1. Endodontic Sealers- Their Properties and Effects on Fiber Post Retention www.hi-dentfinishingschool.blogspot.com

2. To obtain fiber post retention with 2 endodontic sealers and 2 cements Purpose

5. Evolution of the Fiber Post 1995: C-POST 1997: AESTHETI-POST 1998: U.M. AESTHETI-PLUS 1999: AESTHETI-PLUS 1999: LIGHT-POST 2001 D. T. (double-taper) LIGHT-POST ®

21. Fluid Filtration Technique Hasan O, et al. Apical Leakage of Resin Based Root Canal Sealers with a New Computerized Fluid Filtration Meter JOE 2005

27. Study Design 40 mandibular premolars 10 teeth +ZOE+ fiber post+ Rely X Unicem 10 teeth+ ZOE + fiber post+ Panavia F 2.0 10 teeth + GICs+ fiber post +Rely X Unicem 10 teeth+ GICs+ fiber post +Panavia F2.0

28. Gutta-percha Paper point Sealers Files Finger spreader Materials

29. Fiber Post -3M ESPE RelyX Unicem Panavia F 2.0 Materials (con’t)

32. F. Zicari.E.Couthino. Jan DM. Bonding and sealing ability of fiber post bonding.2008 Post Preparation

33. Control length with Peeso Reamer Post space prepared With Drill Injecting self etching primer Injecting self etching primer

34. Injecting mixed Panavia F2 Post placement Light curing 20 sec

35. Self- adhesive System Mixing Unicem Coating post with Unicem Unicem cemented post Cured for 20 sec

36. Universal Testing Machine (Instron) Push-out Test

38. Keyence Microscope (3D) Measuring dye penetration Cleared specimens

40. SEM Evaluation

41. Results

42. The Three Way Analysis (ANOVA) of Post Bond Strength 0.4884 11.529 Sealer*Cement 0.0752 76.986 Cement 0.8318 1.080 Sealer 0.06012 12.192 Third Section P-value Mean Square Source

43. Bond Strength (MPa) -Mean and Std of four group 12 ±2.5 Rely X Unicem Zinc Oxide Eugenol 8 ±1.2 Panavia F 2.0 Zinc Oxide Eugenol 10.3 ± 1.3 Rely X Unicem Glass Ionomer 7.7 ± 2.6 Panavia F 2.0 Glass Ionomer Mean ±SD Cement Sealer

44. Interaction between Post Retention, Sealer Type and Cement

45. Failure Mechanism Resin cement adhered to the post surface. 100X SEM Evaluation

47. PanaviaF2- Root Canal Dentin

49. Mean ±SD for Microleakage (mm) 2.1 ± 0.4 1.5 ± 0.3 Mean ±SD Zinc Oxide Eugenol Glass Ionomer Sealer

50. Mean ±SD for Microleakage

51. Discussion

56. Conclusion

59. Thank You