Materials and methods
This was a balanced, randomised, triple-blind, parallel study on the short-term anti-plaque effects of a commercialised cymenol-based mouthwash. The Ethics Committee of Clinical Investigation of Galicia (CEIC, Spain) approved the project and registered 2021/301. The protocol for this trial and the supporting CONSORT checklist are available as Supporting Material S1 and S2, respectively. The study was registered on ClinicalTrials.gov with the ID NCT05521230 (date of registration 30/08/2022). The authors can confirm that all ongoing and related trials for this intervention are recorded and can be accessed via the following URL: 