Evaluations of Saliva for Nickel release from Conventional Stainless Steel and Nickel free Orthodontic brackets- An Atomic Absorption Spectrophotometric (AAS) study
Journal Title: IP Indian Journal of Orthodontics and Dentofacial Research - Year 2017, Vol 3, Issue 2
Abstract
Introduction: Nickel, which is a potent allergen, is used as a key metallurgical ingredient for manufacturing orthodontic brackets. The study aims at extracting nickel levels in patient’s saliva at different time interval. Methods: A total of twenty patients, ten bonded with conventional 3M Stainless steel brackets (group A) and another ten with nickel free brackets(group B). Group B was further divided into two groups of five each, based on different manufacturing companies viz Classic orthodontic and d-tech orthodontics. Three samples of stimulated saliva were collected from each patient at the following intervals: before placement of appliance, one hour after placement and a week after the appliance is being placed. The sample were then analysed with an atomic absorption spectrophotometer for amount of nickel release. Results: Study revealed that the nickel release in 3M stainless brackets in first hour of the bracket placement was very high compared to pre- treatment nickel level. Gradually the release was found to decrease when it was measured after one week. In the second group comprising nickel free brackets by Classic orthodontics the release of nickel gradually increased from the time the appliance was placed in the oral cavity over a period of one week. Third group having d- tech nickel free orthodontic brackets the release in nickel was found to be significantly on higher side after one hour of the appliance placement which eventually decreased over a period of one week. Conclusions: The final outcome of the present study revealed that manufacturing companies and extended time interval has a profound effect on nickel release from simulated fixed orthodontic appliance. Nickel free brackets used in the study though claim to be absolutely nickel free but some amount of nickel was found in them also.
Authors and Affiliations
Rahul Krishan Sharma, Azhar Malik, Akshay Gupta, Kamal Nabhi, Dipika Sharma
Keywords
Related Articles
- EP ID EP304102
- DOI 10.18231/2455-6785.2017.0020
- Views 68
- Downloads 0
Invivo and invitro tensile properties of orthodontic elastomeric chains – A comparative study
Aim: This study was to evaluate the permanent elongation and tensile strength of elastomeric chains in vivo and in vitro of three commonly available brands. Materials and Method: Two types (open & closed chains) of three...
Methods of cephalometric superimposition - A review
In 1931, Broadbent(7,8) and Hofrath(12) introduced the technique of radiographic cephalometry. Since then, clinicians and researchers have adopted and routinely used this valuable tool on orthodontic patients in order to...
Maxillary arch expansion along with fixed mechanotherapy using different expansion devices
Malocclusions can exist in all the three planes of space ie in antero posterior vertical and transverse plane Transverse discrepancies can manifest as dental skeletal or functional discrepancies Maxillary expansion is o...
“Evaluation of Additional Antiplaque and Antigingivitis effect of Mouth rinse and Dental Floss on routine Manual tooth brushing”
Objectives: The present study was conducted to determine the additional plaque and gingivitis reduction achieved by mouthrinse and floss, when used individually as adjuncts to routine manual tooth brushing. Material and...
Comparison of smile esthetics after extraction and non-extraction orthodontic treatment
Introduction Smile esthetics is prime objective of modern orthodontic treatment Effect of tooth extraction on esthetics is controversial Thus the aim of this study was to evaluate and compare the smile esthetics after ex...