Acellular Dermal Matrix Allografts to Achieve Increased Attached Gingiva. Part 1. A Clinical Study

Abstract

The results of this study suggest that in procedures aiming at increasing the width of attached gingiva: 1) the ADM allograft was less effective and less predictable than the autogenous FGG in terms of increasing attached keratinized tissue due to considerable shrinkage and inconsistent quality of the attached tissue gained and 2) the esthetic results using the ADM allograft might be better than those using the autogenous FGG.

Peri-implant soft tissue augmentation with a porcine collagen matrix.

“…Sanz et al 15 used collagen matrices to increase the amount of keratinized tissue around teeth with prosthetic restorations finding similar results between the connective graft and the collagen matrix. Wei 16 and et al 17 , Park used it around implants and achieved an average increase of keratinized mucosa of 2.2mm. In this case, the amount of keratinized mucosa did not increased, maintaining a measure of 4mm.…”

Epithelized Free Autograft-A Case Report Series with Different Healing Outcomes

“…Its autogenous character, ease of technique, cost effectiveness and together with the possibility of implementation in a group of teeth leads FGG to be accepted as the golden standard to increase attached gingiva dimensions [11]. There are several other techniques tried and amongst them, Acellular Dermal Matrix (ADM) allograft is emerging for its advantage of avoiding palatal complications [12,13]. However, comparative studies evaluating ADM and free gingival graft show that ADM allograft exhibits more shrinkage and are less effective and predictable than an autogenous FGG [12,14].…”

Aplicación de biomateriales de base biológica, moléculas bioactivas e ingeniería de tejidos en cirugía plástica periodontal: Una revisión

“…La misma tendencia se observa pero en menor tamaño entre MDA y IGL (1) . Esto se podría explicar porque la MDA es un trasplante de un injerto no vital procedente de un individuo genéticamente diferente en su epitelio, y éste puede carecer de la capacidad inherente a la cito diferenciación directa de la superficie del epitelio oral nativo.…”

“…Wei y col. (1) , realizaron un estudio clínico donde compararon la MDA con injerto gingival libre (IGL), para el aumento de encía adherida en sitios con ≤1 mm. A los 6 meses, encontraron como resultado que la MDA fue menos predecible que el IGL en términos de aumentar el tejido queratinizado, debido a la considerable contracción y la calidad desigual del tejido agregado ganado.…”

“…En 1963 Björn (1) describe por primera vez la técnica de injerto libre de encía, indicado inicialmente para el aumento de encía adherida. Posteriormente, a mediados de la década de los 80' Langer y Langer (2) , describen la utilización del injerto de tejido conectivo subepitelial para el manejo de las recesiones gingivales.…”