Periodontal barrier and method for aiding periodontal tissue regeneration agents
Patent 5197882 Issued on March 30, 1993. Estimated Expiration Date: February 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
433/215, METHOD OR MATERIAL FOR TESTING, TREATING, RESTORING, OR REMOVING NATURAL TEETH424/426, Errodable, resorbable, or dissolving424/435, Mouth433/229MISCELLANEOUS
A periodontal barrier and method incorporating chemotherapeutic agents is disclosed for aiding and guiding periodontal tissue regeneration.
Other References
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Exhibit B is a copy of a use manual for Vicryl periodontal barrier, copyright 1990
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Exhibit F is a copy of a brochure entitled "Your Choice, Gore-Tex™ Periodontal Material for Guided Tissue Regeneration," copyright 1987
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February 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
