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Apical microleakage evaluation of system B compared with cold lateral technique: In vitro study
Manal Farea1, Sam'an Masudi, Wan Zaripah Wan Bakar
1Conservative Department, School of Dental Sciences, Universiti Sains Malaysia, Health Campus, Kelantan, Malaysia. ghorafi44@yahoo.com
Summary
This study compared apical sealing in root canals filled with cold lateral condensation versus System B techniques. System B demonstrated superior sealing ability, showing significantly less leakage than cold lateral condensation.
Area of Science:
- Endodontics
- Dental Materials Science
Background:
- Effective apical sealing is crucial for endodontic treatment success.
- Inadequate sealing can lead to persistent infections and treatment failure.
- Various obturation techniques exist, each with potential advantages and disadvantages.
Purpose of the Study:
- To compare the in vitro apical sealing performance of cold lateral condensation and System B root filling techniques.
- To quantify microleakage associated with each obturation method.
Main Methods:
- Eighty-six extracted single-rooted human teeth were used.
- Teeth were divided into two groups for obturation using cold lateral condensation or System B.
- Roots were subjected to dye penetration testing using methylene blue and evaluated under a stereomicroscope.
Main Results:
- The System B obturation technique exhibited significantly less apical leakage compared to cold lateral condensation (P < 0.001).
- Cold lateral condensation showed a higher degree of dye penetration, indicating poorer sealing.
Conclusions:
- The System B technique provides superior apical sealing compared to cold lateral condensation in vitro.
- These findings suggest System B may be a more effective method for achieving a hermetic seal in root canal fillings.