الفهرس 
Efficacy of ethanolic extract of aloe vera versus chlorohexidine as cavity isinfectant: a split-mouth (randomized clinical trial)
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Abstract
Aim: This study conducted to compare the efficacy of ethanolic extract of Aloe vera versus chlorhexidine cavity disinfectant in reducing total viable count of Streptococcus mutans (SM) and Lactobacilli (LB).
Methodology: 32 deep occlusal carious lesions in 16 patients were randomly assigned into 2 groups (n=16). Complete caries removal from the surrounding cavity walls was performed. Soft carious dentin was removed carefully from the pulpal floor with sharp spoon excavator until reaching leathery dentin. Dentinal samples were collected using sterile spoon excavators at two stages (pre-disinfectant and post-disinfectant) from each tooth received two types of cavity disinfection, either 2%Chlorhexidine or Ethanolic Extract of Aloe Vera.Bacterial count was evaluated (pre-disinfectant and post-disinfectant). After 12 months follow up periods pulp vitality was evaluated by thermal pulp test.
Result: The results of present study showed that for both groups there was a significant reduction of bacterial count(s.mutans and Lactobacilli) after treatment (p<0.001). For pulp vitality there was a single non-vital tooth in the chlorohexidine group, while there was 2(12.5%) cases in the Aloe Vera group and the difference between both groups was not statistically significant (p=1).
Conclusion: Natural antibacterial agents like Aloe vera could be effectively used as cavity disinfectants which will help in minimizing secondary caries and rendering a long-term restorative success.