Cavities & Dental Sealants

1. Reminder on the formation of caries

Permanently, a thin invisible film of salivary origin is deposited on the teeth. This biofilm, very quickly colonized by bacteria naturally present in the mouth, is the dental plaque. In the absence of regular brushing, bacteria proliferate, creating successive, organized layers, more and more resistant. In addition, plaque bacteria transform the sugars contained in food residues into acids, acids which then attack the tooth enamel and decalcify it. Repeated acid attacks destroy the enamel and form a cavity in the tooth.


The 3 main areas of caries prevention are:

  • Good brushing and eating habits (lifelong - advice for children 0-6 years , children 6 years and over )

    • Regular and meticulous brushing with fluoride products adapted to his age allowing good oral hygiene (tip: brush your teeth in front of him)

    • Avoid sugary snacks between meals, limit your intake of sugars

  • Preventive sealing of grooves (at 6 and 12 years old)

  • Fluoridation, throughout the eruption of teeth (from 6 to 13 years old)

2. What is a preventive sealing ? 

Children's posterior teeth (premolars and permanent molars) often have deep grooves that are difficult to reach with the bristles of the toothbrush. In order to prevent the influx of bacteria and food and thus significantly reduce the appearance of cavities, the cavities present on the surface of the teeth are sealed by pouring a fluid, fluorinated resin over them. This preventive obtruation is generally performed on children between 6 and 14 years of age but can also be performed on adults.

3. Applying the sealant

Filling grooves is a quick and painless process. 

  • clean and dry the tooth

  • place an acid gel on your teeth to increase the roughness of the tooth surface to increase adhesion 

  • after a few seconds, rinse the gel and dry the tooth again

  • apply sealant to the grooves of your tooth

  • use of a special blue light to photopolymerize (harden) the resin

Copy disable