Iodoform-calcium Hydroxide Paste in Root Canal Disinfection Efficacy Analysis

Objective To observe the effect of iodoform-calcium hydroxide paste in root canal disinfection.Methods 116 patients in clinical classification were as follows,acute apical periodontities、acute exacerbation of chronic apical periodontitis、chronic fistula-type periapical and traumatic periapicitis,the root canals of the 122 teeth of the patients were sealed with iodoform-calcium hydroxide paste affer root canal preparation and irrigation in order to observe its disinfection.Results The efficiency of acut、chronic acute、chronic fistula-type invasive was 92.31%、92.86%、89.47% and 100%,The total effective rate was 92.24%,Adopting χ2 test,within each group,P0.05,no satistical difference was found within each group,meaning that all types of clinical results in the root canal disinfection had no significant diffcrencos.Conclusion Iodoform-calcium hydroxide paste in root canal is a good disfectant,compared with other root canal disinfectants,it has advantages and is worth popularizing.