Research on plaque removal by sonic toothbrush for patients with a fixed orthodontic appliance

고정식 교정장치 부착환자에서 음파칫솔의 치면세균막 제거 효과에 관한 연구

  • Cha, Kyung-Suk (Department of Orthodontics, College of Dentistry, Dankook University)
  • 차경석 (단국대학교 치과대학 교정학교실)
  • Published : 2004.04.01

Abstract

The purpose of this research is to evaluate and compare the plaque removal ability of sonic brushing and manual brushing in order to present a method for continuous and effective oral hygiene control during orthodontic treatment. Nonextracted adolescent patients (male: 23 persons, female: 37 persons) and adult patients (male: 15 persons, female: 45 persons) outfitted with a fixed orthodontic appliance from their incisors to second molar, in both the maxilla and mandible, were divided into manual brushing and sonic brushing groups. A Philips oral healthcare HX-4401 sonic toothbrush was used, and the application of brushing for the two groups was standardized at two minutes. After brushing, the plaque score was measured with a modified Wilkin's PHP. The following results were achieved after comparing each group's plaque score. 1. In patients with a fixed orthodontic appliance when age was not accounted for, the application of sonic brushing exerted a beneficially decreased effect on the plaque score. (adolescents : p<0.01, adults: p<0.05) 2. When comparing the adolescent and adult groups in regard to plaque score, the adolescent group showed a more decreased effect. 3. When using the same toothbrush type, there was no difference between the adolescent and adult groups.

이 연구의 목적은 고정식 교정장치 부착환자에서 음파잇솔질과 수동잇솔질의 치면세균막 제거능력을 비교, 평가하여 교정치료시 지속적이고 효과적인 구강위생 관리 방법을 제시하고자 하는데 있다. 비발치 환자로 상, 하악 제 2대구치까지 고정식 교정장치를 부착한 청소년기 아동(남자 23명, 여자 37명)과 성인(남자 15명, 여자 45명)을 대상으로 하여 각각을 수동잇솔질과 음파잇솔질 군으로 분류하였다. 음파칫솔은 Philips oral healthcare HX-4401을 사용하였으며 잇솔질시간은 음파, 수동 모두 2분으로 표준화시켰다. 잇솔질 후 치면세균막 지수는 Wilkins의 PHP를 변형시켜 측정하였다. 각 군의 치면세균막 지수를 측정하여 비교한 결과 다음과 같은 결과를 얻었다. 1. 청소년, 성인 모두에서 음파잇솔군의 치면세균막지수 감소효과가 수동잇솔군에 비해 유의하게 크게 나타났다(청소년 : p<0.01 성인 : p<0.05). 2. 청소년과 성인을 구분하여 치면세균막지수 감소양상을 비교하였을 때 청소년에서 더 큰 감소 효과를 보였다.(p<0.01). 3. 같은 칫솔종류를 사용할 경우 청소년, 성인간에 유의한 차이를 보이지 않았다.

Keywords

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