American Journal of Orthodontics and Dentofacial Orthopedics
Original ArticleComparative study of 2 electric and 2 manual toothbrushes in patients with fixed orthodontic appliances*,**,*,**
Section snippets
Material and methods
This study was a single-blind, crossover clinical trial, carried out in the Department of Orthodontics at the University of Ghent, Belgium, from February 1999 through January 2000.
The study was interrupted for practical reasons during the summer holidays (July and August 1999). For the clinical trial, 36 patients were selected (18 boys and 18 girls). Their mean age was 13 years 6 months (range, 11 years 1 month to 24 years 5 months).
Participants had to be in good health and undergoing full
Results
The between-brush effect was analyzed for each parameter at baseline and after each experimental period. No significant differences were found among the patients for baseline clinical indexes. This indicates that a 1-month washout period brought all participants to a comparable baseline. There were no significant differences among the 4 brushes concerning GI, BOPI, PIT, and PIB in the complete dentition (Fig 3).
No statistically
Discussion
Many investigators have compared the efficacy of electric and manual toothbrushes in nonorthodontic patients. However, a toothbrush that performs well in nonorthodontic patients will not necessarily work well in orthodontic patients. Most oral-hygiene studies in orthodontic patients have compared different electric brushes with a manual (control) brush, whereas in this study, 4 different toothbrushes (2 electric and 2 manual) were compared with each other over a longer period and in a larger
Conclusion
This study found no difference in efficacy among the 2 manual and the 2 electric toothbrushes in children undergoing fixed orthodontic appliance therapy concerning gingival index, bleeding on probing index, and plaque index. Therefore, orthodontists should focus on enhancing their patients' dental awareness and oral hygiene along with professional prophylaxis and fluoride applications.
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aThird-year postgraduate student, Department of Orthodontics.
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bHead of the Department of Orthodontics.
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cDepartment of Medical Informatics and Statistics.
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Reprint requests to: Veronique Thienpont, Department of Orthodontics, University of Ghent Dental School, De Pintelaan 185, B-9000, Ghent, Belgium; e-mail, [email protected].