RESUMO
Dental plaque is known as the primary etiological factor for the periodontal diseases. Knowledge about dental plaque has extensively evolved being recognized, not only as a simple bacterial conglomerate adhering to the tooth surface, but also defined as biofilm. Adequate oral hygiene is the most effective way to prevent periodontal disease and caries, which are caused by specific microorganisms found in the oral biofilm. Disorganization and constant removal of this biofilm represents the major strategy utilized in the prevention and treatment of such diseases. The inclusion of oral antiseptics, in daily home care, provides a more effective recommendation for prevention by dental professionals. It is possible to establish a hierarchical order of effectiveness. Chlorhexidine (CHX) promotes the highest anti-plaque effects followed by the essential oils (EOs), cetylpyridinium chloride (CPC) and finally triclosan. For anti-gingivitis action the EOs are equivalent to CHX being both superior agents when compared with CPC and triclosan. Based on the available scientific evidence this group of experts in oral care is favorable to recommending the daily use of an essential oil-containing mouthwash as the active principle, for the majority of the population, excluding children under 6 year of age, individuals with sensitivity to the formula components and those who present adequate oral hygiene using only mechanical methods (brushing and flossing) and dentifrice.
