Guest guest Posted March 31, 2005 Report Posted March 31, 2005 Tooth whitening weakens the enamel - the chemical action makes it more porous - and this attracts more stain in the near future. It is one of dentistry's main failures. When future staining is 'whitened' the enamel's resistive capacity to staining is further lowered. ' Jerry Mittelman, DDS, FAPM - - - Reply with your po box or street address to get a freecopy of The Holistic Dental Digest PLUS.jmittelman What dentists aren't likely to learn in dental school Quote
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