Odontoiatria e Maxillofacciale

A NOVEL APPROACH TO THE USE OF DOXYCYCLINE-LOADED BIODEGRADABLE MEMBRANE AND EDTA ROOT SURFACE ETCHING IN CHRONIC PERIODONTITIS: A RANDOMIZED CLINICAL TRIAL

2012
Autore : Kumper Radi M., Gamal Ahmed Y.

The combined use of an equine-derived collagen membrane and doxycycline 

The release profile of 25% doxycycline (DOX) gel loaded on a biodegradable collagen membrane (COL) after 24% EDTA root surface etching was evaluated. Thirty systemically healthy patients, each with at least one pair of contralateral interproximal intrabony defects >/=4 mm deep, along with an interproximal probing depth >/=6 mm and clinical attachment loss >/=4 mm, were randomized into two groups. Group 1 consisted of sites treated with open-flap debridement followed by placement of DOX gel-loaded COL (DOX-COL), whereas group 2 sites were treated with flap surgery followed by the placement of DOX-COL after EDTA etching of the exposed root surfaces (DOX-COL + EDTA). Samples of gingival crevicular fluid were obtained 1, 3, 7, 14, and 21 days after surgery. Separation was performed, and quantitative measurements of DOX were taken with a high-performance liquid chromatography. Clinical evaluation and follow-up for 6 months were performed. At 21 days, DOX-COL + EDTA group showed 5.3 mug/mL value. However, no DOX was detected in samples of the DOX-COL group. DOX-COL + EDTA-treated group retained more DOX during the periods of 3, 7, 10, and 14 days than did the DOX-COL group. EDTA root surface etching could enhance DOX availability in the gingival crevicular fluid after its release from the collagen membrane.

PRODUCTS USED: Biocollagen Membrane

J Periodontol
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