Official Journal of The Academy of Osseointegration
Creation of a Zone of Immobile Connective Tissue with Acellular Dermal Matrix Allografts
Ramzi V. Abou-Arraj, DDS, MS/Maninder Kaur, BDS, MPH, MS/Philip J. Vassilopoulos, DDS, DMD/Nicolaas C. Geurs, DDS, MS
PMID: 28609505
DOI: 10.11607/prd.2952
Acellular dermal matrix allografts (ADMs) have been hypothesized to create a zone of immobile connective tissue (ICT) extending apical to the mucogingival junction (MGJ). This 12-month prospective randomized trial investigated the presence of ICT after the use of two commercially available ADMs with coronally advanced flaps in the treatment of Miller Class I and II recession defects. This study demonstrated that the use of either type of ADM resulted in predictable root coverage and a zone of ICT extending apical to the MGJ by 1.88 to 2.69 mm. Hence, minimal keratinized gingival width should not preclude the use of ADMs.
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