Abstract: This invention refers to a method for the identification of dental plaque, a toothbrush for carrying out said method, and a dental composition, a toothpaste in any of its forms, i.e., liquid, gel, spray, with the addition of fluorescein to be used with same. This composition shall facilitate the visualization, detection, removal, control and certification of DP by the user him/herself, avoiding the development and generation of all DP-related diseases. It is known that the dental plaque is invisible to the human eye, and it is only detectable when it has certain width. This invention proposes the incorporation of fluorescein to a toothpaste, gel, spray or liquid and a visible light for the detection of said plaque. This light shall be incorporated to the toothbrush and/or adjoined to it as an accessory applicable to any type of toothbrush as a kit, with the use of adhesives or with an adhesion, filting or attachment system to the toothbrush's handle.