Allergic reaction to orthodontic wire: report of case

Dunlap, Charles L.; Vincent, Sharon; Barker, Bruce F.

doi:10.14219/jada.archive.1989.0174

Cited by 116 publications

(65 citation statements)

References 7 publications

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“…9 It is thought that a much greater concentra tion of nickel in the oral mucosa than the skin is necessary to elicit an aller gic reaction. 10 Furthermore, the inci dence of an allergic response to stainless steel orthodontic brackets has not been reported, however, there have been some reported cases. 4,[11][12][13][14] Nickel leaching of orthodontic bands, brackets and stainless steel or Ni-Ti archwires has been shown in vitro to maximally occur within the fi rst week and then decline thereafter.…”

Section: Epidemiologymentioning

confidence: 99%

Nickel allergy and orthodontics, a review and report of two cases

Noble¹,

Ahing²,

Karaiskos³

et al. 2008

Br Dent J

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VERIFIABLE CPD PAPER• Readers will develop an understanding of the background of nickel allergy and its epidemiology in orthodontics.• Readers will learn the signs and symptoms of a nickel allergy in orthodontics.• Readers will have an understanding of making a diagnosis and alternative methods to treat orthodontic patients who have developed an intra-oral nickel allergy due to orthodontic appliances.• Two detailed real life cases are presented. I N B R I E F PRACTICENickel is a common component in many orthodontic materials. An allergy to nickel is commonly seen in the population, more frequently in women. This allergy has increased with the more frequent use of nickel containing jewellery and in traoral piercings. As a result, this allergy can be expected to be more readily encountered in dental practice. Possible allergy to nickel should be a question in the initial patient health history questionnaire. The dental practitioner should be mindful of this allergy during the course of orthodontic treatment, and know how to diagnose a nickel allergy if it appears and subsequent action in treatment and referral if it is suspected. This paper provides a summary of nickel allergy, its epide miology, diagnosis and recommendations and alternatives to treatment. A detailed description of two cases where it was discovered in orthodontic patients is also reported.

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Section: Epidemiologymentioning

confidence: 99%

Nickel allergy and orthodontics, a review and report of two cases

Noble¹,

Ahing²,

Karaiskos³

et al. 2008

Br Dent J

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“…Most notably in terms of health hazards, the Ni and Cr elements in stainless steel brackets are known to induce allergic, toxic, or carcinogenic effects [2][3][4] . An alpha Ti alloy is a commercially pure (CP) titanium alloyed with alpha-stabilizing elements such as oxygen and nitrogen.…”

Section: Introductionmentioning

confidence: 99%

Corrosion-related Changes on Ti-based Orthodontic Brackets in Acetic NaF Solutions: Surface Morphology, Microhardness, and Element Release

et al. 2008

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This study sought to investigate the effects of acetic NaF solutions on titanium and Ti alloy brackets. To this end, two different brackets were immersed in various NaF-containing solutions for three days. The Equilibrium Ti (EQ) bracket was composed of Ti only, whereas the Ortho 2 (OR) bracket was composed of Ti (base) and Ti-6Al-4V (wings). Brackets that were immersed in the acetic NaF solution of pH 3.5 yielded no reliable surface microhardness values due to corrosion. In other test solutions, however, there was minimal reduction (at best 3％) in microhardness. Further on microhardness, the values of the OR bracket at the base and wings were different. On the release of elements, it was significant only in the acetic NaF solution of pH 3.5. However, the release of Al (6.11±0.93 ppm) and V (1.16±0.40 ppm) in this solution was low. In conclusion, an acetic NaF solution of low pH could damage Ti-based orthodontic brackets.

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“…7) and erythematous areas or severe gingivitis in the absence of plaque. 28 Since such signs and symptoms are difficult to identify, nickel allergy in response to orthodontic appliances may be underdiagnosed.…”

Section: Nickel Allergymentioning

confidence: 99%