Subgingival ultrasonic instrumentation of residual pockets irrigated with essential oils: a randomized controlled trial.

Aim: To evaluate the clinical efficacy of subgingival ultrasonic instrumentation irrigated with essential oils (EOs) of residual periodontal pockets.

Material And Methods: Sixty-four individuals with chronic periodontitis were invited to participate in this randomized, double-blind, parallel, and placebo-controlled clinical trial. All subjects received non-surgical periodontal therapy.