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A 10-year literature review of a split-shanked threaded post
B I Cohen1, B L Musikant, A S Deutsch
1Essential Dental Laboratories, South Hackensack, New Jersey, USA.
Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|June 1, 1995
Summary
The Flexi-Post, a split-shanked threaded post, demonstrates high retention without causing high stress. This review supports its validity over other post systems.
Area of Science:
- Dental materials science
- Prosthodontics
Background:
- Prefabricated posts are widely used in endodontically treated teeth.
- Both threaded and passive post systems have been evaluated for retention and stress distribution.
- The split-shanked threaded post design offers a unique approach to post placement.
Purpose of the Study:
- To review 10 years of literature on prefabricated post systems.
- To evaluate the validity and performance of the split-shanked threaded post (Flexi-Post).
- To compare the retention and stress characteristics of split-shanked threaded posts with other designs.
Main Methods:
- Literature review of studies published over the last decade.
- Analysis of research focusing on prefabricated threaded and passive post systems.
- Examination of studies specifically investigating the Flexi-Post design.
Main Results:
- The Flexi-Post exhibits high retention rates.
- Recent literature supports the clinical validity of the split-shanked threaded post design.
- High retention of the Flexi-Post is not associated with high stress levels.
Conclusions:
- The split-shanked threaded post (Flexi-Post) is a valid and reliable option for post-endodontic restorations.
- This design offers excellent retention without compromising the tooth structure with excessive stress.
- Clinicians should consider the distinct properties of split-shanked threaded posts compared to solid-shanked designs.