EM UG Obturation Feb07Edited - acpmdental.com
Transcript of EM UG Obturation Feb07Edited - acpmdental.com
![Page 1: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/1.jpg)
Lecture 8Lecture 8
Obturation of the RCSObturation of the RCS
DYD SamarawickramaDYD Samarawickrama
20072007
Note : Copyright material has been removed.Note : Copyright material has been removed.
![Page 2: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/2.jpg)
Coronal seal
Root Canal Filling
![Page 3: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/3.jpg)
Success of ObturationSuccess of Obturation
Quality of access cavity designQuality of access cavity design
Thorough Thorough cleaningcleaning and and shaping shaping of the RCSof the RCS
![Page 4: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/4.jpg)
Well filled Root Canal SystemWell filled Root Canal System
Prevents percolation of periapical Prevents percolation of periapical exudate into the root canal space exudate into the root canal space Prevents rePrevents re--infectioninfectionCreates a favourable biologic Creates a favourable biologic environment for the process of environment for the process of tissue healingtissue healing
![Page 5: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/5.jpg)
When to ObturateWhen to Obturate
Tooth is asymptomaticTooth is asymptomaticCanal is dryCanal is dryNo sinus tractNo sinus tractNo foul odourNo foul odourIntact temporary fillingIntact temporary filling
![Page 6: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/6.jpg)
Root Canal Filling MaterialsRoot Canal Filling Materials
PastesPastesSemisolidSemisolid
![Page 7: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/7.jpg)
PastesPastes
Zinc Oxide Zinc Oxide –– Eugenol sealersEugenol sealersCalcium hydroxide sealersCalcium hydroxide sealersSynthetic resinsSynthetic resinsEpoxy resinsEpoxy resinsAcrylic, polyethylene and Acrylic, polyethylene and polyvinyl resins polyvinyl resins
![Page 8: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/8.jpg)
GrossmanGrossman’’s Sealers Sealer
PowderPowder Zinc oxideZinc oxideStabelyte resinStabelyte resinBismuth subcarbonateBismuth subcarbonateBarium sulphateBarium sulphateSodium borateSodium borate
LiquidLiquid EugenolEugenol
![Page 9: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/9.jpg)
Zinc Oxide Sealer
![Page 10: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/10.jpg)
Zinc Oxide Eugenol Sealers
![Page 11: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/11.jpg)
Calcium Hydroxide SealersCalcium Hydroxide Sealers
![Page 12: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/12.jpg)
Resin Based Sealers
![Page 13: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/13.jpg)
Semi Semi -- solidsolid
Gutta PerchaGutta Percha
ResilonResilon
![Page 14: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/14.jpg)
Gutta Percha Gutta Percha -- AdvantagesAdvantages
Adaptable and Adaptable and compactablecompactableSoftened by heat Softened by heat or solventsor solventsInert and tissue Inert and tissue toleranttolerantDimensionally Dimensionally stablestable
RadioRadio--opaqueopaqueWill not stain Will not stain tooth structuretooth structureEasily removed Easily removed from canalfrom canalNon allergenicNon allergenic
![Page 15: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/15.jpg)
Gutta Percha Gutta Percha -- DisadvantagesDisadvantages
Lacks rigidity Lacks rigidity --> freeze > freeze --> rigid> rigidLacks adhesive qualityLacks adhesive qualityCan be displaced by pressureCan be displaced by pressure
![Page 16: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/16.jpg)
Bonded ObturationBonded Obturation
ResilonResilon
EpiphanyEpiphanyRealSealRealSeal
![Page 17: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/17.jpg)
Obturation TechniquesObturation Techniques
Lateral and Vertical CondensationLateral and Vertical CondensationThermafilThermafilMicrosealMicrosealObtura IIObtura IISystem BSystem BMiscellaneousMiscellaneous
![Page 18: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/18.jpg)
![Page 19: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/19.jpg)
![Page 20: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/20.jpg)
![Page 21: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/21.jpg)
![Page 22: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/22.jpg)
![Page 23: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/23.jpg)
![Page 24: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/24.jpg)
![Page 25: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/25.jpg)
Obturate in 3DObturate in 3D
Conventional radiographic viewConventional radiographic view
![Page 26: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/26.jpg)
ObturationObturation
Radiographs do not show poor Radiographs do not show poor obturation in 3Dobturation in 3DTramlines might give a clueTramlines might give a clue
![Page 27: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/27.jpg)
ObturationObturation
Examples of poor obturationExamples of poor obturation
![Page 28: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/28.jpg)
HoweverHowever……..
The apical extent of root filling has The apical extent of root filling has significant influence on outcome:significant influence on outcome:–– Flush root fillings have higher success Flush root fillings have higher success
rates than short or long root fillingsrates than short or long root fillings–– Meta analyses 28 studiesMeta analyses 28 studies
Short> 2 mm short of the radiographic apex
Flush0 – 2 mm within the radiographic apex
LongExtruded beyond radiographic apex
![Page 29: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/29.jpg)
Obturation TechniquesObturation Techniques
Lateral and Vertical CondensationLateral and Vertical CondensationThermafilThermafilMicrosealMicrosealObtura IIObtura IISystem BSystem BMiscellaneousMiscellaneous
![Page 30: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/30.jpg)
![Page 31: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/31.jpg)
![Page 32: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/32.jpg)
Obturation TechniquesObturation Techniques
Lateral and Vertical CondensationLateral and Vertical CondensationThermafilThermafilMicrosealMicrosealObtura IIObtura IISystem BSystem BMiscellaneousMiscellaneous
![Page 33: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/33.jpg)
![Page 34: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/34.jpg)
![Page 35: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/35.jpg)
Obturation TechniquesObturation Techniques
Lateral and Vertical Lateral and Vertical condensationcondensationThermafilThermafilMicrosealMicrosealObtura IIObtura IISystem BSystem BMiscellaneousMiscellaneous
![Page 36: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/36.jpg)
![Page 37: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/37.jpg)
Bonded ObturationBonded Obturation
ResilonResilon
EpiphanyEpiphanyRealSealRealSeal
![Page 38: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/38.jpg)
ResilonResilon
Thermoplastic synthetic polymer Thermoplastic synthetic polymer root canal filling materialroot canal filling material
PrimerPrimerSealerSealerCore materialCore material
![Page 39: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/39.jpg)
![Page 40: EM UG Obturation Feb07Edited - acpmdental.com](https://reader031.fdocuments.net/reader031/viewer/2022011923/61d8d35b7aa34f20c2363840/html5/thumbnails/40.jpg)