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Centering Ability and Influence of Experience When Using WaveOne Single-File Technique in Simulated Canals
Mathieu Goldberg1, Sandrine Dahan, Pierre Machtou
1Université paris 7 Diderot, UFR d'odontologie, 5 Rue Garancière, 75006 Paris, France.
International Journal of Dentistry
|November 3, 2012
Summary
The WaveOne endodontic instrument demonstrates excellent centering ability and a low risk of complications. Its simplified reciprocating motion ensures efficient root canal shaping, regardless of operator experience.
Area of Science:
- Endodontics
- Dental Materials Science
Background:
- Root canal shaping is crucial for endodontic treatment success.
- Traditional methods can be time-consuming and technique-sensitive.
- The WaveOne system offers a simplified, single-file reciprocating approach.
Purpose of the Study:
- To evaluate the centering ability of the WaveOne system in simulated root canals.
- To assess the influence of operator experience on WaveOne performance.
- To record shaping time, canal aberrations, and instrument integrity.
Main Methods:
- WaveOne instruments were used by an experienced operator and novice students in simulated L-shaped and S-shaped canals.
- Digital imaging assessed canal centering and transportation.
- Shaping time, instrument passes, and degradation were meticulously recorded.
Main Results:
- All groups achieved satisfactory and reproducible root canal shaping.
- Excellent centering ability was observed with low, homogeneous centering ratios.
- Minimal apical transportation (≤0.138 mm), no blockages, and no instrument separation were noted.
- Shaping time was consistently short, ranging from 43 to 101.6 seconds.
Conclusions:
- The WaveOne system exhibits superior centering ability in simulated root canals.
- It offers a low risk of procedural errors such as blockage or fracture.
- The instrument provides efficient shaping with short procedure times, irrespective of the operator's experience level.
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