The combined laterally closed, coronally advanced tunnel for the treatment of mandibular multiple adjacent gingival recessions: surgical technique and a report of 11 cases.

Sculean, Anton; Allen, Edward P.; Katsaros, Christos; Stähli, Alexandra; Miron, Richard J.; Deppe, Herbert; Cosgarea, Raluca (2021). The combined laterally closed, coronally advanced tunnel for the treatment of mandibular multiple adjacent gingival recessions: surgical technique and a report of 11 cases. Quintessence international, 52(7), pp. 576-582. Quintessenz Verlags-GmbH 10.3290/j.qi.b1098307

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OBJECTIVES

To describe the step-by-step procedure of a novel surgical technique consisting of a combination of the laterally closed tunnel (LCT) and the modified coronally advanced tunnel (MCAT) (ie, LCT/MCAT), designed to treat multiple mandibular adjacent gingival recessions (MAGR) and to present the clinical outcomes obtained in 11 consecutively treated patients.

METHOD AND MATERIALS

Eleven systemically and periodontally healthy patients (7 females, mean ± SD 33.62 ± 14.6 years, min. 19 years max. 67 years) with a total of 40 adjacent mandibular RT1 (ie, Miller Class 1 and 2) gingival recessions with a minimum depth ≥ 3 mm, were consecutively treated with LCT/MCAT, in conjunction with an enamel matrix derivative (EMD) and subepithelial palatal connective tissue graft (SCTG). Treatment outcomes were assessed at baseline and at 12 months postoperatively. Prior to surgery and at 12 months postoperatively, recession depth (RD) and recession width (RW) were evaluated. The primary outcome variable was complete root coverage (CRC, ie 100% root coverage), the secondary outcome was mean root coverage (MRC).

RESULTS

Postoperative pain and discomfort were low and the healing was uneventful in all cases without any complications. At 12 months, statistically significant (P < .05) root coverage (RC) was obtained in all patients. CRC was obtained in five patients with a total of 21 recessions, while MRC measured 92.9% (ie, 3.75 mm). In seven patients (ie, 63.6%), RC amounted to > 93% while the minimum RC per patient measured 83.76%.

CONCLUSION

The results of the present case series suggest that the LCT/MCAT is a valuable technique for the treatment of mandibular RT1 MAGR.

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