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Comparison of two surgical techniques for use of the acellular dermal matrix graft in the treatment of multiple gingival recessions

Grant number: 10/03886-1
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2010
Effective date (End): December 31, 2011
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Arthur Belem Novaes Junior
Grantee:Lauro Garrastazu Ayub
Home Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


As an alternative to subepithelial connective tissue grafts (SCTG) donated from the palatal mucosa, the acellular dermal matrix graft (ADMG) has been widely used in periodontal plastic and mucogingival surgeries. Papers that compare those materials found out similar clinical results. In addition, ADMG can also avoid potential intercurrences and limitations presented by the autograft.Different surgical techniques used for root coverage look for predictability and success. For this reason, beyond the incision design, the placements of the flap and the graft are very important, because it benefits healing and final result. The aim of this study is to compare two surgical techniques for root coverage to evaluate which provide better root coverage.Fifteen adult patients nonsmokers, featuring bilateral multiple gingival recessions (e 3 mm), with at least two adjacent recessions, Miller's class I or II, located in different quadrants, will be selected. The both techniques will use the acellular dermal matrix (ADM) as grafting and partial-thickness flap, with sulcular and releasing incisions, coronally positioned (Barros et al. 2004). The difference between both techniques will be the stabilization level of the flap and the graft in order to reduce the possibility of exposure of ADM, which could compromise root coverage. The clinical parameters will be assessed 2 weeks after Basic Periodontal Therapy and 6 and 12 months after surgical procedures. Also, photographic measurements of gingival recessions will be done through software.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AYUB, LAURO G.; RAMOS, UMBERTO D.; REINO, DANILO M.; GRISI, MARCIO F. M.; TABA, JR., MARIO; SOUZA, SERGIO L. S.; PALIOTO, DANIELA B.; NOVAES, JR., ARTHUR B. A Modified Surgical Technique for Root Coverage With an Allograft: A 12-Month Randomized Clinical Trial. Journal of Periodontology, v. 85, n. 11, p. 1529-1536, NOV 2014. Web of Science Citations: 4.
AYUB, LAURO G.; RAMOS, UMBERTO D.; REINO, DANILO M.; GRISI, MARCIO F. M.; TABA, JR., MARIO; SOUZA, SERGIO L. S.; PALIOTO, DANIELA B.; NOVAES, JR., ARTHUR B. A Randomized comparative clinical study of two surgical procedures to improve root coverage with the acellular dermal matrix graft. JOURNAL OF CLINICAL PERIODONTOLOGY, v. 39, n. 9, p. 871-878, SEP 2012. Web of Science Citations: 12.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
AYUB, Lauro Garrastazu. Comparação clínica entre duas técnicas cirúrgicas com utilização de enxerto de matriz dérmica acelular no tratamento de retrações gengivais. 2011. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Odontologia de Ribeirão Preto Ribeirão Preto.

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