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Analysis of the endogrammes developed during obturations on extracted teeth using system B
Journal of Endodontics
|November 22, 2001
Summary
System B, a novel root canal obturation technique, demonstrates optimal gutta-percha plasticity by utilizing controlled vertical forces and significant wedging effects. This method ensures effective tridimensional filling of the root canal system.
Area of Science:
- Endodontics
- Dental Materials Science
- Biomechanical Engineering
Background:
- Tridimensional root canal filling relies on effective force application during obturation.
- Understanding the biomechanics of new obturation techniques is crucial for clinical success.
Purpose of the Study:
- To analyze the forces and wedging effects of the System B obturation technique using the Endographe.
- To evaluate the relationship between force application, gutta-percha plasticity, and canal filling.
Main Methods:
- Utilized the Endographe device to measure vertical and horizontal forces and wedging effects.
- Employed System B with two plugger withdrawal methods (burst heat vs. cold withdrawal).
- Conducted 50 obturations on extracted teeth and 50 on a specialized Endographe holder.
Main Results:
- System B exhibited mean vertical forces of 16 ± 2 N, horizontal forces of 5 ± 1 N, and a wedging effect of 9 ± 1 N.
- The technique demonstrated favorable low vertical forces and high wedging effects, correlating with gutta-percha plasticity.
- Endogrammes provided visual data on force sequences and wedging effects.
Conclusions:
- System B is a highly effective root canal obturation technique, optimizing gutta-percha plasticity.
- The Endographe offers a novel method for analyzing and demonstrating optimal manipulation of obturation systems like System B.