JKAOH Journal of Korean Academy of Oral Health J Korean Acad Oral Health 1225-388X 2093-7784 Journal of Korean Academy of Oral Health 10.11149/jkaoh.2014.38.2.71 jkaoh-38-71 Original Article Comparing the efficacy of a high pressure spray oral hygiene appliance and a sonic vibration toothbrush in reducing dental plaque ParkKiduck1 ParkWoo-Chul2 BaeKwang-Hak2 JinBo-Hyoung2 BaekDai-Il2 Seoul Cho Dental Clinic, Seoul, Korea Department of Preventive and Social Dentistry, Seoul National University School of Dentistry, Seoul, Korea Corresponding Author: Woo-Chul Park Department of Preventive and Social Dentistry, Seoul National University School of Dentistry, 158-15, Samsung-dong, Gangnam-gu, Seoul 135-880, Korea Tel: +82-2-6002-2828 Fax: +82-2-553-2872 E-mail: woochuriya@naver.com 062014 12062014 38 2 71 76 11032014 24062014 24062014 Copyright © 2014 Journal of Korean Academy of Oral Health 2014 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Objectives

This study aims to compare home care dental devices for their dental plaque removal ability.

 Methods

A single blinded randomized crossover clinical study design was used to measure plaque index (Turesky Modification Quigley-Hein Plaque Index).

 Results

All 3 groups showed a statistically significant decrease in the plaque index after usage (P<0.001). In manual tooth-brushing group, the teeth on the right dental arch showed a greater decrease in the plaque index than on the left arch (P=0.041). All appliances showed greater plaque reduction in the upper right posterior teeth than in the lower right posterior teeth (P=0.009, 0.004, 0.007).

 Conclusions

The results of this study support development of more effective oral hygiene appliances and emphasis on oral hygienic education.

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Baseline subject demographics

Waterpik® Sonicare® Manual toothbrush
Age* 26.6 (4.51) 27.1 (4.28) 26.9 (4.45)
Gender†
Male 11 11 12
Female 2 2 1
Hander type†
Right 13 13 13
Left 0 0 0

*Data presented mean (Standard deviation).

Data presented frequency.

Whole mouth mean of plaque index and plaque reduction

Before After Plaque reduction P-value
Waterpik® 3.32 (0.440) 2.57 (0.530) 0.75 (0.301) <0.001
Sonicare® 3.13 (0.885) 2.04 (0.770) 1.10 (0.464) <0.001
Manual toothbrush 3.16 (0.690) 2.05 (0.591) 1.11 (0.385) <0.001

Data presented mean (Standard deviation).

Mean of plaque index and plaque reduction on right and left dental arch

Right dental arch Left dental arch P-value
Before After Plaque reduction Before After Plaque reduction
Waterpik® 3.46 (0.67) 2.39 (0.75) 1.06 (0.56) 3.38 (0.74) 2.38 (0.83) 1.00 (0.42) 0.861
Sonicare® 3.38 (0.92) 1.89 (0.76) 1.49 (0.70) 3.25 (1.11) 1.99 (0.98) 1.27 (0.71) 0.505
Manual toothbrush 3.38 (0.82) 1.75 (0.65) 1.63 (0.60) 3.35 (0.71) 2.00 (0.63) 1.35 (0.58) 0.075

Data presented mean (Standard deviation).

Mean of plaque index and plaque reduction of posterior upper teeth

Posterior upper right dental arch Posterior upper left dental arch
Before After Plaque reduction Before After Plaque reduction
Waterpik® 3.14 (0.55) 2.22 (0.62) 0.92 (0.41) 3.09 (0.68) 2.31 (0.80) 0.78 (0.33)
Sonicare® 3.07 (0.80) 1.79 (0.59) 1.29 (0.56) 3.05 (0.99) 1.92 (0.84) 1.13 (0.64)
Manual toothbrush 3.05 (0.66) 1.77 (0.62) 1.28 (0.43) 3.09 (0.60) 1.93 (0.65) 1.15 (0.43)

Data presented mean (Standard deviation).

Mean of plaque index and plaque reduction of posterior lower teeth

Posterior lower right dental arch Posterior lower left dental arch
Before After Plaque reduction Before After Plaque reduction
waterpik® 3.24 (0.62) 2.48 (0.64) 0.76 (0.43) 3.42 (0.58) 2.69 (0.72) 0.73 (0.40)
Sonicare® 3.12 (1.01) 2.37 (0.95) 0.75 (0.51) 3.31 (0.82) 2.39 (0.88) 0.92 (0.51)
Manual toothbrush 3.28 (0.74) 2.26 (0.64) 1.03 (0.51) 3.30 (0.93) 2.35 (0.87) 0.95 (0.39)

Data presented mean (Standard deviation).

Mean of proximal plaque index and proximal plaque reduction

Before After Plaque reduction
waterpik® 3.74 (0.60) 2.94 (0.65) 0.79 (0.34)
Sonicare® 3.62 (0.96) 2.49 (0.89) 1.13 (0.46)
Manual toothbrush 3.54 (0.83) 2.42 (0.73) 1.12 (0.41)

Data presented mean (Standard deviation).