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The Self Adjusting File

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Information about The Self Adjusting File
Science-Technology

Published on July 1, 2010

Author: ReDent_Nova

Source: authorstream.com

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Slide 2: A hollow file; Elastic; Compressible; Made of nickel-titanium lattice Slide 3: The SAF is used as a single instrument to achieve complete 3D root canal shaping, cleaning and Irrigation. Slide 4: “Sand Paper” Abrasive Surface Pressure Repeated Motion SAF Mode of Action Slide 5: Roughness : 2.8 µm ± 10% 1. Abrasive surface 2. Compression : The hollow design enables the SAF to be elastically compressed along its cross section (A) when inserted into a canal previously negotiated with a no. 20 K file (B). 2. Compression 3. Gradual Expansion : Attempting to expand, the SAF applies light continuous pressure along the entire circumference of the root canal wall. 3. Gradual Expansion 4. Repeated Motion : Operated with a gentle vertical vibration 5,000 strokes per minute, the file achieves a gradual enlargement of the root canal 4. Repeated Motion 0.4 mm 5. Adapting to the Canal in 3D : The SAF is extremely flexible and pliable. It does not impose its shape on the canal but rather complies with the canal’s original shape. This is true both longitudinally (A) and circumferentially (B). The long axis of the canal is kept at it’s original place throughout the length of the canal 5. Adapting to the Canal in 3D (A) (B) Slide 10: Adaptation to Longitudinal Curvature Slide 11: Mandibular Incisor Adaptation to the Cross Section Slide 12: A 32 Cross Sections 6mm Slide 13: An Extreme Case Slide 14: 2nd Lower Molar TLS 16 Slide 15: 0° - 45° - 180° 90° 45° 1 mm 3D View Before Preparation C-Shaped Canal Slide 16: SAF preparation 0° - 40° - 120° - 80° 120° 80° 40° Green: before preparation Red: after preparation 1 mm Slide 17: Cross Sections 4mm 2mm Slide 18: 6. Continuous irrigation The SAF’s hollow design allows for continuous irrigation of the root canal through its lumen Slide 19: Continuous Irrigation with Activation & Scrubbing 7. Safety in Use : 7. Safety in Use High Durability : No File Separation Slide 22: Mechanical Failure Patterns Slide 23: Mechanical Failure Patterns Slide 24: The SAF is available in three standard lengths: 21mm, 25mm and 31mm Slide 25: LCD Display Flow Control Buttons Foot Switch VATEA - SAF System Irrigator VATEA © Slide 26: Irrigation Solution Reservoir 400 ml VATEA - SAF System Irrigator VATEA © Slide 27: Israel – MOH Approval (AMAR) United States – FDA Approval Europe– CE Approval Russia – MOH Approval SAF – Regulatory Status Clinical Evidence : Clinical Evidence Basic Science : Basic Science Root Canal Cleanliness (SEM) : Root Canal Cleanliness (SEM) Slide 33: Canal Wall Free of Debris Coronal Third Middle Third Apical Third 61% 100% 60% 100% 39% 100% ** SAF * Rotary * 4 published articles **Metzger et al, J Endod 36:697-702, 2010 Slide 34: Canal Wall Free of Smear Layer 37% 100% 37% 80% 25% 65% * 4 published articles **Metzger et al, J Endod 36:697-702, 2010 Coronal Third Middle Third Apical Third ** SAF * Rotary Slide 35: Apical Mid-Root Coronal D75 X 500 Publications in progress : Publications in progress Analyzing Root Canal Treatment Results Using High Resolution μCT : Analyzing Root Canal Treatment Results Using High Resolution μCT Slide 38: Paqué et al 2009 SAF Current Study ProFile ProTaper Flexmaster Lightspeed GT NiTi K File Percent Untreated Root Canal Surface Adapted from: Paqué et al J Endod 35:1056-9, 2009 Slide 39: (1) (2) (1) Peters et al, Int Endod J 2003, 36:86-92 (2) Metzger et al, on-going study Canal Transportation* (µm) P MB DB * CM shift Slide 40: (1) (2) (1) Peters et al, Int Endod J 2003, 36:86-92 (2) Metzger et al , on-going study Canal Straightening (%) P MB DB Analyzing Root Canal Obturation Using High Resolution μCT : Analyzing Root Canal Obturation Using High Resolution μCT Slide 42: Obturation Study - Treatment Analysis Red: Area unaffected by the file Treated by SAF Treated by Rotary file Slide 43: Yellow: Area untouched by the RCF Obturation Study - Obturation Analysis Treated by SAF Treated by Rotary file Slide 44: Correlation between % Unaffected Canal Wall and % untouched by RCF ● Treated by SAF  Treated by Rotary file Clinical Trials : Clinical Trials Slide 46: 2009: Clinical Trials Slide 47: March 2010 >250 Clinical Cases Slide 48: * * * * * * * Slide 49: Thank You!

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