Patients in supportive periodontal care who are fairly compliant with oral hygiene may not benefit from additional mouth rinsing using an essential oil solution.

Although 700 Euro could be saved on average by performing SRP instead of surgery, the latter significantly reduced the need for supportive care and systemic antibiotics.

Surgery was ultimately associated with a significantly lower need for re-treatment during supportive care, however, at significantly higher costs over the 3 years.