Effect of Intra-Orifice Barriers on the Fracture Resistance of Endodontically Treated Teeth – An Ex-Vivo Study

Aim:To compare and evaluate the root reinforcement potential of four different intraorifice barriers: Mineral trioxide aggregate (MTA), resin-modified glass ionomer cement (RMGIC), fiber-reinforced composite (FRC), and nanohybrid composite (NC).Materials and Methods:Seventy-five mandibular premolars were decoronated to a standardized length, and prepared and obturated with gutta-percha and AH Plus sealer. Except for control specimens, the coronal 3-mm gutta-percha was removed and filled with different materials. The specimens (75) were divided into five groups (n = 15) on the basis of the intraorifice barrier material used. Group 1: MTA, Group 2: RMGIC, Group 3: FRC, Group 4: NC, Group 5: no barrier (control). Fracture resistance of the specimens was tested.Results:Fracture resistance of roots was significantly affected by the type of intraorifice barrier used and the following pattern was observed: RMGIC > FRC > NC > MTA.Conclusion:Intraorifice barriers can be regarded as a viable choice to reduce the occurrence of postendodontic root fractures. Among the four tested materials, RMGIC showed the maximum reinforcement.

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“…(2015) also have reported RMGIC and flowable resin to be an effective intraorifice barrier with significantly high resistance. [ 13 ]…”

Section: Discussionmentioning

confidence: 99%

Anin vitrocomparative evaluation of different intraorifice barriers on the fracture resistance of endodontically treated roots obturated with gutta-percha

et al. 2016

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“…Results are similar to the study by Aboobaker et al . [ 6 ] who showed that composite resins were effective in increasing fracture resistance as intraorifice barrier compared to bonded amalgam and RMGIC.…”

Section: Discussionmentioning

confidence: 99%

“…Using materials with a modulus of elasticity and compressive strength close to dentin and which can bond well to dentinal walls of root canal in the orifice, may not only provide good coronal seal but may also provide stiffness and resistance against forces that generate root fractures. Conventionally, few materials such as GIC, RMGIC, composites have been evaluated[ 6 7 ] for their use as intraoffice barrier, but not many studies[ 8 9 ] have reported the use of Biodentine as a barrier material. As it has a low modulus of elasticity and has been successfully evaluated for its reinforcing effect on immature teeth when used in apexification,[ 10 ] so it might give favorable results as intraorifice barrier.…”

Section: Introductionmentioning

confidence: 99%

A comparative evaluation of fracture resistance of endodontically treated teeth using four different intraorifice barriers: An in vitro study

Chauhan¹,

Garg²,

Mittal³

et al. 2019

J Conserv Dent

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Aim: The aim of this study is to evaluate and compare the fracture resistance of endodontically treated teeth using four intraorifice barriers. Materials and Methods: Fifty extracted single-rooted mandibular premolars were selected, decoronated, and prepared with rotary Protaper universal system and obturated with gutta-percha and AH Plus sealer. Samples were divided into five groups ( n = 10) on the basis of intraorifice barrier material used. Group 1: Biodentine, Group 2: Conventional glass ionomer cement (GIC), Group 3: Resin-modified glass ionomer cement (RMGIC), Group 4: Nanohybrid composite, Group 5: No barrier (control).Except for control specimens, coronal 3-mm gutta-percha was removed and filled with different intraorifice barrier materials in respective groups. Fracture resistance of specimens was tested using universal testing machine. Statistical Analysis Used: One-way analysis of variance test and Post hoc Tukey's test. Results: Mean fracture resistance of all experimental groups (with intraorifice barriers placed) were higher than control group (no intraorifice barrier placed). Biodentine showed the highest mean fracture resistance while RMGIC showed the least and the difference between their mean fracture resistance was statistically significant. There was no statistically significant difference among other experimental groups. Conclusion: Placement of intraorifice barriers in endodontically treated teeth can significantly increase fracture resistance and this increase in fracture resistance is material dependent.

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“…Glass Ionomer cement, GIC Fuji VII (GC Dental, Japan) was placed on top of the gutta-percha to prevent coronal microleakage [35,37]. GIC can be used as intra-orifice barriers with good resistance to fracture in endodontically treated teeth and offers a higher sealing ability when placed at 1mm and 2mm compared to composite [99,100].…”

Section: Discussionmentioning

confidence: 99%

Management of a severely curved canal with Proglider and WaveOne gold compounded with a separated instrument

Nyongesa¹,

Dey²,

Viloria³

et al. 2019

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Recently, files manufactured with gold or blue technology improve material properties that increase their fatigue resistance and flexibility in comparison to the superelastic nickel-titanium files [14, 15]. WaveOne Gold (Dentsply Sirona) is a reciprocating file with the GOLD alloy technology. The file is heated and then slowly cooled, rather than the M-Wire technology involving heat treatment before the manufacturing. In Management of a severely curved canal with Proglider and WaveOne gold compounded with a separated instrument 2

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Effect of Intra-Orifice Barriers on the Fracture Resistance of Endodontically Treated Teeth – An Ex-Vivo Study

Cited by 17 publications

References 26 publications

Anin vitrocomparative evaluation of different intraorifice barriers on the fracture resistance of endodontically treated roots obturated with gutta-percha

Anin vitrocomparative evaluation of different intraorifice barriers on the fracture resistance of endodontically treated roots obturated with gutta-percha

A comparative evaluation of fracture resistance of endodontically treated teeth using four different intraorifice barriers: An in vitro study

Management of a severely curved canal with Proglider and WaveOne gold compounded with a separated instrument

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