[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "0.07% cetylpyridinium chloride (CPC) in mouthwash", "treatment_type": "Other", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Distilled water with the same colorant as the experimental product", "treatment_type": "Other", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 268, "treatment_name": "Cetylpyridinium chloride", "treatment_type": "Mouthwash", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]