Coronally advanced flap with or without porcine collagen matrix for root coverage: a randomized clinical trial.

Moreira, Ana Regina Oliveira; Santamaria, Mauro Pedrine; Silvério, Karina Gonzales; Casati, Marcio Zaffalon; Nociti Junior, Francisco Humberto; Sculean, Anton; Sallum, Enilson Antonio (2016). Coronally advanced flap with or without porcine collagen matrix for root coverage: a randomized clinical trial. Clinical oral investigations, 20(9), pp. 2539-2549. Springer 10.1007/s00784-016-1757-8

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OBJECTIVES The objective of this study is to clinically evaluate the outcomes following treatment of single gingival recessions with either coronally advanced flap technique (CAF) alone or combined with a porcine collagen matrix graft (CM). MATERIALS AND METHODS This is a randomized parallel design clinical trial, including forty patients with single Miller Class I or II gingival recession, with a depth ≥ 2 mm and located at upper canines or premolars. The patients were randomly assigned to receive either CAF or CAF + CM. The primary outcome variable was gingival recession reduction (Rec Red). RESULTS Baseline recession depth was 3.14 ± 0.51 mm for CAF group and 3.16 ± 0.65 mm for CAF + CM group (p > 0.05). Both groups showed significant Rec Red (p < 0.05), up to 6 months. Rec Red for CAF + CM was 2.41 ± 0.73 mm and was 2.25 ± 0.50 mm for CAF alone (p > 0.05). Root coverage was 77.2 % in the CAF + CM group and 72.1 % in the CAF group (p > 0.05). Complete root coverage (CRC) was found in 40 % of the cases in the CAF + CM group and in 35 % of the sites treated with CAF. Keratinized tissue thickness (KTT) was 0.26 mm higher in CAF + CM group (p < 0.05). CONCLUSIONS It can be concluded that CAF + CM does not provide a superior recession reduction when compared to CAF; however, it may offer a small gain in KTT after 6 months. CLINICAL RELEVANCE CAF + CM can be suggested as a valid therapeutic option to achieve root coverage and some increase in soft tissue thickness after 6 months.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology
04 Faculty of Medicine > School of Dental Medicine

UniBE Contributor:

Sculean, Anton

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1432-6981

Publisher:

Springer

Language:

English

Submitter:

Eveline Carmen Schuler

Date Deposited:

05 May 2017 16:10

Last Modified:

05 May 2017 16:10

Publisher DOI:

10.1007/s00784-016-1757-8

PubMed ID:

26917493

Uncontrolled Keywords:

Collagen/therapeutic use, Gingival recession/surgery, Root coverage, Treatment outcome

BORIS DOI:

10.7892/boris.94926

URI:

https://boris.unibe.ch/id/eprint/94926

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