Drug – bio-affecting and body treating compositions – Dentifrices
Reexamination Certificate
2009-07-27
2011-12-13
Weddington, Kevin E (Department: 1629)
Drug, bio-affecting and body treating compositions
Dentifrices
C433S217100, C514S152000, C514S975000
Reexamination Certificate
active
08075874
ABSTRACT:
Methods for disinfecting and removing smear layer from prepared tooth surfaces are provided. The methods involve irrigating the tooth surface with a disinfectant solution containing doxycycline or tetracycline, a surfactant such as polysorbate, and organic acid such as citric acid. The methods can be used in various dental treatments including, for example, endodontic and periodontic procedures as well as tooth restoration and reconstruction.
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Johnson William B.
Torabinejad Mahmoud
Dentsply International Inc.
Hura Douglas J.
Levin Leana
Weddington Kevin E
Zdurne David A.
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