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Study of Root Coverage With Acellular Dermal Matrix: Puros® Dermis Versus Alloderm®

05:35 EDT 17th April 2014 | BioPortfolio


The purpose of the study is to evaluate whether clinical parameters for Puros Dermis are, at minimum, equivalent when compared to AlloDerm, the current industry standard, for the treatment of single, non-adjacent Miller's Class I or II gingival recession.


This is a prospective, Post-market, Randomized, Examiner-Only Masked multi-center study to evaluate whether clinical parameters for Puros Dermis are at minimum, equivalent when compared to Alloderm, the current industry standard for the treatment of single, non-adjacent Miller's Class I or II gingival recession.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Bio-equivalence Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Investigator), Primary Purpose: Treatment


Gingival Recession


Puros® Dermis versus Alloderm®


University of Alabama
United States




Zimmer, Inc.

Results (where available)

View Results


Medical and Biotech [MESH] Definitions

Exposure of the root surface when the edge of the gum (GINGIVA) moves apically away from the crown of the tooth. This is common with advancing age, vigorous tooth brushing, diseases, or tissue loss of the gingiva, the PERIODONTAL LIGAMENT and the supporting bone (ALVEOLAR PROCESS).

Excessive growth of the gingiva either by an increase in the size of the constituent cells (GINGIVAL HYPERTROPHY) or by an increase in their number (GINGIVAL HYPERPLASIA). (From Jablonski's Dictionary of Dentistry, 1992, p574)

A layer of vascularized connective tissue underneath the EPIDERMIS. The surface of the dermis contains innervated papillae. Embedded in or beneath the dermis are SWEAT GLANDS; HAIR FOLLICLES; and SEBACEOUS GLANDS.

An abnormal extension of a gingival sulcus not accompanied by the apical migration of the epithelial attachment.

The flowing of blood from the marginal gingival area, particularly the sulcus, seen in such conditions as GINGIVITIS, marginal PERIODONTITIS, injury, and ASCORBIC ACID DEFICIENCY.

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