Acellular dermal matrix allografts to achieve increased attached gingiva. Part 2. A histological comparative study

Journal of Periodontology
Pein-Chi WeiM Geivelis

Abstract

In part 1 of this study, we compared the clinical efficacy of freeze-dried acellular dermal matrix (ADM) allograft in 6 patients with autogenous free gingival graft (FGG) in 6 patients for increasing the width of attached gingiva in the mandibular anterior area. The purpose of the present study was to histologically compare the microstructure of ADM and FGG treated sites from the same group. Biopsies were harvested from all 12 patients at 6 months postsurgery. The biopsies included the grafted sites with adjacent alveolar mucosa and gingiva propria and also donor palatal mucosa saved at the time of surgery. The 5 microm thick, neutral buffered formalin fixed, paraffin-embedded tissue sections were stained with hematoxylin and eosin (H&E), Masson's trichrome, and Verhoeff-van Gieson stains in order to investigate the density of collagen and elastic fibers. Additional sections were stained with periodic acid-Schiff (PAS) and Papanicolaou's stain to identify the presence of glycogen granules in the epithelial layer and to highlight the keratin layer respectively. The unique appearance of ADM-derived tissue did not parallel any known oral mucosa. The connective tissue portion contained dense to extremely dense collagen fibers along...Continue Reading

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Citations

Nov 9, 2005·Journal of Periodontology·Ricardo GapskiHom-Lay Wang
Jun 2, 2007·Journal of Periodontology·Julio C JolyPatricia R Cury
Sep 28, 2013·Journal of Periodontology·E Todd ScheyerMichael K McGuire
Jun 27, 2014·The Journal of Oral Implantology·Jun-Beom Park
Aug 12, 2009·Clinical Oral Implants Research·Daniel S ThomaRonald E Jung
Jul 22, 2006·Journal of Clinical Periodontology·Antonieta de Queiroz CôrtesEnilson A Sallum
Nov 26, 2010·Journal of Clinical Periodontology·Ronald E JungChristoph H F Hämmerle
Nov 19, 2011·Clinical Oral Implants Research·Daniel S ThomaRonald E Jung
Jul 21, 2010·Journal of Clinical Periodontology·Daniel S ThomaChristoph H F Hämmerle
Aug 16, 2014·Periodontology 2000·Daniel S ThomaRonald E Jung
Mar 20, 2014·Journal of Clinical Periodontology·Daniel S ThomaRonald E Jung
Aug 2, 2015·Oral and Maxillofacial Surgery Clinics of North America·George R Deeb, Janina Golob Deeb
May 28, 2015·Journal of Indian Society of Periodontology·Chitra AgarwalDhoom Singh Mehta
Apr 1, 2006·Journal of Applied Oral Science : Revista FOB·Ana Paula VendraminiIracilda Zepone Carlos
Mar 6, 2018·Periodontology 2000·Ilham MounssifGiovanni Zucchelli
Feb 23, 2010·Journal of the Chinese Medical Association : JCMA·Li-Tzu LeeYong-Kie Wong
Dec 6, 2005·The Journal of Craniofacial Surgery·Ragip OzdemirUnal Bayiz
Sep 3, 2019·Journal of Periodontology·Lorenzo TavelliWilliam V Giannobile
May 12, 2020·Journal of Periodontology·Shayan BarootchiHom-Lay Wang
Jul 19, 2020·Journal of Clinical Medicine·Dobrila NesicIrena Sailer
May 8, 2013·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Da-Hye KimKyung-Seok Hu

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