material around incisal edge of acrylic sleeves making an acrylic strut or bridge between adjacent teeth.

9. Place a reinforcing fiber such as “Connect” by Kerr into lingual aspect of template so that transitional prosthesis may be stronger and have greater surface area for bonding to adjacent teeth. The reinforcing ribbon is usually not necessary when using sufficient bulk of integrity or DiamondCrown™ for the transitional prosthesis.

10. Place temporary crown material into occlusal half of vacuum-formed template and insert template over acrylic sleeves and strut intra-orally to form the transitional prosthesis.

11. Remove template and polish transitional prosthesis leaving lingual extensions.

12. Place polished transitional prosthesis onto abutment to confirm fit and occlusion. (Usually, no cement is required between the prosthesis and abutments, since the transitional prosthesis snaps onto the abutments.)

13. Bond transitional prosthesis to adjacent teeth in a secure manner to stabilize the transitional restoration. Alternatively, if care is taken the prosthesis may be bonded directly onto the adjacent teeth without being removed for polishing, especially when DiamondCrown™ is used as a veneer over the adjacent teeth.

14. IMPORTANT: Admonish patient that it is of paramount importance that there be NO movement of the bonded transitional prosthesis. Have patient return for additional bonding, if any movement of the transitional prosthesis is perceived.

15. After a minimum of 10 weeks of healing, the transitional prosthesis may be removed and the implants may be restored in the intended manner.

16. Final restorations and radiograph of Integrated Abutment Crowns.

 

Product News

NEW CONTENT! FREE Bicon CD: Call today for your free copy which includes over 100 clinical cases, three videos, the entire product catalog, FAQ, reference Literature & Publications and much more. Just added — “Immediate Stabilization and Functioning Technique” video. Version E0503 is the latest version; if that number does not appear on the Bicon CD you have, please call Bicon and the latest version will be sent to you.

STERILIZATION EXPIRATION DATES EXTENDED: Recent testing has demonstrated that all Bicon implants and abutments now have a sterility expiration of eight years. (Micro Test Laboratories, Inc., Agawam, MA • Test Report Sample # 03-01617 • May 21, 2003)

SPECIAL PRODUCT ANNOUNCEMENT! New Instrument Tray (260-104-099): The new instrument storage and sterilization tray has been designed to help your office organize your Bicon instruments and includes color coded labels for easy identification. The new plastic tray is autoclavable up to 275° (135°C) and sterilizable in dry heat up to 375° (190°C). The tray also allows for storage of try-in abutments and both handpieces.

 

Recent Literature & Publications

• Leary, J., & Hirayama, M., Extraction, Immediate-Load Implants, Impressions and Final Restorations in Two Patient Visits, JADA, Vol. 134, p. 715-720, June 2003

• Michael Gentile, Sung-Kiang Chuang, Thomas Dodson, 6.0 x 5.7mm Implants: Survival Estimates and Risk Factors for Failure, American Association of Dental Research, San Antonio, TX, March 2003

• S. Chuang, L. Wei, & T. Dodson, Predicting Dental Implant Survival by Use of the Marginal Approach of the Semi-parametric Survival Methods for Clustered Observations, J Dental Research 81 (12): 851-855, December, 2002

 

Research Update

The number of clinical and basic research studies at leading universities has increased significantly in the past eighteen months. Currently, Bicon is working with universities around the world including University of Alabama, Boston University, University of Cartagena, Dublin Institute of Technology, Frankfurt University, The Forsyth Institute, Hacettepe University, Harvard University, and Northeastern University.

 

Bicon Educational Opportunities & Events

As always, our calendar is replete with educational opportunities for you, your referring dentists, staff, and laboratory technicians. Courses, lectures, events, and exhibits are frequently added, so please refer to our online calendar for the most up-to-date information.