Research Article


DOI :10.26650/eor.2018.576   IUP :10.26650/eor.2018.576    Full Text (PDF)

The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study

Nisa gül AmukAslı BaysalYakup ÜstünGökmen Kurt

Purpose
The aim of this study was to test the null hypothesis that no difference exists between shear bond strength values of control and bleaching plus desensitizer applied groups. 

Materials and methods
A hundred freshly extracted human premolar teeth were randomly divided into five groups. Group I served as the control group with no bleaching application, while only bleaching was achieved in Group II. Desensitizer containing potassium nitrate–fluoride and casein phosphopeptide amorphous calcium phosphate were applied in Groups III and IV, after bleaching respectively. A bleaching agent containing amorphous calcium phosphate was used in Group V. Shear bond strength tests were carried out using a universal testing machine (Instron Corp., Norwood, MA, USA). Remnant adhesive on the teeth and brackets was examined to score the adhesive remnant index. Kruskal-Wallis and Chi-Square tests were used for statistical analysis of the data. 

Results 
Statistically significant differences were found among the groups for shear bond strength values (p<.001). The shear bond strength of Group III (8.0±2.2 MPa) was significantly lower than the other groups (p<.05). The highest shear bond strength values were found for Group I (13.6±3.7 MPa) and Group IV (12.8±4.0 MPa). No statistically significant difference was observed between Group II (10.0±2.7 MPa) and Group V (10.8±2.9 MPa). The differences between adhesive remnant index scores of the groups were not statistically significant. 

Conclusion
Casein phosphopeptide amorphous calcium phosphate gel application showed a similar shear bond strength value to the control group, while shear bond strength values decreased after using other desensitizers. 

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Citations

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APA

Amuk, N., Baysal, A., Üstün, Y., & Kurt, G. (2018). The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study. European Oral Research, 52(2), 69-74. https://doi.org/10.26650/eor.2018.576


AMA

Amuk N, Baysal A, Üstün Y, Kurt G. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study. European Oral Research. 2018;52(2):69-74. https://doi.org/10.26650/eor.2018.576


ABNT

Amuk, N.; Baysal, A.; Üstün, Y.; Kurt, G. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study. European Oral Research, [Publisher Location], v. 52, n. 2, p. 69-74, 2018.


Chicago: Author-Date Style

Amuk, Nisa gül, and Aslı Baysal and Yakup Üstün and Gökmen Kurt. 2018. “The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study.” European Oral Research 52, no. 2: 69-74. https://doi.org/10.26650/eor.2018.576


Chicago: Humanities Style

Amuk, Nisa gül, and Aslı Baysal and Yakup Üstün and Gökmen Kurt. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study.” European Oral Research 52, no. 2 (Aug. 2025): 69-74. https://doi.org/10.26650/eor.2018.576


Harvard: Australian Style

Amuk, N & Baysal, A & Üstün, Y & Kurt, G 2018, 'The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study', European Oral Research, vol. 52, no. 2, pp. 69-74, viewed 14 Aug. 2025, https://doi.org/10.26650/eor.2018.576


Harvard: Author-Date Style

Amuk, N. and Baysal, A. and Üstün, Y. and Kurt, G. (2018) ‘The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study’, European Oral Research, 52(2), pp. 69-74. https://doi.org/10.26650/eor.2018.576 (14 Aug. 2025).


MLA

Amuk, Nisa gül, and Aslı Baysal and Yakup Üstün and Gökmen Kurt. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study.” European Oral Research, vol. 52, no. 2, 2018, pp. 69-74. [Database Container], https://doi.org/10.26650/eor.2018.576


Vancouver

Amuk N, Baysal A, Üstün Y, Kurt G. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study. European Oral Research [Internet]. 14 Aug. 2025 [cited 14 Aug. 2025];52(2):69-74. Available from: https://doi.org/10.26650/eor.2018.576 doi: 10.26650/eor.2018.576


ISNAD

Amuk, Nisa gül - Baysal, Aslı - Üstün, Yakup - Kurt, Gökmen. The effects of different desensitizer agents on shear bond strength of orthodontic brackets after home bleaching: an in vitro study”. European Oral Research 52/2 (Aug. 2025): 69-74. https://doi.org/10.26650/eor.2018.576



TIMELINE


Submitted24.02.2018
Accepted04.05.2018
Published Online30.05.2018

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