A 15-month evaluation of bond failures of orthodontic brackets bonded with direct versus indirect bonding technique: a clinical trial

Menini, Anna; Cozzani, Mauro; Sfondrini, Maria Francesca; Scribante, Andrea; Cozzani, Paolo; Gandini, Paola

doi:10.1186/s40510-014-0070-9

Cited by 46 publications

(55 citation statements)

References 25 publications

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“…2,12 The higher bond failure rate for first and second molar tubes can be related to the difficulty of avoiding contamination, manipulation of the tube during bonding, and higher forces of mastication in the molar region. 13 In an investigation using a sample size of 128 patients, no significant difference between bracket failure rates of incisors vs premolars was found. 8 In our study, we found a significantly higher failure rate for orthodontic appliances in the mandible compared with the maxilla.…”

Section: Discussionmentioning

confidence: 99%

“…The failure rate for indirect bonding of brackets and tubes has been found to be the same as or somewhat higher than that of direct bonding. 13 Even if the direct method should result in fewer failures, indirect bonding has several advantages: more accurate bracket placement, dental assistants can position the indirect bonding trays, a significant reduction of chair time, reduced need for rebonding of brackets during treatment, because of the above, total treatment time can be shorter.…”

Section: Discussionmentioning

confidence: 99%

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A retrospective survey of the causes of bracket- and tube-bonding failures

Roelofs¹,

Merkens²,

Roelofs³

et al. 2016

The Angle Orthodontist

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Objective: To investigate the causes of bonding failures of orthodontic brackets and tubes and the effect of premedicating for saliva reduction. Materials and Methods: Premedication with atropine sulfate was administered randomly. Failure rate of brackets and tubes placed in a group of 158 consecutive patients was evaluated after a mean period of 67 weeks after bonding. Results: The failure rate in the group without atropine sulfate premedication was 2.4%. In the group with premedication, the failure rate was 2.7%. The Cox regression analysis of these groups showed that atropine application did not lead to a reduction in bond failures. Statistically significant differences in the hazard ratio were found for the bracket regions and for the dental assistants who prepared for the bonding procedure. Conclusions: Premedication did not lead to fewer bracket failures. The roles of the dental assistant and patient in preventing failures was relevant. A significantly higher failure rate for orthodontic appliances was found in the posterior regions. (Angle Orthod. 2017;87:111-117)

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

A retrospective survey of the causes of bracket- and tube-bonding failures

Roelofs¹,

Merkens²,

Roelofs³

et al. 2016

The Angle Orthodontist

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“…In the presented experiment, the Transbond XT was used in both test groups. It has been used in many studies, [18][19][20][21] so the results can be comparable. The bonding material Transbond SEP Plus has also been proven to be one of the best bonds used in orthodontics.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of changes in enamel thickness after orthodontic treatment depending on theforce applied to remove orthodontic brackets: OCT analysis and universal testing machine

Machoy¹,

Seeliger²,

Szyszka-Sommerfeld³

et al. 2019

Adv Clin Exp Med

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Background. Adhesive materials used in orthodontics have contributed to the broadening of treatment options with fixed braces. The adhesive materials physically and chemically bond to the enamel surface and orthodontic bracket base, which, apart from offering advantages, also entails the risk of enamel damage when removing these materials from the tissue surface after the treatment is complete. Objectives. The objective of this study was to assess how the bond strength of adhesive materials affects enamel thickness after removing brackets and whether the type of bonding system affects the amount of adhesive strength of the discussed materials. Material and methods. The tests were carried out on 2 groups of 40 bovine teeth in each group. In the 1 st group, the classical orthophosphoric acid and the Transbond Plus self-etching primer (SEP) were used. In the 2 nd group, the Transbond XT SEP was applied. In both groups, Transbond XT Light Cure Adhesive was used. The same metal orthodontic brackets were attached to the enamel surface. Optical Coherence Tomography (OCT) scans were made before and after removing brackets, which enabled tissue thickness measurements. The bond strength was evaluated using a universal testing machine. Parametric tests were performed on all obtained variables. Student's t-tests for independent samples and analysis of correlation with Pearson's r were carried out. Results. The bond strength between the orthodontic bracket and enamel is statistically significantly different in the 1 st group and the 2 nd group, and is higher in the 2 nd group. Conclusions. There are no significant differences in enamel thickness depending on the bonding system type and there is no correlation between the enamel thickness and the bond strength of orthodontic brackets to the enamel.

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“…Transbond XT was developed for orthodontic use. Is one of the most widely used composite resins for bonding of orthodontic appliances [31,32]. Can be regarded as one of standard adhesive systems in orthodontics.…”

Section: Discussionmentioning

confidence: 99%

Debonding Shear Strength of Orthodontic Tubes Bonded to Skeletal Anchorage Miniplates with Different Agents

Meirelles¹,

Haas²,

Scolari³

et al. 2019

TODENTJ

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Introduction:Most miniplates used for skeletal anchorage lack built-in orthodontic devices. To address this issue, orthodontists must use creative solutions, such as bonding buttons, brackets, or tubes directly to the miniplates, thus making them more versatile devices that provide a wider range of tooth movement possibilities. The purpose of the present study was to ascertain the debonding strength in Megapascals (MPa) of orthodontic accessories bonded to skeletal anchorage miniplates with different bonding agents. Methods:Forty specimens were divided into two equal groups by bonding agent: Group 1, resin (Transbond XT ® , 3M ESPE); Group 2, cyanoacrylate (Scotchbond ® , 3M ESPE). Shear strength testing was performed in an EMIC DL-2000 universal testing machine. Results:The results obtained were 2.28 ± 0.44 MPa for Group 1 and 4.90 ± 0.76 MPa for Group 2. The Kolmogorov-Smirnov test was used to assess the normality of data distribution. Student's t-test was used to compare means in the response variable. Conclusion:A statistically significant difference was observed between groups. However, both bonding agents provided strength in excess of that needed for secure orthodontic tooth movement.

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A 15-month evaluation of bond failures of orthodontic brackets bonded with direct versus indirect bonding technique: a clinical trial

Cited by 46 publications

References 25 publications

A retrospective survey of the causes of bracket- and tube-bonding failures

A retrospective survey of the causes of bracket- and tube-bonding failures

Evaluation of changes in enamel thickness after orthodontic treatment depending on theforce applied to remove orthodontic brackets: OCT analysis and universal testing machine

Debonding Shear Strength of Orthodontic Tubes Bonded to Skeletal Anchorage Miniplates with Different Agents

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