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J Periodontol. 1999 Sep;70(9):1118-24.

Subgingival acellular dermal matrix allograft for the treatment of gingival recession: a case report.

Author information

1
Department of Periodontology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel.

Abstract

Root coverage procedures using subgingival soft tissue grafts or guided tissue regeneration have attracted much interest within the past 2 decades. Recently, acellular dermal matrix allograft (ADMA) has been introduced as a substitute for palatal donor tissue in gingival augmentation procedures. This study was undertaken to examine the potential of ADMA to be used as a substitute for autogenous connective tissue graft material in a root coverage procedure in a case with moderate gingival recession combined with reduced keratinized attached gingiva. After thorough root planing and conditioning of the root surface with a saturated solution of tetracycline-HCl, a trapezoidal mucoperiosteal flap was raised and the papillae were de-epithelialized. The exposed bone surrounding the exposed root surface was perforated with a No. 2 round drill, and the exposed root and surrounding bone were covered by ADMA. The allograft was stabilized by 5-0 vicryl sutures. The flap was coronally positioned to completely cover the ADMA. Healing was uneventful. Eight-month observations and measurements showed root coverage of more than 3.5 mm (>80%), a gingival margin that was harmonious with the neighboring teeth, and an increase of the zone of keratinized attached gingiva, from 1 to 3 mm. Within the limitations of these clinical observations, it is suggested that ADMA may be a possible substitute to free autogenous connective tissue grafts and/or bioabsorbable barrier membranes. Further clinical and histological studies are necessary to understand the healing process of this surgical wound.

PMID:
10505815
DOI:
10.1902/jop.1999.70.9.1118
[Indexed for MEDLINE]

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