Abstract
Preventive effect of fissure sealant on dental caries - Long-term observation results on Juvenile First Molars
Highlights
The caries prevalence rate status of deciduous teeth and permanent teeth is improving in recent years, in the survey values of actual condition of dental illness in 2016 (Ministry of Health, Labour and Welfare) [1], the average caries prevalence rate of the first molar of 10-14 year-olds was approximately 25.8% when not receiving pit and fissure filling treatment, and one in four people are still suffering from dental caries
The results are shown in the figure by comparing with the values calculated by excluding the population that underwent fissure sealants (FS) treatment from the values in the actual survey values for the 10-14-year-old age group
The average caries prevalence rate of the four types of first molars in the actual survey values was 24.0%, and the average caries prevalence rate according to the present study was 7.3% (Figure 1)
Summary
The caries prevalence rate status of deciduous teeth and permanent teeth is improving in recent years, in the survey values of actual condition of dental illness in 2016 (Ministry of Health, Labour and Welfare) [1] (hereinafter abbreviated as actual survey values), the average caries prevalence rate of the first molar of 10-14 year-olds was approximately 25.8% (first molar of the right side of the lower jaw) when not receiving pit and fissure filling treatment, and one in four people are still suffering from dental caries. Regarding the dental caries prevention effect against pit and fissure caries, since Buonocore, et al [2] and Williams, et al [3] used glass ionomer cement for the first time as a material, the pit and fissure filling method (hereinafter abbreviated as FS) has been developed and established as a method for prevention of caries. Research on this FS involves clinical assessment [4,5] as a matter and studies are being conducted from both the basic and clinical aspects on issues such as the adhesive strength of the sealant material to enamel [6,7] as well as the effect on enamel of acid treatment when using resin material, that is, regarding factors such as the type, concentration, action time [8,9], decrease in recovery from demineralization etc. [10].
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