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. 2023 Feb;35(2):178-184.
doi: 10.1016/j.sdentj.2022.12.011. Epub 2023 Jan 2.

A split-mouth randomised controlled trial comparing the clinical effects of MVISTA with chorion membrane or connective tissue graft in multiple gingival recessions

Marisca Austin Pereira  1 , Raghavendra S Medikeri  1 , Manjushri Waingade  2
Affiliations

A split-mouth randomised controlled trial comparing the clinical effects of MVISTA with chorion membrane or connective tissue graft in multiple gingival recessions

Marisca Austin Pereira et al. Saudi Dent J. 2023 Feb.

Abstract

Objectives: Modified form of VISTA (MVISTA), a novel surgical procedure, aims at comprehensive root coverage that maintains the inner continuity of the periosteum and papilla. This technique incorporates any regenerative graft material within the tunnel. The objective of study is to compare the MVISTA for treating multiple adjacent gingival recessions and chorion membranes or grafts of connective tissues.

Materials and methods: This is a split-mouth type randomized trial. In this trial total of 18 patients were considered. The patients in this trial had multiple adjacent, gingival recessions of Miller's Classes I/II, and they were randomized to either the MVISTA with chorion membrane (test) or connective tissue graft (CTG) (control) group. A baseline and one year after surgery were considered for recording to mean root coverage (MRC), complete root coverage (CRC), and clinical periodontal parameters. An intragroup comparison was made.

Results: The intragroup comparison of recession depth baseline and 12 months after-surgery record found a significant difference between the two groups (P = 0.00). In the postoperative condition, the depth of recession reduction was higher in the test group than in the control group. However, from a statistical perspective, the difference was insignificant (P > 0.05). At the end of the year, it was found that the width of the keratinized tissue had increased significantly (P < 0.05). The MRC in the test group was significantly higher (91.33 %±8.17 %) than that in the control group (89.46 %±11.22 %) (P > 000). At the end of 1 year, the test group showed 66.67 % CRC compared to 44.44 % in the control group. The gingival phenotype displayed statistically significant improvement in the test group (p = 0.004). PD and CAL showed statistically nonsignificant outcomes (P > 0.05).

Conclusions: As far as multiple adjacent gingival recession treatment is concerned, MVISTA with chorion membrane treatment enhanced the gingival phenotype, restored complete root coverage (66.6%), and increased the width of keratinized tissue. CTG and CM demonstrated good root coverage results; the latter might be used as a substitute graft to treat multiple recessions.

Keywords: Chorion membrane; Connective tissue graft; Gingival recession; Phenotype; Root coverage.

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Figures

Fig. 1
Fig. 1
Class I recession in test (a) and control site(b).
Fig. 2
Fig. 2
Tunnel prepared(A), placement of graft (B, C) & sutured (D). Subperiosteal tunnel prepared(A), CTG graft placed & sutured (B). Chorion membrane placement in the tunnel (C) and sutured (D).
Fig. 3
Fig. 3
Follow-up of 12 months in the test (a) and control (b).
See this image and copyright information in PMC

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