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      Changes in the subgingival biofilm composition after coronally positioned flap

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          Abstract

          Objectives

          This study evaluated the effects of coronally positioned flap (CPF) on the subgingival biofilm composition.

          Material and Methods

          Twenty-two subjects with gingival recessions were treated with CPF. Clinical parameters were assessed before and at 6 months after surgery. Subgingival biofilms were analyzed by checkerboard DNADNA hybridization technique for 40 bacterial species.

          Results

          Recession height, clinical attachment level and bleeding on probing improved significantly (p<0.05) at 6 months post- CPF. The proportions of 10 periodontal pathogens and the proportions of red and orange complexes decreased at 6 months.

          Conclusion

          In conclusion, CPF can induce beneficial effects on the composition of the subgingival microbiota after 6 months.

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          Most cited references42

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          Subepithelial connective tissue graft technique for root coverage.

          B Langer, L. Langer (1985)
          This article describes the use of the subepithelial connective tissue graft as a donor source for root coverage. The success of these grafts has been attributed to the double-blood supply at the recipient site from the underlying connective tissue base and the overlying recipient flap. Four cases have been illustrated to demonstrate the versatility of this procedure for areas of single or multiple root coverage especially in the maxillary arch, coverage of existing crown margins and areas requiring a combination of ridge augmentation and root coverage. An increase of 2 to 6 mm of root coverage has been achieved in 56 cases over 4 years with minimal sulcus depth and no recurrence of recession. The donor site is a closed wound which produces less postoperative discomfort.
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            Absence of bleeding on probing. An indicator of periodontal stability.

            Niklaus P Lang, Rolf Adler, Andreas Joss … (1990)
            Following active periodontal therapy, 41 patients were incorporated in a maintenance program for 2 1/2 years with recall intervals varying between 2-6 months. At the beginning of each maintenance visit, the periodontal tissues were evaluated using "bleeding on probing" (BOP). Reinstrumentation was only performed at sites which bled on probing. However, supragingival plaque and calculus was always removed. Pocket probing depths and probing attachment levels were recorded after active treatment and at the conclusion of the study. Progression of periodontal disease was defined by an observed loss of probing attachment of greater than or equal to 2 mm. The reliability of the BOP test as a predictor was evaluated by calculating sensitivity, specificity, accuracy, and positive and negative predictive values. While only a 29% sensitivity was calculated for frequent bleeding, the specificity was 88%. The fact that the positive predictive value for disease progression was only 6% and the negative predictive value was 98% renders continuous absence of BOP a reliable predictor for the maintenance of periodontal health.
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              Mucogingival therapy.

              J Wennström (1996)
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Appl Oral Sci
                Journal ID (iso-abbrev): J Appl Oral Sci
                Title: Journal of Applied Oral Science
                Publisher: Faculdade de Odontologia de Bauru da Universidade de São Paulo
                ISSN (Print): 1678-7757
                ISSN (Electronic): 1678-7765
                Publication date (Print and electronic): Jan-Feb 2011
                Publication date (Print): Jan-Feb 2011
                Volume: 19
                Issue: 1
                Pages: 68-73
                Affiliations
                [1 ] DDS, MSc student, Department of Periodontics, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
                [2 ] DDS, MSc, PhD student, Department of Periodontics, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
                [3 ] DDS, MSc, PhD, Chair, Department of Periodontics, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
                [4 ] DDS, MSc, PhD, Assistant Professor, Department of Periodontics, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
                Author notes
                Corresponding address: Poliana Mendes Duarte - Praça Teresa Cristina, n. 229 - Centro - Guarulhos - 07.023-070 - SP - Phone/Fax: + 55-11-2464-1758 - e-mail: poliduarte@ 123456yahoo.com / pduarte@ 123456ung.br
                Article
                DOI: 10.1590/S1678-77572011000100014
                PMC ID: 4245867
                PubMed ID: 21437473
                SO-VID: 58314484-0c56-47b1-b0b8-5417ce049abd
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 06 September 2009
                Date revision received : 30 April 2010
                Date accepted : 25 May 2010
                Categories
                Subject: Original Articles

                Keywords: bacteria,microbiology,dna probes
                Data availability:
                Keywords: bacteria, microbiology, dna probes

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