Originally, there was concern that sealants would trap bacteria in the pit and the caries would proliferate. however, researchers are now experimenting with sealing interproximal incipient caries.
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True

Explanation:

Originally, there was concern that sealants would trap bacteria in the pit and the caries would proliferate. However, researchers are now experimenting with sealing interproximal incipient caries.

Dental sealants are usually placed on the chewing (occlusal) surface of the posterior permanent teeth - molars and premolars - to help protect them against caries. This is because the chewing surfaces of the molars and premolars have grooves that make them vulnerable to tooth decay. These depressions can be deep, making cleaning difficult in these areas. Bacterial plaque builds up in these grooves and the bacteria acid from this enamel deminerization plaque develops caries. Fluoride helps to prevent tooth decay and to protect tooth decay surfaces and sealants, fill the grooves, thus preventing food from becoming trapped in the region and causing tooth decay, ensuring superior protection for teeth with deep grooves.

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