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1 The effect of working parameters on removal of casting gold alloy using a piezoelectric ultrasonic scaler with scaler tip in vitro
Kuk-Bong Cha, Won-Kyung Kim, Young-Kyoo Lee, Young-Sung Kim
J Korean Acad Periodontol.2009;39(2):139-148.   Published online 2009 June 30     DOI: http://dx.doi.org/10.5051/jkape.2009.39.2.139
      

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