Original Article
Comparative study of 2 electric and 2 manual toothbrushes in patients with fixed orthodontic appliances*,**,*,**

https://doi.org/10.1067/mod.2001.116402Get rights and content

Abstract

The objective of this prospective single-blind crossover clinical trial was to evaluate the efficacy of 4 toothbrushes in 33 children undergoing fixed appliance orthodontic therapy. The toothbrushes included in this study were the Braun Oral-B 3D Plaque Remover (Kronberg, Germany), the Philips-Jordan HP 510 (Philips Domestic Appliances, Groningen, The Netherlands), the Lactona orthodontic toothbrush (Bergen op Zoom, The Netherlands), and the Oral-B Advantage Control Grip (Braun); the first 2 are electric, and the last 2 are manual. Every patient tested each type of toothbrush in a randomly designed sequence. Plaque and gingival scores were recorded at baseline and after every 4-week test period. All patients received professional prophylaxis after each clinical evaluation. The data were analyzed with the Friedman test, which showed no significant differences among the 4 brushes for any of the parameters measured. The Wilcoxon signed rank test, comparing the plaque and the gingival scores between the upper and lower jaw for each brush, indicated that plaque removal was more efficient in the lower jaw than in the upper. (Am J Orthod Dentofacial Orthop 2001;120:353-60)

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).

. Overall mean values and standard deviations for different indexes.

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.

    **

    bHead of the Department of Orthodontics.

    *

    cDepartment of Medical Informatics and Statistics.

    **

    Reprint requests to: Veronique Thienpont, Department of Orthodontics, University of Ghent Dental School, De Pintelaan 185, B-9000, Ghent, Belgium; e-mail, [email protected].

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