Comparative evaluation between chlorhexidine and laser in root canal sterilization in pulpectomy of primary teeth

Abstract

Purpose: The originality of the present study was to compare between chlorhexidine and laser in root canal sterilization in pulpectomy of primary teeth. Methods: The study sample was divided equally into two groups; group A): Thirty lower primary molars were disinfected using diode laser. Group B): Thirty lower primary molars were disinfected by chlorhexidine2%. The samples were collected before sterilization and 2 day after its disinfection. Results: A) laser group The highest mean value of percentage of change was found in (Streptococcus mutants) (95.03%) followed by (Lactobacilli) (94.98%), (Porphyromonas gingivalis) (94.00%), (Fusobacterium) (93.99%), (Streptococcus salivarius) (93.98%) and (Actinomyces.sp) (93.32%), while the least percentage of change was found in (Enterococcus faecalis) (93.05). B) Chlorhexidine group The highest mean value of percentage of change was found in (Streptococcus mutants) (95.03%) followed by (Lactobacilli) (94.98%), (Porphyromonas gingivalis) (94.00%), (Fusobacterium) (93.99%), (Streptococcus salivarius) (93.98%) and (Actinomyces.sp) (93.32% ), while the least percentage of change was found in (Enterococcus faecalis) (93.05%).Conclusions: Both technique of disinfection decrease bacterial count significantly while the 980 diode laser was more effective than 2% chlorhexidine.