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<p>Non-Vital Bleaching<br>LT Jason Allen, DC, USN; MAJ Masoud Milani, DC, USAF; CAPT Patricia Tordik, DC, USN; CDR Joseph Molinaro, DC, USN<br><br>Introduction<br>Many materials and techniques improve the shade of discolored nonvital teeth. It is impossible to guarantee an optimal result and even when an acceptable color is obtained, the tooth may darken over time. Placing a mixture of sodium perborate and water within the pulp chamber was initially proposed in 1961 by Spasser. Nutting and Poe described a “walking-bleach” mixture of sodium perborate and 30% hydrogen peroxide. Heating hydrogen peroxide was discontinued following evidence that combining heat and hydrogen peroxide led to cervical resorption.
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<br>Subjects: Tooth Bleaching</div>
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U.S. Navy. Naval Postgraduate Dental School</div>
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