Multi-factor analysis of pit and fissure sealant expulsion on first permanent molar of 7-to 9-year-old children
YANG Xing-min
ZHANG Xiao-dan
WANG Xiao-fei
YUAN Jie
CAO Yan-yan
LI Xiu-xiu
Abstract：AIM:To investigate the related factors of fall off rate of pit and fissure sealant on first permanent molar of 7-to 9-year-old school children in Xiangfang district of Harbin.METHODS:2 840 first permanent molar in 1 074 school children aged 7 to 9 year underwent the treatment of pit and fissure sealant voco in Xiangfang district of Harbin were incuded.The sealant was examined 1 year after after treatment.Regression analysis of Logistic method was used for the study of the effect of age,tooth brushing frequency,bruxism,frequency of carbonated drinks and baby teeth caries filling surface on the fall off rat of the sealant.RESULTS:883 children with 2 310 teeth completed the surveys.The children with younger age,fewer tooth brushing frequency,more carbonated drinks and more baby teeth caries filling surface were respectively had higher fall off rate of pit and fissure sealant (P ＜ 0.05).CONCLUSION:The fall off rate of of pit and fissure sealant of 7-to 9 year-old students in Xiangfang district of Harbin is related with age,tooth brushing frequency,carbonated drinks and baby teeth caries filling surface.
Keywords：the first permanent molarschool-age childrensealantthe fall off rate of sealant
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 721-724 )