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Long-Term Effects of Dentinal Desensitizing Agents on Dentine Hypersensitivity
Author(s): 
Pages: 45-48
Year: Issue:  2
Journal: Acta Academiae Medicinae Jiangxi

Keyword:  dentine hypersensitivitydesensitizationGreen Ornanoscaled potassium contai-ning fluoridated hydroxyapatite varnishstannous fluoride;
Abstract: ABSTRACT:Objective To compare the effects of Green Or combined with sodium fluoride, nanoscaled potassium containing fluoridated hydroxyapatite varnish(nHA-varnish),and Nd-YAG laser combined with stannous fluoride and Green Or on dentine hypersensitivity.Methods A to-tal of 280 patients with dentine hypersensitivity(443 teeth)were randomly treated with Green Or combined with sodium fluoride(Group A,70 patients,110 teeth),nHA-varnish(Group B,70 pa-tients,112 teeth),Nd-YAG laser combined with stannous fluoride(Group C,70 patients,108 teeth),or Green Or(Group D,70 patients,113 teeth).The desensitizing efficacy was compared a-mong the four groups.Results The total effective rate showed a downward trend with the exten-sion of clinical observation time in all groups.However,there were no significant differences in the total effective rate among the four groups after a single course and 3 months of treatment(P >0.05).After treatment for 6 months,1 year and 2 years,the total effective rate in group A was lower than that in group C,but higher than that in group D(P <0.05).No significant difference was found between group A and group B(P >0.05).Conclusion Nd-YAG laser combined with stannous fluoride has a similar short-term effect to Green Or combined with sodium fluoride, nHA-varnish and Green Or,but exerts the best long-term effect on dentine hypersensitivity.
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