Variables influencing the bond strength of metal orthodontic bracket bases

Maijer, R.; Smith, Dennis C.

doi:10.1016/0002-9416(81)90098-1

Cited by 107 publications

(65 citation statements)

References 9 publications

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“…To calculate bond strength, the surface areas of the attachment bases were estimated by measuring base length and breadth using Digital Vernier Calipers (Mitutoyo Digital Vernier Calipers, Andover, UK) and multiplying the two values to obtain the base surface area in mm 2 . Base surface areas for five tubes of each type were calculated in this manner, along with mean values.…”

Section: Methodsmentioning

confidence: 99%

“…Base surface areas for five tubes of each type were calculated in this manner, along with mean values. The force in Newtons (N) at which bond failure occurred was divided by the surface area of the bracket base in mm 2 to obtain bond strength in MegaPascals (MPa).…”

Section: Methodsmentioning

confidence: 99%

“…1 A bonded attachment must be able to withstand the shear, tensile, peel, and torsional forces generated during treatment, as well as the dynamic forces transmitted to the teeth during mastication and in occlusion. 2 An inability to successfully resist these forces results in bond failure. However, very high bond strengths are counterproductive because this hinders the removal of attachments at the completion of treatment, creating the potential for patient discomfort and enamel damage.…”

Section: Introductionmentioning

confidence: 99%

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The relationship between base dimensions, force to failure, and shear bond strengths of bondable molar tubes

Talpur

Cunningham

Moles³

et al. 2012

The Angle Orthodontist

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Objectives: To compare forces versus failure and shear bond strengths, and to explore their association with the base dimensions of four currently available bondable molar tubes. Materials and Methods: Tubes were bonded to hydroxyapatite discs using a conventional lightcured adhesive and were tested to shear failure with the Instron Universal testing machine. Results were analyzed using the Kruskal-Wallis test and regression and survival analyses. Results: No statistical difference was observed between the four groups globally in terms of force to failure (P 5 .059) and bond strength (P 5 .179). However, regression analysis showed that each 1 mm 2 increase in base surface area required an additional force of 3.11 N to debond the tube. Survival analysis showed that the tube with the greatest base dimensions had the best survival with increasing force to failure. Conclusions: Although a relationship was demonstrated between force to failure and base surface area, it was not a simple one. No statistically significant relationship was found between bond strength and base surface area. (Angle Orthod. 2012;82:536-540.)

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The relationship between base dimensions, force to failure, and shear bond strengths of bondable molar tubes

Talpur

Cunningham

Moles³

et al. 2012

The Angle Orthodontist

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show abstract

“…Klinik kullan›m için birçok braket kaide dizayn› mevcuttur. (2,3) Braket kaidesinin boyutu ve dizayn›n› da içeren birçok faktör braketlerin yap›flma kuvvetine etkilidir. Daha estetik metal bonded apareylere talepteki art›fl, di¤erlerinin aras›n-da braketlerin ebat›nda ve kaidelerinde azalmaya önderlik etmektedir.…”

Section: G‹r‹fiunclassified

Farklı Braket Taban Özeliklerinin Tutuculuğa Etkisinin İncelenmesi

Başçiftçi¹,

Üşümez²,

Malkoç³

et al. 2006

Turkish Journal of Orthodontics

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“…Pesquisa prévia descreveu a resistência de adesão de 10 Kg como sendo adequada para acessórios ortodônti cos 13 . Isto é equivalente a 1100 psi (77 Kg/cm 2 ou 7,7 MPa), de acordo com a área de superfí cie dos bráquetes usados.…”

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