본문 바로가기
  • Home

Tooth whitening effect of toothpaste containing hydrogen peroxide

안재현 1 김지혜 1 김종훈 2 Jong-Hwa Jang 3 오윤종 4 Park Yong Duk 5

1LG생활건강 기술연구원
2(주)LG화학기술연구원:동부-문지동
3한서대학교
4경희대학교치과대학예방/사회치과학교실
5경희대학교

Accredited

ABSTRACT

Objectives : The purpose of this study was to evaluate the tooth whitening effect of 0.74%and 2.80% hydrogen peroxide toothpastes and safety on tooth and gingival tissue. Methods : Toothpastes containing 0.74% and 2.80% hydrogen peroxide were evaluated. Inin-vitro test, some additives (sodium metaphosphate, sodium pyrophosphate and titanium dioxide)were added to the toothpastes. Hydroxyapatite specimens (HAPs) were made and stained usingmodified Stookey’s methods. HAPs were treated for 1 hour at shaking incubator and brushedfor 1,000 times as 250 gF with each diluted toothpaste. Before and after color was measuredby colorimeter. Using double blind method, 99 Korean with natural maxillary anterior teeth wereselected and the initial brightness (baseline) was measured by SHADEEYE-EX. Based on thismeasurement they were crossly distributed into control group (0% hydrogen peroxide), test 1(0.74% hydrogen peroxide) and test 2 (2.80% hydrogen peroxide). After 2 weeks, people ofeach group were provided toothpaste and told to use 3 times a day right after every meal for3 minutes. The brightness of teeth was measured 3 times for every one month. Results : ΔL was statistically significant among three groups in shaking test. ΔL of two testgroups was statistically significant compared with control group but not between each test groupin brushing test. After using toothpaste for 3 months, test 1 group and test 2 group were 15.89%and 31.23% more whitened compared with control group respectively (p<0.05). Rate of morewhitened person of each test group was 24.2% and 40.5% more than control group respectively(p<0.05). There was no difference in the hypersensitivity during 3 months using toothpastes andno side effect on teeth or gums. Conclusions : Toothpastes containing 0.74% and 2.80% hydrogen peroxide showed toothwhitening effect and both were safe enough to use for tooth whitening.

Citation status

* References for papers published after 2023 are currently being built.