Effects of at-home and in-office bleaching agents on the shear bond strength of metal, ceramic, and composite brackets to enamel

Rahul, M; Kumar, Pradeep; Nair, Amal S; Mathew, Shino; Amaladas, Antony Shijoy; Ommen, Anna

doi:10.4103/ijdr.ijdr_13_17

Cited by 13 publications

(10 citation statements)

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“…The specimens that were not treated with any bleaching gel showed similar results to the bleached specimens. Conversely, an in vitro study reported that office bleaching treatment with 40% HP reduced SBS values but home bleaching treatment with 10% CP had no effect [ 24 ]. However, the adhesives were applied after 1 day in that study.…”

Section: Discussionmentioning

confidence: 99%

Effect of various bleaching treatments on shear bond strength of different universal adhesives and application modes

Öz

Kütük

2018

Restor Dent Endod

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ObjectivesThe aim of this in vitro study was to evaluate the bond strength of 2 universal adhesives used in different application modes to bleached enamel.Materials and MethodsExtracted 160 sound human incisors were used for the study. Teeth were divided into 4 treatment groups: No treatment, 35% hydrogen peroxide, 16% carbamid peroxide, 7.5% carbamid peroxide. After bleaching treatments, groups were divided into subgroups according to the adhesive systems used and application modes (n = 10): 1) Single Bond Universal, etch and rinse mode; 2) Single Bond Universal, self-etch mode; 3) Gluma Universal, etch and rinse mode; 4) Gluma Universal, self-etch mode. After adhesive procedures nanohybrid composite resin cylinders were bonded to the enamel surfaces. All specimens were subjected to shear bond strength (SBS) test after thermocycling. Data were analyzed using a 3-way analysis of variance (ANOVA) and Tukey post hoc test.ResultsNo significant difference were found among bleaching groups (35% hydrogen peroxide, 16% carbamid peroxide, 7.5% carbamid peroxide, and no treatment groups) in the mean SBS values. There was also no difference in SBS values between Single Bond Universal and Gluma Universal at same application modes, whereas self-etch mode showed significantly lower SBS values than etch and rinse mode (p < 0.05).ConclusionsThe bonding performance of the universal adhesives was enhanced with the etch and rinse mode application to bleached enamel and non-bleached enamel.

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Section: Discussionmentioning

confidence: 99%

Effect of various bleaching treatments on shear bond strength of different universal adhesives and application modes

Öz

Kütük

2018

Restor Dent Endod

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“…It is worth emphasizing that significantly higher values of SBS for ceramic brackets in comparison to those for metal ones in both etching protocols were observed. However, the literature's findings are ambiguous regarding this issue [6,[26][27][28][29][30][31][32][33]. The majority of studies have confirmed the advantage of ceramic brackets over metal ones in terms of the SBS value [6,[26][27][28][29][30] (Table 8).…”

Section: Discussionmentioning

confidence: 99%

“…However, the literature's findings are ambiguous regarding this issue [6,[26][27][28][29][30][31][32][33]. The majority of studies have confirmed the advantage of ceramic brackets over metal ones in terms of the SBS value [6,[26][27][28][29][30] (Table 8).…”

Section: Discussionmentioning

confidence: 99%

“…According to the literature, specimens should be cycled a minimum of 5000 times with a 60 s dwell time [32,33]; therefore, this protocol was used in the present study. However, most researchers apply their own regimen of thermocycling [26][27][28][29][30], because the values included in ISO TR 11450 (500 cycles, 5 and 55 • C) are considered to be insufficient to achieve the proper aging effect [32,33].…”

Section: Discussionmentioning

confidence: 99%

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Shear Bond Strength of Metal and Ceramic Brackets Depending on Etching Protocol in Direct Bonding Technique

Nawrocka,

Nowak,

Sauro

et al. 2023

Materials

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Successful orthodontic therapy, apart from a proper treatment plan, depends on optimal bracket–enamel adhesion. Among numerous factors affecting adhesion, the type of bracket and preparation of the tooth’s surface are crucial. The aim of this study was to compare the shear bond strength (SBS) of metal and ceramic brackets to the enamel’s surface using direct bonding. Forty extracted human premolars were divided into four groups according to the etching method (etch-and-rinse and self-etch) and bracket type. The SBS and adhesive remnant index (ARI) were determined. The ceramic brackets achieved the highest SBS values both in the self-etch (SE) and etch-and-rinse (ER) protocols. Higher SBS values for ceramic and metallic brackets were found in the ER protocol. In all tested groups, the achieved SBS value was satisfactory to withstand orthodontic and occlusal forces. There was no significant difference in the ARI score between study groups (p = 0.71). The fracture occurred between the bracket base and adhesive material in both types of brackets, which decreased the risk of enamel damage during debonding.

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“…The search for a high adhesion of the brackets to the dental tissue is essential to withstand the orthodontic forces and allow the control of the tooth movements [ 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of bleaching treatments on the adhesion of orthodontic brackets: a systematic review

Boccuzzi,

Nota,

Cosola

et al. 2023

BMC Oral Health

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Background Nowadays bleaching procedures have gained popularity in orthodontic patients. Peroxide and Carbamide acids are the common agents which are used in in-office and at home bleaching techniques. Consequently, the Bonding adhesion to the enamel can be influenced by the orthodontic phase and the residual peroxide might interfere with the polymerization and the adhesion of the brackets. Frequent debonding of the brackets from teeth after the bleaching procedure could cause the lengthening of the therapy and promote irregularities on enamel surface derived from an additional bonding phase of the brackets. The aim of this systematic review is to appraise the influence regarding the effect of the bleaching procedure on the bond strength of orthodontic brackets. Methods An electronic database search was performed. Search terms included: bleaching, brackets, adhesion; data were extracted and summarized. Risk of bias was assessed using the Chocrane risk of bias tool, adapted for in vitro studies. Results A total of 8689 articles were screened and 11 studies met the inclusion criteria of this systematic review. 1000 teeth of human and bovine origin were analyzed for the shear bond strength (SBS) of stainless and ceramic brackets after the bleaching treatments. All the authors divided the groups in different subgroups with different bleaching agents and in different concentration. The SBS value allowed to demonstrate the necessity to delay the bonding of the brackets for two weeks after a bleaching treatment and its improvement when tooth mousse or antioxidants agents are used. Conclusions The SBS values and the delay of the bonding procedure must be considered in dental practice and clinical strategies are necessary in order to avoid drawbacks which could cause the debonding of the brackets after bleaching due to the alterations of the dental substrate, thus interfering with the orthodontic treatments.

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Effects of at-home and in-office bleaching agents on the shear bond strength of metal, ceramic, and composite brackets to enamel

Abstract: The results showed that at-home bleaching did not affect the SBS significantly whereas in-office bleaching reduced SBS of metal, ceramic, and composite brackets significantly. It is preferable to use metal or ceramic brackets than composite brackets for bonding 24 h after bleaching.

Cited by 13 publications

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Effect of various bleaching treatments on shear bond strength of different universal adhesives and application modes

Effect of various bleaching treatments on shear bond strength of different universal adhesives and application modes

Shear Bond Strength of Metal and Ceramic Brackets Depending on Etching Protocol in Direct Bonding Technique

Effect of bleaching treatments on the adhesion of orthodontic brackets: a systematic review

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