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Transitional implants in computer-assisted implant surgery and fixed complete-arch provisionalization: A
Ignacio Pedrinaci1,2, Betty Ben Dor3, Dominique Rousson1
1Department of Restorative Dentistry and Biomaterials Science, Harvard School of Dental Medicine, Harvard University, Boston, Massachusetts, USA.
Clinical Implant Dentistry and Related Research
|November 17, 2024
Summary
Transitional implants (TIs) effectively support surgical guides and provisional prostheses in complete arch rehabilitations, demonstrating a high success rate for predictable implant placement and immediate restorations.
Area of Science:
- Dental Implantology
- Prosthodontics
- Surgical Guides
Background:
- Transitional implants (TIs) offer an alternative to mucosa-supported guides in complete arch implant rehabilitations.
- TIs can facilitate immediate fixed provisionalization, potentially improving patient outcomes.
Purpose of the Study:
- To evaluate the success of transitional implants (TIs) in supporting surgical guides.
- To assess the efficacy of TIs in supporting complete arch provisional prostheses.
Main Methods:
- Retrospective evaluation of 26 patients (35 jaws) who received TIs between 2012 and 2023.
- Data collected included TI functionality, placement dates, and survival/success rates.
- Descriptive statistics were used for analysis.
Main Results:
- TIs demonstrated a 97% success rate in supporting surgical guides and provisional prostheses.
- The survival rate of TIs was 74.26%, with regular implant survival at 98%.
- Most provisional prostheses were supported by TIs and regular implants until final restoration.
Conclusions:
- Transitional implants provide a predictable method for supporting surgical guides and provisional prostheses in complete arch restorations.
- Despite some TI loss, the approach successfully supported provisional restorations until definitive implants were loaded.
- The use of TIs is a viable strategy for enhancing predictability in complete arch implant rehabilitations.

