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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Souza, Sérgio L. S. Macedo, Guilherme O. Tunes, Roberta S. Silveira E. Souza, Adriana M. M. Novaes, Arthur B. Grisi, Marcio F. M. Taba, Mário Palioto, Daniela B. Correa, Vani M. A. |
| Description | Country affiliation: Brazil Author Affiliation: Souza SL ( Department of Bucco-Maxillofacial Surgery and Traumatology and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Monte Alegre, Ribeirão Preto, SP, Brazil.) |
| Abstract | BACKGROUND: The aim of this study was to evaluate root coverage of gingival recessions and to compare graft vascularization in smokers and non-smokers. METHODS: Thirty subjects, 15 smokers and 15 non-smokers, were selected. Each subject had one Miller Class I or II recession in a non-molar tooth. Clinical measurements of probing depth (PD), relative clinical attachment level (CAL), gingival recession (GR), and width of keratinized tissue (KT) were determined at baseline and 3 and 6 months after surgery. The recessions were treated surgically with a coronally positioned flap associated with a subepithelial connective tissue graft. A small portion of this graft was prepared for immunohistochemistry. Blood vessels were identified and counted by expression of factor VIII-related antigen-stained endothelial cells. RESULTS: Intragroup analysis showed that after 6 months there a was gain in CAL, a decrease in GR, and an increase in KT for both groups (P <0.05), whereas changes in PD were not statistically significant. Smokers had less root coverage than non-smokers (58.02% +/- 19.75% versus 83.35% +/- 18.53%; P <0.05). Furthermore, the smokers had more GR (1.48 +/- 0.79 mm versus 0.52 +/- 0.60 mm) than the non-smokers (P <0.05). Histomorphometry of the donor tissue revealed a blood vessel density of 49.01 +/- 11.91 vessels/200x field for non-smokers and 36.53 +/- 10.23 vessels/200x field for smokers (P <0.05). CONCLUSION: Root coverage with subepithelial connective tissue graft was negatively affected by smoking, which limited and jeopardized treatment results. |
| File Format | HTM / HTML |
| ISSN | 00223492 |
| Issue Number | 6 |
| Volume Number | 79 |
| e-ISSN | 19433670 |
| Journal | Journal of Periodontology |
| Language | English |
| Publisher | American Academy of Periodontology |
| Publisher Date | 2008-06-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Dentistry Connective Tissue Transplantation Gingival Recession Surgery Smoking Adverse Effects Adult Case-control Studies Blood Supply Female Etiology Gingivoplasty Humans Male Middle Aged Neovascularization, Physiologic Statistics, Nonparametric Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Periodontics |
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