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1 Comparison of the whitening effect of toothpastes containing 0.25% hydroxyapatite and 0.75% hydrogen peroxide
Gyeong-Ji Woo, Eun-Kyong Kim, Seong-Hwa Jeong, Keun-Bae Song, Hyo-Jin Goo, Eun-Suk Jeon, Youn-Hee Choi
J Korean Acad Oral Health.2014;38(1):3-9.   Published online 2014 March 12     DOI: http://dx.doi.org/10.11149/jkaoh.2014.38.1.3
   
2 The effectiveness of sealing technique on in-office bleaching
Yoon Lee, So-Ran Kwon, Jeong-Won Park
J Korean Acad Conserv Dent.2008;33(5):463-471.   Published online 2008 September 30     DOI: http://dx.doi.org/10.5395/JKACD.2008.33.5.463
      

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