Measurement of nickel and chromium level in GCF of patients undergoing orthodontic treatment with or without fluoridated toothpaste
Keywords:
chromium, fixed appliance, fluoridated toothpaste, nickel, orthodontic treatmentAbstract
Background: Nickel-containing alloys exist in a wide variety of appliances and auxiliary devices used in orthodontics. The present study was conducted to assess nickel and chromium level in GCF in patients undergoing orthodontic treatment. Materials & Methods: 50 patients undergoing fixed orthodontic treatment were divided into 2 groups. Group I patients underwent fixed orthodontics and were given non- fluoridated tooth paste and group II patients underwent fixed orthodontics and were given fluoridated tooth paste. Gingival crevicular fluid was obtained before appliance placement, at 1 week, 1 month, and 6 months post- operatively. Salivary nickel and chromium levels was assessed inductively coupled plasma mass spectrometry. Results: There were 10 males and 15 females in group I and 12 males and 13 females in group II. The mean nickel level before treatment in group I was 0.47 ng/ml and in group II was 0.51 ng/ml, on 7th day was 0.54 ng/ml and 0.58 ng/ml, on 1 month was 13.2 ng/ml and 98.4 ng/ml and on 6th month was 0.56 ng/ml and 0.50 in group I and II respectively.
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