Effect of Different Chelating Agents on Bond Strength of C-Point Obturating System to Radicular Dentin

Abdelaziz, Sara E.; Fawzy, Mervat I.; Bastawy, Hagar A.

doi:10.21608/adjg.2019.41960

Cited by 1 publication

(3 citation statements)

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“…Furthermore, it could be due to the slow expansion of the C-Point when exposed to moisture with the slow-setting of the BC sealer .This pushed the sealer into places that lateral compaction with AH plus sealer could not reach, this result corroborates other studies (33,34) . However, the results of the current study disagree with previous study which showed that the highest push out bond strength value was recorded in the root canals filled with gutta-percha/AH Plus sealer, whereas the lowest strength was noted in canals filled with C-point/ BC sealer (35) . This could be attributed to the use of larger tip diameter of C-point (F4) in the current study.…”

Section: Effect Of Filling Materials On the Push Out Bond Strengthcontrasting

confidence: 99%

“…Accordingly less expansion is expected. Moreover, the use of F4 points which has large diameter with high lateral expansion may decrease gaps and increase its adaptation to dentin (30,35) .…”

Section: Effect Of the Root Level On The Push Out Bondmentioning

confidence: 99%

“…Moreover, the BC sealer forms chemical bond with the root canals by the production of hydroxyapatite and water, and the nanoparticle size of the BC sealer allows to deeper penetration into the canal irregularities and dentinal tubules. This probably causes difficulty for removal of C-point and BC sealer from canal wall and presence of remnants of filling material which reduced the adhesion during retreatment (35) .…”

Section: Effect Of Primary Treatment and Retreatment Groups On The Pumentioning

confidence: 99%

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The Efficacy of Adhesion of C-Point Obturation System in Retreated Root Canal Walls.

2019

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Purpose: This study assessed the adhesion of C-point filling system to retreated root canal walls. Materials and Methods: Eighty extracted upper incisors were prepared using Protaper Universal rotary files then the samples were distributed into 2 main groups. Group I: primary treated, Group II: retreated. Each group was further distributed into 4 subgroups; Subgroup A: Samples were filled with gutta-percha. Subgroup B: Samples were filled with gutta-percha and AH Plus sealer. Subgroup C: Samples were filled with C-point. Subgroup D: Samples were filled with C-point and BioCeramic sealer (BC). The push out test was carried out. The sealer penetration inside the dentinal tubules was evaluated using scanning electron microscope (SEM). Results: regarding the results of group I(primary treated) and II (retreated), at all levels, the highest mean bond strength value was recorded in primary treated samples, while the lowest value was recorded in retreated samples. Among the tested groups there was no statistically significant difference except for subgroup B(Gutta-percha/AH plus) at the middle and apical levels while in subgroup D(C-point/BC sealer) at the middle level, there was a statistical significant difference among the tested groups. SEM observation of sealer/ dentin interface revealed few traces of sealer penetration in samples retreated with C-point and BC sealer. Conclusion: C-Point/BC sealer showed better adhesion to the intraradicular dentin in primarily treated group compared to gutta-percha /AH Plus sealer. While the adhesion of C-point filling system to intraradicular dentin negatively affected by the retreatment procedure.

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Section: Effect Of Filling Materials On the Push Out Bond Strengthcontrasting

confidence: 99%

Section: Effect Of the Root Level On The Push Out Bondmentioning

confidence: 99%

Section: Effect Of Primary Treatment and Retreatment Groups On The Pumentioning

confidence: 99%

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The Efficacy of Adhesion of C-Point Obturation System in Retreated Root Canal Walls.

2019

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Effect of Different Chelating Agents on Bond Strength of C-Point Obturating System to Radicular Dentin

Cited by 1 publication

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The Efficacy of Adhesion of C-Point Obturation System in Retreated Root Canal Walls.

The Efficacy of Adhesion of C-Point Obturation System in Retreated Root Canal Walls.

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