For more than 30 years, pit and fissure sealants have been recommended for caries prevention, along with good oral hygiene, optimal fluoridation, and healthy dietary habits. To be effective in the prevention of pit and fissure caries, a sealant must truly ‘seal’, i.e. it must completely keep out fermentable food substrates....

Minimal Invasive Dentistry is defined as a non-invasive, biologically friendly approach that is directed towards healing of carious lesion and disease control. It is an approach which deals with the management of dental caries with the aim of minimizing the loss of tooth structure by disease or by iatrogenic intervention....