Assessment of Fracture Resistances of Endodontically Treated Teeth Filled with Different Root Canal Filling Systems

Chandra, Padma; Singh, Vishal; Singh, Shelly; Agrawal, Govind Nandkumar; Heda, Amit; Patel, Nikita

doi:10.4103/jpbs.jpbs_573_20

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…Therefore, in this study, the canals were prepared using the step-down technique with heat-treated Ni-Ti files. A lateral condensation technique with gutta-percha and resin sealer was utilized because it was found that this technique and the Thermafil technique had the best fracture resistance between the different root canal filling methods [ 20 ]. Many materials used for direct core build-up include amalgam, composite, and glass ionomer cement [ 10 ].…”

Section: Discussionmentioning

confidence: 99%

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An Evaluation of the Fracture Resistance of Endodontically Treated Teeth Restored With Two Types of Posts (Diamond Posts and Fiber Posts): An In Vitro Study

Hussam Eddien,

Abdullah

2023

Cureus

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Objectives: The aim of this study is to compare the fracture resistance and the mode of failure of endodontically treated permanent mandibular premolars restored with two types of posts: diamond posts and glass-fiber posts. Materials and methods: Forty human mandibular premolars indicated for orthodontic extraction were collected for this study and were similar in shape, size, and length. The teeth were sectioned horizontally, 1 mm above the cementoenamel junction. Root canal treatment was carried out on all specimens, and obturation was done by lateral condensation. The teeth were randomly divided into two groups. The post space was prepared in the first group to receive the diamond posts and in the second group to receive the fiber posts. A dual-cure resin material was used for cementing the posts and building up the cores. Then, they were subjected to a compressive load at a cross-head speed of 1 mm per minute and at an angle of 135 degrees to the long axis of the tooth until a fracture occurred using a universal testing machine. Fracture resistance and the mode of failure were assessed. The fracture above the acrylic block level was considered favorable, and the fracture below the acrylic block level was considered unfavorable. The data were analyzed statistically. The statistical analysis of fracture resistance between the two groups was carried out with a t-test. The statistical analysis for the failure mode of the teeth was carried out with a chi-square test. Results: There was a statistically significant difference showing that the diamond posts had better fracture resistance when compared with glass-fiber posts, while there was no statistically significant difference in terms of the failure mode between the two posts. Conclusion: Within the limitations of this study, it can be concluded that diamond posts showed higher fracture resistance than glass-fiber posts. Glass-fiber posts showed more favorable failure modes but were statistically insignificant compared to diamond posts.

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Section: Discussionmentioning

confidence: 99%

“…A lateral condensation technique with gutta-percha and resin sealer was utilized because it was found that this technique and the Thermafil technique had the best fracture resistance between the different root canal filling methods [20].…”

Section: Discussionmentioning

confidence: 99%

An Evaluation of the Fracture Resistance of Endodontically Treated Teeth Restored With Two Types of Posts (Diamond Posts and Fiber Posts): An In Vitro Study

Hussam Eddien,

Abdullah

2023

Cureus

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Effects of radiotherapy dose and application time on the load-to-failure values of teeth filled with different sealers

Gulderen,

Saricam,

Gökhan Açikgöz

et al. 2024

BMC Oral Health

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Background The materials used in root canal filling and radiotherapy (RT) application can affect the load-to-failure of the teeth. This study aimed to compare the load-to-failure of the teeth filled with AH Plus (AHP) or AH Plus bioceramic (AHPB) before or after 60 Gy- and 70 Gy-dose radiotherapy. Materials and methods One hundred and ten maxillary incisors were endodontically prepared up to ProTaper Next X4 instruments. The teeth were randomly divided into 5 main groups as: non-irradiated, root canal treatment (RCT) before 60 Gy radiotherapy, RCT before 70 Gy radiotherapy, RCT after 60 Gy radiotherapy, RCT after 70 Gy radiotherapy. These groups were divided into 2 subgroups for filling material: AHP ve AHPB. After filling and radiotherapy procedures, the teeth were fixed on the thermoplastic mask plane. The plane were placed in the middle of a rectangular prism shaped glass phantom, and irradiated via a linear accelerator device. The teeth were then embedded in cylindrical acrylic blocks and the force (N) that caused the fracture was recorded under the Universal testing device. Student t-test was used for statistical comparisons. Statistical significance level was determined as p < 0.05. Results After 70 Gy dose radiotherapy, the group filled with AHPB showed statistically significantly lower fracture strength than the group filled with AHP ( p < 0.05). In the control group, before 60 Gy RT group, after 60 Gy RT group, and before 70 Gy RT group, the sealers had statistically significantly similar load-to-failure. ( p > 0.05). Conclusion The group filled with AHPB caused a lower fracture strength than the group filled with AHP following a 70 Gy dose of RT. The sealers in the control group, before 60 Gy RT group, after 60 Gy RT group, and before 70 Gy RT group exhibited comparable load-to-failure values.

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Comparative assessment of vertical fracture resistance in endodontically treated roots with different obturating systems and techniques: a systematic review and network meta-analysis of in vitro studies

Li,

et al. 2024

BMC Oral Health

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Background This study conducted a thorough assessment of vertical root fracture (VRF) resistance of endodontically treated teeth filled with various canal-filling systems and techniques through frequentist network meta-analysis (NMA). Methods A systematic literature search was performed to retrieve relevant publications using PubMed, Embase, ScienceDirect, Web of Science, and Cochrane Library databases. The retrieval time range was from Jan 2000 to Sep 2023. The literature selection and data extraction were independently conducted by two investigators. Eligible studies were critically appraised for risk of bias and quality of evidence. Subsequently, we used the ‘network’ package in Stata/MP 17.0 software to compare the VRF resistance of roots treated with different obturating systems or techniques. Results Forty-eight trials involving 2724 single-canal roots were included in the NMA. The surface under the cumulative ranking curves indicated that Resilon/Epiphany (80.8%), although outdated, provided the highest VRF resistance among all obturating systems. This was followed by GP/iRootSP (55.5%), GP/MTA-Plus (47.9%), GP/AH-Plus (47.4%), GP/AH-26 (45.9%), and GP/ZOE (12.3%). The roots filled with Resilon/Epiphany showed better VRF resistance as compared to those filled with gutta-percha/AH-Plus (SMD = 0.77, 95%CI 0.10 to 1.45) and gutta-percha/zinc oxide eugenol (SMD = 1.64, 95%CI 0.47 to 2.80). The single cone technique (SCT) group displayed the highest VRF resistance, and roots filled with all techniques, except Thermafil, outperformed the positive control group. Conclusions Resilon/Epiphany demonstrated the greatest root strength among all six obturating systems, followed by GP/iRootSP and GP/MTA-Plus, which are calcium silicate-based systems. In contrast, the gutta-percha/zinc-oxide eugenol system exhibited the weakest performance. All canal-filling techniques, particularly the SCT, strengthen endodontically treated roots, except for the Thermafil technique. Further well-designed clinical trials with large sample sizes are essential for validation. Supplementary Information The online version contains supplementary material available at 10.1186/s12903-024-05111-x.

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Assessment of Fracture Resistances of Endodontically Treated Teeth Filled with Different Root Canal Filling Systems

Cited by 3 publications

References 12 publications

An Evaluation of the Fracture Resistance of Endodontically Treated Teeth Restored With Two Types of Posts (Diamond Posts and Fiber Posts): An In Vitro Study

An Evaluation of the Fracture Resistance of Endodontically Treated Teeth Restored With Two Types of Posts (Diamond Posts and Fiber Posts): An In Vitro Study

Effects of radiotherapy dose and application time on the load-to-failure values of teeth filled with different sealers

Comparative assessment of vertical fracture resistance in endodontically treated roots with different obturating systems and techniques: a systematic review and network meta-analysis of in vitro studies

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