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Comparison of two different low-level laser intensity protocols on the healing of palatal wounds after connective tissue graft removal: pilot study

Grant number: 14/09147-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2014
Effective date (End): July 31, 2015
Field of knowledge:Health Sciences - Dentistry - Periodontology
Principal Investigator:Mauro Pedrine Santamaria
Grantee:Fernanda Zapater Pierre
Host Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Estadual Paulista (UNESP). Campus de São José dos Campos. São José dos Campos , SP, Brazil


Gingival recession is the apical shift of the gingival margin leading to root surface exposure. The presence of gingival recession can cause other negative effects, such as root sensitivity, esthetic demand and cervical wear. Because of these problems cause by gingival recession, there are many surgical techniques aimed to deal with recessions. Among all available surgical procedures, the connective tissue graft is the most predictable and the one presenting better long term results. However, this procedure has been related to greater mobility and post-surgical pain compared to other techniques because it requires a second surgical site in order to harvest the graft. Previous study reports that the low-level laser therapy (LLLT) using a dosage of 15Jcm2 may improve the wound healing and as a consequence the post-operative patient comfort. However, there is a lack in the literature of studies showing the best LLLT protocol for this specific situation Therefore, the aim of the present study is to compare 2 different LLLT protocols on the wound healing process of the donor site (palate) of CTG procedure. For this, 20 individuals presenting gingival recession will be randomly divided in 2 groups: Group 60: CTG procedure for root coverage and LLLT application at the donor site using a 60J/cm2 dose, and Group 30: CTG procedure for root coverage and LLLT application at the donor site using a 30J/cm2 dose. The clinical and photographic parameters will be evaluated: Defect Area (DA); presence of scars (S); tissue colorimetric evaluation (TC); post-operative pain (P). Intragroup and intergroup evaluation will be performed using significance of 5%.

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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)
DA SILVA NEVES, FELIPE LUCAS; SILVEIRA, CAMILA AUGUSTO; FERNANDES DIAS, STEPHANIE BOTTI; SANTAMARIA JUNIOR, MILTON; DE MARCO, ANDREA CARVALHO; KERBAUY, WARLEY DAVID; DE MELO FILHO, ANTONIO BRAULINO; NEVES JARDINI, MARIA APARECIDA; SANTAMARIA, MAURO PEDRINE. Comparison of two power densities on the healing of palatal wounds after connective tissue graft removal: randomized clinical trial. Lasers in Medical Science, v. 31, n. 7, p. 1371-1378, . (14/00119-0, 14/09147-7)

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