The release of metal ions from orthodontic appliances<i>Animal tests</i>

Mikulewicz, Marcin; Wołowiec, Paulina; Janeczek, Maciej; Gedrange, Tomasz; Chojnacka, Katarzyna

doi:10.2319/090213-641.1

Cited by 26 publications

(16 citation statements)

References 23 publications

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“…In our study, nickel release was noticeable from SS wires in Oral B at 24 h and 1 week, and in Listerine and Advance White at 1 week. Chromium release was noted in Oral B at all time-points and in Oral B 3D White Luxe at 1 h. Mikulewicz et al in 2012 assessed the release of ions from SS wires in artificial saliva and found that this value reached the maximum safe threshold for nickel ions at 30 days, but the release of chromium was lower than this rate [23]. In our study, the amount of nickel released in Listerine at all time-points was close to the threshold, but the release of chromium was not concerning.…”

Section: Discussionmentioning

confidence: 99%

Release of nickel and chromium ions from orthodontic wires following the use of teeth whitening mouthwashes

2018

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BackgroundCorrosion resistance is an important requirement for orthodontic appliances. Nickel and chromium may be released from orthodontic wires and can cause allergic reactions and cytotoxicity when patients use various mouthwashes to whiten their teeth. Our study aimed to assess the release of nickel and chromium ions from nickel titanium (NiTi) and stainless steel (SS) orthodontic wires following the use of four common mouthwashes available on the market.MethodsThis in vitro, experimental study was conducted on 120 orthodontic appliances for one maxillary quadrant including five brackets, one band and half of the required length of SS, and NiTi wires. The samples were immersed in Oral B, Oral B 3D White Luxe, Listerine, and Listerine Advance White for 1, 6, 24, and 168 h. The samples immersed in distilled water served as the control group. Atomic absorption spectroscopy served to quantify the amount of released ions.ResultsNickel ions were released from both wires at all time-points; the highest amount was in Listerine and the lowest in Oral B mouthwashes. The remaining two solutions were in-between this range. The process of release of chromium from the SS wire was the same as that of nickel. However, the release trend in NiTi wires was not uniform.ConclusionsListerine caused the highest release of ions. Listerine Advance White, Oral B 3D White Luxe, and distilled water were the same in terms of ion release. Oral B showed the lowest amount of ion release.

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Section: Discussionmentioning

confidence: 99%

Release of nickel and chromium ions from orthodontic wires following the use of teeth whitening mouthwashes

2018

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“…In a study of Mikulewicz et al, 1 the overall metal ion release from fixed appliances placed into pig snouts was investigated. The amount of nickel in the aorta was 4.8 times higher, and the amount of chromium in the hair was reported to be 3.4 times higher.…”

Section: Discussionmentioning

confidence: 99%

Metal ion release from silver soldering and laser welding caused by different types of mouthwash

Erdogan

Nalbantgil

Ulkur

et al. 2014

The Angle Orthodontist

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Objective: To compare metal ion release from samples welded with silver soldering and laser welding when immersed into mouthwashes with different ingredients. Materials and Methods: A total of 72 samples were prepared: 36 laser welded and 36 silver soldered. Four samples were chosen from each subgroup to study the morphologic changes on their surfaces via scanning electron microscopy (SEM). Each group was further divided into four groups where the samples were submerged into mouthwash containing sodium fluoride (NaF), mouthwash containing sodium fluoride + alcohol (NaF + alcohol), mouthwash containing chlorhexidine (CHX), or artificial saliva (AS) for 24 hours and removed thereafter. Subsequently, the metal ion release from the samples was measured with inductively coupled plasma mass spectrometry (ICP-MS). The metal ion release among the solutions and the welding methods were compared. The Kruskal-Wallis and analysis of variance (ANOVA) tests were used for the group comparisons, and post hoc Dunn multiple comparison test was utilized for the two group comparisons. Results: The level of metal ion release from samples of silver soldering was higher than from samples of laser welding. Furthermore, greater amounts of nickel, chrome, and iron were released from silver soldering. With regard to the mouthwash solutions, the lowest amounts of metal ions were released in CHX, and the highest amounts of metal ions were released in NaF + alcohol. SEM images were in accord with these findings. Conclusions: The laser welding should be preferred over silver soldering. CHX can be recommended for patients who have welded appliances for orthodontic reasons. (Angle Orthod. 2015;85:665-672.)

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“…Release of Cu from orthodontic appliances has been not extensively studied in the scientific literature, although it is commonly present in many alloys [62] used in the orthodontic practice. Recently, Mikulewicz et al [27] studied in vivo the Cu release (and other elements) in non-invasive (hair) and invasive matrices in pigs who received plates simulating the orthodontic appliance, and found significant differences in the levels of this element in liver, kidney, aorta, lung and hair of experimental pigs.…”

Section: Discussionmentioning

confidence: 97%

“…The release of elements from dental casting alloys in different matrices has been mainly measured using either Atomic absorption spectroscopy (AAS) [25][26], Inductively coupled plasma-optical emission spectrometry (ICP-OES) [16,27], or Inductively coupled plasma mass spectrometry (ICP-MS) [1,[28][29][30]. For many elements, the power of detection of ICP-OES is not sufficient to determine elemental background Page 5 of 39 A c c e p t e d M a n u s c r i p t concentrations.…”

Section: Introductionmentioning

confidence: 99%

In vivo determination of aluminum, cobalt, chromium, copper, nickel, titanium and vanadium in oral mucosa cells from orthodontic patients with mini-implants by Inductively coupled plasma-mass spectrometry (ICP-MS)

Martín-Cameán

Jos

Puerto

et al. 2015

Journal of Trace Elements in Medicine and Biology

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The release of metal ions from orthodontic appliancesAnimal tests

Cited by 26 publications

References 23 publications

Release of nickel and chromium ions from orthodontic wires following the use of teeth whitening mouthwashes

Release of nickel and chromium ions from orthodontic wires following the use of teeth whitening mouthwashes

Metal ion release from silver soldering and laser welding caused by different types of mouthwash

In vivo determination of aluminum, cobalt, chromium, copper, nickel, titanium and vanadium in oral mucosa cells from orthodontic patients with mini-implants by Inductively coupled plasma-mass spectrometry (ICP-MS)

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