Effect of Different Surface Treatment Methods on Adhesion and Retention of Root Canal Wall

Qian OUYANG; Lingyun YIN; Yanfei HUANG; Lian LI; Xiang hong YANG; Lingpeng ZHANG

doi:10.12259/j.issn.2095-610X.S20230617

Volume 44 Issue 6

Jun. 2023

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Article Navigation > Journal of Kunming Medical University > 2023 > 44(6): 86-91

Qian OUYANG, Lingyun YIN, Yanfei HUANG, Lian LI, Xiang hong YANG, Lingpeng ZHANG. Effect of Different Surface Treatment Methods on Adhesion and Retention of Root Canal Wall[J]. Journal of Kunming Medical University, 2023, 44(6): 86-91. doi: 10.12259/j.issn.2095-610X.S20230617

Citation:

Qian OUYANG, Lingyun YIN, Yanfei HUANG, Lian LI, Xiang hong YANG, Lingpeng ZHANG. Effect of Different Surface Treatment Methods on Adhesion and Retention of Root Canal Wall[J]. Journal of Kunming Medical University, 2023, 44(6): 86-91. doi: 10.12259/j.issn.2095-610X.S20230617

Citation:

Qian OUYANG, Lingyun YIN, Yanfei HUANG, Lian LI, Xiang hong YANG, Lingpeng ZHANG. Effect of Different Surface Treatment Methods on Adhesion and Retention of Root Canal Wall[J]. Journal of Kunming Medical University, 2023, 44(6): 86-91. doi: 10.12259/j.issn.2095-610X.S20230617

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Effect of Different Surface Treatment Methods on Adhesion and Retention of Root Canal Wall

doi: 10.12259/j.issn.2095-610X.S20230617

Dept. of Stomatology，Affiliated Yan’an Hospital of Kunming Medical University， Kunming Yunnan 650051 ，China

Received Date: 2023-04-13
Available Online: 2023-06-16
Publish Date: 2023-06-25

Abstract

Abstract

Objective To explore the effect of different treatment methods on adhesion and retention of root canal wall of fiber post . Methods 50 single canal mandibular bicuspid teeth were collected and randomly divided into 5 groups. Group A was the control group; group B was treated with silane coupling agent; group C was the selective acid etching group; group D was treated with hydrogen peroxide solution, group E was the sandblasting treatment group. The mechanical test pieces were made according to the unified standard for mechanical test, and the surface appearance of the treated fiber pile was observed by scanning electron microscope. Results Co mparison of the maximum value and minimum value of tensile force in each group, the maximum values of group A, B, C, D and E were 13.16 MPa、13.42 MPa、18.31 MPa、 22.67 MPa and 21.05 MPa respectively, and the minimum values were 8.9 MPa, 8.94 MPa, 12.98 MPa, 17.69 MPa and 14.39 MPa respectively. The maximum and minimum values of samples in groups D and E were larger than those in group A, and were the largest among the five groups. Chi-square test was used to analyze the fracture modes of each experimental group, and the difference between the fracture modes was statistically significant （α < 0.05）. Most of the fracture modes were the bonding interface damage between the adhesive and the fiber pile. The mixed damage in groups D and E was dominant, while the type I bond damage in groups A, B and C was dominant. Four different treatment methods all changed the surface apperance of the glass fiber pile to different degrees, the integrity of the fiber bundle was preserved, and the surface covering matrix was dissolved at different degrees. Conclusion A comprehensive evaluation of the four surface treatment methods of fiber post suggests that the fiber post treated with hydrogen oxide solution and sandblasting treatment is the most significant to improve the bond strength, and the fracture mode of the bond interface is mainly mixed bond failure, which is worthy of clinical application .
- Fiber post,
- Surface treatment,
- Bonding strength

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References(8)

References

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