Pit and fissure sealant can prevent tooth decay
Shot by Hu Jun, Zhou Shengjie and Dai Qian. Edited by Zhong Youyang. Subtitles by Wang Xinzhou and Andy Boreham.

Pit and fissure sealant have significant preventive effects on carious teeth. The best time for a child to receive pit and fissure sealant is between 6 and 12 years old.

During the procedure, dental sealants, which are thin coatings, are applied on the chewing surfaces of molars to prevent tooth decay.