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1 A comparative study on radiopacity of canal filling and retrograde root-end filling materials
Yong-Sang Kim, Seo-Kyong Kim, Yun-Chan Hwang, In-Nam Hwang, Won-Mann Oh
J Korean Acad Conserv Dent.2008;33(2):107-114.   Published online 2008 March 31     DOI: http://dx.doi.org/10.5395/JKACD.2008.33.2.107
      

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