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White lesions after orthodontic treatment: does low fluoride make a difference?
1Department of Oral Health and Development, School of Clinical Dentistry, University of Sheffield, Claremont Crescent, Sheffield S10 2TA, UK. D.Willmot@Sheffield.ac.uk.
Journal of Orthodontics
|October 19, 2004
Summary
Post-orthodontic white lesions naturally reduced in size over six months. A low fluoride mouthrinse/toothpaste did not offer a clinical advantage over a non-fluoride control for these enamel lesions.
Area of Science:
- Dentistry
- Orthodontics
- Dental Materials
Background:
- Post-orthodontic demineralized white lesions are common enamel defects.
- Assessing the efficacy of low fluoride interventions is crucial for managing these lesions.
Purpose of the Study:
- To compare the size reduction of post-orthodontic demineralized white lesions using a low fluoride (50 ppm) versus a non-fluoride mouthrinse/toothpaste regime.
- To measure changes in lesion size over 26 weeks post-orthodontic treatment.
Main Methods:
- A double-blind, prospective, randomized clinical trial was conducted.
- Twenty-six patients with post-orthodontic demineralized white lesions were randomized into low fluoride or control groups.
- Computerized image analysis of photographic images assessed lesion size (DWL%t) and percentage reduction (ADPR).
Main Results:
- Demineralized white lesions significantly reduced in size by approximately half over 26 weeks, irrespective of intervention.
- The low fluoride mouthrinse/toothpaste group showed an average difference percentage reduction (ADPR) of 54.3%.
- The non-active control group showed an ADPR of 66.1%, indicating no significant difference between the groups.
Conclusions:
- Post-orthodontic demineralized white lesions naturally decrease in size over six months.
- The low fluoride mouthrinse/toothpaste formulation provided no clinical advantage in reducing lesion size compared to the non-fluoride control.