Biodegradation of orthodontic appliances. Part I. Biodegradation of nickel and chromium in vitro

Barrett, Robert D.; Bishara, Samir E.; Quinn, Janice K.

doi:10.1016/0889-5406(93)70098-9

Cited by 248 publications

(229 citation statements)

References 33 publications

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“…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. 15 This coin cides with the approximate time frame for Type IV hypersensitivity reactions. Saliva or certain intraoral conditions such as foods, oral hygiene products and fluoride may potentially corrode the nickel in the alloy and release it onto the oral mucosa.…”

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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“…Particularly in orthodontics, there is interest in investigating reactions secondary to the use of metals that are known allergens. Studies done by Barret et al 16 have demonstrated that the maximum ions released are at the 7th day and that all release was completed within 4 weeks. Considering this in the present study the components of sample were stored for 90 days as was done by Hwang et al 13 and Huang et al Here we found that chromium released was insignificant.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Metal Ion Release from Different Bracket Archwire Combinations: An in vitro Study

Sk¹,

An²,

Cm³

2012

The Journal of Contemporary Dental Practice

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Aim:The metal ion released from the orthodontic appliance may cause allergic reactions particularly nickel and chromium ions. Hence, this study was undertaken to determine the amount of nickel, chromium, copper, cobalt and iron ions released from simulated orthodontic appliance made of new archwires and brackets. Materials and methods:Sixty sets of new archwire, band material, brackets and ligature wires were prepared simulating fixed orthodontic appliance. These sets were divided into four groups of fifteen samples each. Group 1: Stainless steel rectangular archwires. Group 2: Rectangular NiTi archwires. Group 3: Rectangular copper NiTi archwires. Group 4: Rectangular elgiloy archwires. These appliances were immersed in 50 ml of artificial saliva solution and stored in polypropylene bottles in the incubator to simulate oral conditions. After 90 days the solution were tested for nickel, chromium, copper, cobalt and iron ions using atomic absorption spectrophotometer. Results:Results showed that high levels of nickel ions were released from all four groups, compared to all other ions, followed by release of iron ion levels. There is no significant difference in the levels of all metal ions released in the different groups. Conclusion:The study confirms that the use of newer brackets and newer archwires confirms the negligible release of metal ions from the orthodontic appliance.Clinical significance: The measurable amount of metals, released from orthodontic appliances in artificial saliva, was significantly below the average dietary intake and did not reach toxic concentrations.

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“…28 Nikel titanyum ve paslanmaz çelik ortodontik apareylerden nikel iyon salınımı ilk hafta içinde artmakta ve zamanla azalmaktadır. 29 Her ne kadar dental materyallerde birçok allerjen bulunsa da az miktarda allerjik reaksiyon bunların kullanımıyla ilişkilidir. Bireyin hassas olduğu bileşenleri içeren materyallerin intraoral kullanımı nadiren allerjik reaksiyona neden olmaktadır.…”

Section: Metal Kaynaklı Allerjik Reaksiyonlarunclassified

Ortodontik tedavide karşılaşılan allerjik reaksiyonlar

Coşkuner¹,

Kocadereli²

2015

Acta Odontol Turc

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ÖZETAllerji, normalde zararsız olan maddelere karşı oluşan uygunsuz ve zararlı bir cevap olarak tanımlanabilir. Diş hekimliğinin bütün alanlarında olduğu gibi ortodontide de allerjik reaksiyonlarla sıklıkla karşılaşılmaktadır. Ortodontik materyallere karşı istenmeyen hasta reaksiyonları hem irritan hem de hipersensitivite reaksiyonları şeklinde görüle-bilmektedir. İrritan orijinli reaksiyonlar yumuşak dokular ve ortodontik aparey kısımları arasındaki direkt sürtünmeden kaynaklanmaktadır. Hipersensitivite reaksiyonları ise bazı materyallerin antijenitesine bağlıdır ve istenmeyen hasta cevabıyla sonuçlanmaktadır. Hipersensitivite reaksiyonları genelde yüz ve boyunda allerjik kontakt dermatit olarak kendini gösterse de, mukozal ve gingival reaksiyonlar, potansiyel genel dermal ve sistemik reaksiyonlar da nadir olarak görülebilmektedir. Ortodontik tedavide en sık karşılaşılan allerjik reaksiyonlar lateks, metal ve akrilik rezin kaynaklıdır. Bu materyallerin dışında braketlerin yapıştırıl-masında kullanılan bonding ajanlarına, ekstraoral apareylere, dezenfektanlara ve antimikrobial ajanlara karşı allerjik reaksiyonlar gelişebilmektedir. Ekstraoral apareyler nedeniyle oluşan reaksiyonlar apareylerin metalik, elastik kısım-larına veya doku ile temasta olan aparey parçalarına bağlı olarak gelişebilmektedir. Ortodontistlerin uygulanan tedavi sırasında allerjik reaksiyonlar açısından dikkatli olması, hastanın genel sağlığının korunması açısından önem taşımak-tadır. Bu derlemenin amacı, ortodontik tedavi sırasında sıklıkla karşılaşılan allerjik reaksiyonları incelemek ve hekimin alabileceği önlemleri tartışmaktır.

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Biodegradation of orthodontic appliances. Part I. Biodegradation of nickel and chromium in vitro

Cited by 248 publications

References 33 publications

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

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

Comparison of Metal Ion Release from Different Bracket Archwire Combinations: An in vitro Study

Ortodontik tedavide karşılaşılan allerjik reaksiyonlar

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