Comparison of slim bristled and V-shaped orthodontic toothbrushes in patients with fixed orthodontic appliances

Jin-Hugh Choi

doi:10.4041/kjod.2009.39.6.383

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Choi: Comparison of slim bristled and V-shaped orthodontic toothbrushes in patients with fixed orthodontic appliances

Original Article

Korean Journal of Orthodontics

Korean Journal of Orthodontics 2009; 39(6): 383-392.

Published online: 31 December 2009

DOI: https://doi.org/10.4041/kjod.2009.39.6.383

Comparison of slim bristled and V-shaped orthodontic toothbrushes in patients with fixed orthodontic appliances

Jin-Hugh Choi, DDS, MSD, PhD^a

^aAssistant Professor, Department of Dentistry, Chung-Ang University College of Medicine, Seoul, Korea.

Corresponding author: Jin-Hugh Choi. Department of Orthodontics, Chung-Ang University Yongsan Hospital, 65-207, Hangangno-3-ga, Yongsan-gu, Seoul 140-757, Korea. +82 2 748 9846; profchoi@cau.ac.kr

Received 9 April 2009 Revised 23 September 2009 Accepted 26 September 2009

Abstract

Objective

The purpose of this study was to evaluate the efficacy of a slim bristled toothbrush compared with a V-shaped orthodontic toothbrush in patients with fixed orthodontic appliances.

Methods

Thirty four orthodontic patients receiving edgewise treatment were randomly assigned to two groups, a slim bristled toothbrush (Nano silver slim care) and a V-shaped toothbrush (Oral-B). Plaque index, gingival index and bleeding index were recorded at the beginning of the study (baseline), 2 weeks, 4 weeks and 6 weeks after new toothbrushes were supplied and the results were analyzed statistically.

Results

No statistically significant differences were found for plaque index, gingival index and bleeding index between toothbrush groups during the 6 weeks. Plaque and gingival indices were decreased at 2 weeks and 4 weeks but increased at 6 weeks in both toothbrush groups. Bleeding index in the V-shaped toothbrush group showed the lowest value at 2 weeks then increased at 4 weeks and 6 weeks but in the slim bristled toothbrush group decreased from 2 weeks through 6 weeks to under baseline levels. Patients in their twenties had significantly lower values than teenagers in the slim bristled toothbrush group (p < 0.013).

Conclusions

The results would suggest that both of the toothbrushes are equally effective but the use of a slim bristled toothbrush may be of benefit in promoting gingival health for fixed orthodontic appliance patients in their twenties and over.

Keywords: Fixed orthodontic appliance, Slim bristled toothbrush, Oral hygiene, Periodontal health

Figures and Tables

Fig. 1

Toothbrushes used in this study. A, V-shaped orthodontic toothbrush; B, Nano-silver composite slim bristled toothbrush.

Fig. 2

Orthodontic modification of Plaque index: diagram to show the method for division of the tooth for plaque measurement.

Table 1

Distribution of samples by age and type of toothbrush

SD, Standard deviation.

Table 2

Indexes

Table 3

Change in plaque index between baseline (T0) and new toothbrush (T0-new)

SD, Standard deviation; ^*p < 0.001.

Table 4

Changes of plaque index, gingival index and bleeding index and comparison among the times and between Slim toothbrush group and V-orthodontic toothbrush group

T0, at the time before new toothbrush is supplied; T1, 2 weeks; T2, 4 weeks; T3, 6 weeks after new toothbrush is supplied; ^*p < 0.01; ^†p < 0.001; (T*-T*), significant difference in post hoc tests p < 0.05).

Table 5

Change of periodontal parameters according to the ages and comparison between teenagers and twenties

T0, at the time before new toothbrush is supplied; T1, 2 weeks; T2, 4 weeks; T3, 6 weeks after new toothbrush is supplied; ^*p < 0.013, significant differences with one another by Bonferroni correction; (T*-T*) in among the times, significant differences in post hoc tests (p < 0.05); NS, not significant.

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