Fluoride is a very important chemical element to prevent the loss of minerals by the teeth and to prevent the wear and tear caused by bacteria that form caries and by acidic substances present in saliva and food.
In order to fulfill its benefits, fluoride is added to running water and toothpaste, but the topical application of concentrated fluoride by the dentist has a more potent effect to strengthen teeth.
Fluoride can be applied from 3 years of age, when the first teeth are born and, if used in a balanced way and with professional recommendation, it does not cause any harm to health.
Who should apply fluoride
Fluoride is very useful, mainly, for:
- Children from 3 years of age, adolescents, adults, especially if there is exposure of the roots of the teeth; Elderly people with dental problems.
The application of fluoride can be done every 6 months, or as instructed by the dentist, and it is very important to prevent the development of infections, cavities and wear of teeth. In addition, fluoride is a potent desensitizer, helping to close pores and avoid discomfort in people who suffer from sensitive teeth.
How is fluoride applied
The fluoride application technique is performed by the dentist, and can be performed in several ways, including the mouthwash of the solution, the direct application of fluoride varnish, or the use of adjustable trays with gel. The concentrated fluoride must be in contact with the teeth for 1 minute, and after application, it is necessary to stay at least 30 minutes to 1 hour without ingesting food or liquids.
When fluoride can be harmful
Fluoride products should not be applied or ingested in excess, as they can be toxic to the body, leading to an increased risk of fractures and stiffening of the joints, in addition to causing fluorosis, which causes white or brown spots on the teeth.
The safe dose of ingesting this substance is between 0.05 to 0.07 mg of fluoride per kilogram of weight, over the course of a day. To avoid excess, it is recommended to know the amount of fluoride present in the water of the city in which you live, and in the food you consume.
In addition, it is recommended to avoid swallowing toothpastes and fluoride products, especially those applied by the dentist. Generally, toothpaste contains a safe concentration of fluoride, which is between 1000 and 1500 ppm, information that is recorded on the packaging label.
