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Fracture Resistance of Endodontically Treated Teeth Restored with Fiber Posts Luted with Composite Core Materials.
J Contemp Dent Pract. 2020 Apr 01; 21(4):383-389.JC

Abstract

AIM

This study aimed to investigate the influence of using dual-cure composite core materials for fiber post luting on the fracture resistance of endodontically treated maxillary central incisors.

MATERIALS AND METHODS

Fifty sound and recently extracted maxillary central incisors were endodontically treated and distributed into five groups. In the control group, access cavities were restored with the composite resin. Experimental groups had the coronal structure trimmed 2 mm above the cementoenamel junction. Teeth were restored with fiber posts and different combinations of luting and core materials: RelyX Unicem for post luting and MultiCore for core buildup; MultiCore for post luting and core buildup; RelyX Unicem for post luting and LuxaCore for core buildup; or LuxaCore for post luting and core buildup. All teeth were restored with zirconium crowns and subjected to thermocycling (6000 cycles 5/55°C). Loading of the teeth was applied at 135° to the palatal surface, using a universal testing machine at a cross-speed of 0.5 mm/minute until failure. The mode of failure was analyzed under a digital microscope.

RESULTS

The fracture resistance of the control group was significantly higher than the experimental groups (p < 0.05). There was no significant difference between the experimental groups (p > 0.05). All teeth demonstrated nonrestorable failures.

CONCLUSION

With the presence of the ferrule effect and crown restoration, the selected materials for post luting and core buildup have no significant influence on the fracture resistance of the endodontically treated teeth.

CLINICAL SIGNIFICANCE

The use of the same dual-cure composite core materials for fiber post luting and core buildup would simplify the clinical procedure without enhancement of the fracture resistance of the endodontically treated tooth.

Authors+Show Affiliations

Prosthetic Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia, Phone: +966 554744778, e-mail: asalshahrani@ksu.edu.sa.Prosthetic Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.Prosthetic Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.Prosthetic Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.Prosthetic Dental Sciences Department, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32584273

Citation

Alshahrani, Abdullah S., et al. "Fracture Resistance of Endodontically Treated Teeth Restored With Fiber Posts Luted With Composite Core Materials." The Journal of Contemporary Dental Practice, vol. 21, no. 4, 2020, pp. 383-389.
Alshahrani AS, Alamri HB, Nadrah FM, et al. Fracture Resistance of Endodontically Treated Teeth Restored with Fiber Posts Luted with Composite Core Materials. J Contemp Dent Pract. 2020;21(4):383-389.
Alshahrani, A. S., Alamri, H. B., Nadrah, F. M., Almotire, M. K., Alateeq, A. Y., Alshiddi, I. F., Habib, S. R., & Abu-Obaid, A. I. (2020). Fracture Resistance of Endodontically Treated Teeth Restored with Fiber Posts Luted with Composite Core Materials. The Journal of Contemporary Dental Practice, 21(4), 383-389.
Alshahrani AS, et al. Fracture Resistance of Endodontically Treated Teeth Restored With Fiber Posts Luted With Composite Core Materials. J Contemp Dent Pract. 2020 Apr 1;21(4):383-389. PubMed PMID: 32584273.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fracture Resistance of Endodontically Treated Teeth Restored with Fiber Posts Luted with Composite Core Materials. AU - Alshahrani,Abdullah S, AU - Alamri,Hassan B, AU - Nadrah,Faisal M, AU - Almotire,Moteb K, AU - Alateeq,Ahmed Y, AU - Alshiddi,Ibraheem F, AU - Habib,Sayed R, AU - Abu-Obaid,Ala'a I, Y1 - 2020/04/01/ PY - 2020/6/26/entrez PY - 2020/6/26/pubmed PY - 2020/7/1/medline KW - Core buildup KW - Fiber post KW - Fracture resistance KW - In vitro KW - Secondary monobloc Self-adhesive resin cements. KW - study SP - 383 EP - 389 JF - The journal of contemporary dental practice JO - J Contemp Dent Pract VL - 21 IS - 4 N2 - AIM: This study aimed to investigate the influence of using dual-cure composite core materials for fiber post luting on the fracture resistance of endodontically treated maxillary central incisors. MATERIALS AND METHODS: Fifty sound and recently extracted maxillary central incisors were endodontically treated and distributed into five groups. In the control group, access cavities were restored with the composite resin. Experimental groups had the coronal structure trimmed 2 mm above the cementoenamel junction. Teeth were restored with fiber posts and different combinations of luting and core materials: RelyX Unicem for post luting and MultiCore for core buildup; MultiCore for post luting and core buildup; RelyX Unicem for post luting and LuxaCore for core buildup; or LuxaCore for post luting and core buildup. All teeth were restored with zirconium crowns and subjected to thermocycling (6000 cycles 5/55°C). Loading of the teeth was applied at 135° to the palatal surface, using a universal testing machine at a cross-speed of 0.5 mm/minute until failure. The mode of failure was analyzed under a digital microscope. RESULTS: The fracture resistance of the control group was significantly higher than the experimental groups (p < 0.05). There was no significant difference between the experimental groups (p > 0.05). All teeth demonstrated nonrestorable failures. CONCLUSION: With the presence of the ferrule effect and crown restoration, the selected materials for post luting and core buildup have no significant influence on the fracture resistance of the endodontically treated teeth. CLINICAL SIGNIFICANCE: The use of the same dual-cure composite core materials for fiber post luting and core buildup would simplify the clinical procedure without enhancement of the fracture resistance of the endodontically treated tooth. SN - 1526-3711 UR - https://www.unboundmedicine.com/medline/citation/32584273/Fracture_Resistance_of_Endodontically_Treated_Teeth_Restored_with_Fiber_Posts_Luted_with_Composite_Core_Materials_ DB - PRIME DP - Unbound Medicine ER -