Statistically significant differences were found between the SI and FGG techniques in terms of CE, which occurred faster in the SI group. The discomfort rate recorded for both SI and TD groups was significantly lower than for FGG group. No marked differences were noted between SI and TD procedures. The latter was confirmed by patient interviews. The results of this preliminary study have little statistical significance because of the limited number of patients but they represent an important basis for a comparative clinical study, with a larger sample of participants, which is currently in progress.

This study suggests that EMD does not seem to significantly improve the clinical outcomes of gingival recession treated by means of CAF, even though the test group showed slightly better results in terms of root coverage and CAL. Further studies with a larger number of teeth and higher statistical power are needed to support this conclusion.

Root coverage outcomes were similar in both groups and no statistically significant differences were found at all between them. Hence, the additional use of EMD to CAF is not justified for clinical benefits of root coverage, but as an attempt of achieving periodontal regeneration rather than repair.

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