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Comparative Analysis of Root Dentin Loss when Using Modern Mechanical Cleaning Instruments in Immature Permanent
Krasimir Hristov1, Natalia Gateva1, Pavel Stanimirov1
1Medical University of Sofia, Sofia, Bulgaria.
Folia Medica
|July 16, 2020
Summary
New endodontic instruments, XP-endo Finisher and GentleFile Brush, removed less dentin volume from immature teeth compared to traditional H-file scraping. This finding is crucial for preserving tooth structure in regenerative endodontics.
Area of Science:
- Endodontics
- Dental Materials Science
- Regenerative Dentistry
Background:
- Complete decontamination and disinfection of the root canal system are vital for successful regenerative endodontic procedures.
- Limited data exists on mechanical cleaning of immature teeth using contemporary endodontic instruments.
Purpose of the Study:
- To compare dentin removal (thickness and volume) from immature teeth using XP-endo Finisher, GentleFile Brush, and H-file scraping.
- To evaluate the impact of different endodontic preparation techniques on root dentin structure.
Main Methods:
- 51 immature permanent molars were prepared without pulp extirpation.
- Teeth were divided into three groups: XP-endo Finisher, GentleFile Brush, and H-file scraping.
- Micro-computed tomography (micro-CT) assessed dentin thickness and volume before and after instrumentation.
Main Results:
- No significant difference in dentin thickness removed between XP-endo Finisher and GentleFile Brush.
- A statistically significant difference in dentin volume removed was observed between all groups.
- The H-file scraping technique removed the highest volume of dentin.
Conclusions:
- XP-endo Finisher and GentleFile Brush remove significantly less hard dental tissue than H-file scraping in immature teeth.
- These findings suggest contemporary instruments may offer a more conservative approach for regenerative endodontics.
