Results derived from intra-mouthwash and inter-mouthwash comparisons on PL-biofilm bacterial vitality divided in layers.

4D-WATER = 4-day period during which rinses with 20 mL of sterile water are done twice a day; 4D-EO = 4-day period during which rinses with 20 mL of essential oils are done twice a day; 4D-0.2% CHX = 4-day period during which rinses with 10 mL of 0.2% chlorhexidine are done twice a day. Layer 1 = outer layer; Layer 2 = middle layer; Layer 3 = inner layer.Results derived from intra-mouthwash and inter-mouthwash comparisons on PL-biofilm bacterial vitality divided in layers.