13
Participants
Start Date
September 24, 2023
Primary Completion Date
December 1, 2024
Study Completion Date
December 22, 2024
Placebo: Mouth rinse with plain water
Placebo: Mouth rinse with plain water, containing no caffeine, serving as the control condition.
Experimental: Low mouth rinse caffeine concentration (1%)
Arm Description: Low caffeine concentration: Mouth rinse containing 1% caffeine solution (based on weight/volume).
Moderate caffeine concentration (2% caffeine solution weight/volume).
Moderate caffeine concentration: Mouth rinse containing 2% caffeine solution (weight/volume).
High caffeine concentration (3% caffeine solution weight/volume).
High caffeine concentration: Mouth rinse containing 3% caffeine solution (weight/volume).
Eastern Mediterranean University, Mersin
Eastern Mediterranean University
OTHER
Northumbria University
OTHER
Universidad Francisco de Vitoria
OTHER
Ankara University
OTHER
Universidad Pontificia Comillas
OTHER