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  • 1. ENDo_0 Prepared by : Osama Ahmad Almasry .. Level 7 Course Director : Dr . M. Altammimi
  • 2. Goals of Root canal instruments To provide biologic environment to healing • To develop canal shape to healing •
  • 3. Endo instruments :: 1 Hand instruments • “ mouth mirror , Endo Explorer , Endo excavator , Endo plugger , Locking pliers , plastic instrument , Spreader “ 2 Instruments for pulp space preparation •Group I Hand & finger operated instruments ( Barbed broach , Rasps , K files , Hedstrom file ) Group II Low speed instruments Group III Engine driven instruments of similar to group one
  • 4. Types of files :: Traditional : carbon steel • Stainless steel • Niti : nickel titanium •
  • 5. Mouth mirror
  • 6. Endo Explorer Two straight # very sharp end For Exploration of canal orifices
  • 7. Endo Explorer
  • 8. Endo spreader ( Hand ) ( Finger ) For compaction of gutta percha during obturation - Pointed tip - Hand or finger
  • 9. Endo Spreader
  • 10. Finger SpreadersFinger size # 15Finger size # 20Finger size # 25
  • 11. Explorer vs spreaderExplorer spreader
  • 12. Endo Excavator - Much longer offset from long axis - Sharp to cut pulp tissue
  • 13. Locking pliers Grooves to hold paper point And Gutta percha points
  • 14. College Pliers Perry PliersFine tip for work within small pulp chamber
  • 15. Plastic instrument
  • 16. Endo plugger (hand ) - Flat tip - Depth orientation grooves - Hand or finger - Can be heated
  • 17. Finger pluggers can be precurved tofacilitate condensation. They are generally used deeper in the canal
  • 18. Schilder Pluggers: Note that handles usedin the School are NOT color coordinated and vary quite a bit
  • 19. Heat Transfer Instruments Spreader – like design • Designed for repeated heating •
  • 20. Chamber roof is left in the the maxillary premolar (L). The • other image (R) demonstrates what the access looks like immediately after un-roofing the chamber. The access needs to be completed with a tapered diamond
  • 21. Transfer sponge
  • 22. Gates-Glidden Bur
  • 23. Pesso Reamers /•
  • 24. Lentulo Spirals
  • 25. Hedstrom Files (H- file) Endodontic Files #15-40k-file #15-40 25mm lengthk-file #15-40 31mm lengthK-file #45-80 25mm lengthK-file #10 25mm lengthK-file #10 31mm length Endo File
  • 26. Barbed broaches
  • 27. Endo Ruler
  • 28. Gutta percha
  • 29. Paper point
  • 30. Sealer
  • 31. REAMER The angle between the long-axis and the cutting blade is small,which is why preparation by reamer is effective only in rotating motion.
  • 32. REAMER A reamer is manufactured from a triangular or square steel wire that is twisted to give the typical shape of a reamer.
  • 33. K-FILE K-files are manufactured from square or sometimes triangular steel wire that is twisted to give the typical shape of a K-file. The angle The tip of the instrument is cutting which makes the K-file best suited for the preparation of straight canals. between the long-axis and the cutting blade is greater than in a reamer,
  • 34. FLEXOREAMER Flexoreamers are manufactured from a triangular steel wire that is twisted to give the typical shape of a reamer The angle between the long-axis and the cutting blade is small, and therefore preparation by flexoreamer is effective only in rotatory motion.
  • 35. FLEXOFILE Flexofiles are manufactured from triangular (note!) steel wire that is twisted to give the typical profile of a K-file. The angle between the long-axis and the cutting blade is bigger than in reamers, which is why preparation by flexofile is effective both in rotating motion and in filing motion (up and down movement)
  • 36. HEDSTR0EM FILE Hedstroem files are manufactured from round steel wire by grinding. The angle between the long-axis and the cutting blade is close to right angle, which is why preparation by Hedstroem files is effective only when using a filing motion (up and down movement).
  • 37. NITI NiTiflex-files are manufactured from nickel-titan wire that is ground to give the typical profile of a K-file. The angle between the long-axis and the cutting blade is bigger than in reamers, and therefore preparation by NiTiflex-file is effective both in rotating motion and in filing motion (up and down movement).
  • 38. Total of 6 radiographs will be taken and mounted for each case. Preoperative radiograph (without rubber dam). • Working length radiograph (with rubber dam). • Master apical file radiograph (with rubber dam). • Master cone radiograph (with rubber dam). • Intermediate radiograph (with rubber dam). • Final radiograph (without rubber dam). • A Diagnostic Endodontic Film requires that: The tooth is centered on the film.At least 5mm of bone beyond the apex of the tooth is visible. The image is as anatomically correct as possible.
  • 39. To be continued .. •