Instant tooth whitening from a silica toothpaste containing blue covarine
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PII: S0300-5712(08)00044-4
doi:10.1016/j.jdent.2008.02.006
© 2008 Elsevier Ltd. All rights reserved.
PII: S0300-5712(08)00044-4
doi:10.1016/j.jdent.2008.02.006
© 2008 Elsevier Ltd. All rights reserved.