Abstract
Stainless steel (SS) orthodontic brackets can release metal ions into oral cavity. Fluoridated mouthwashes are often recommended to orthodontic patients to reduce the risk of white-spot lesions around their brackets. However, information regarding the effect of fluoridated mouthwashes on nickel (Ni) and chromium (Cr) release from SS brackets are not available. To determine the amount of Ni and Cr ions release immersed in fluoridated mouthwash and non-fluoridated mouthwash. 120 AO brackets and 120 Protect brackets were each divided into 2 equal groups, immersed in fluoridated mouthwash group and non-fluoridated mouthwash group for 24 days. Element composition of brackets were analysed using Energy Dispresive X-Ray Spectroscopy (EDX) before being immersed in the mouthwash. The amount of Ni and Cr ion release were measured with an inductively coupled plasma spectrometer (ICP). For statistical analysis, independent t-test was used. Element composition of brackets using EDX showed that the level of Ni in AO brackets were higher than in Protect brackets, while the level of Cr in AO brackets were smaller. ICP analysis showed that Ni and Cr release from AO and Protect brackets in fluoridated mouthwash was significantly higher than non-fluoridated mouthwash. Fluoridated mouthwashes should not be given to orthodontic patient, especially for patient who have Ni and Cr allergy reaction.
| Original language | English |
|---|---|
| Pages (from-to) | 294-298 |
| Number of pages | 5 |
| Journal | Journal of International Dental and Medical Research |
| Volume | 11 |
| Issue number | 1 |
| Publication status | Published - 2018 |
Keywords
- Cr ion release
- Fluoridated mouthwashes
- Ni ion release
- Stainless steel bracket