الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
Dental caries is one of the most prevalent infectious diseases and although of multifactorial origin
streptococcus mutans is considered the chief pathogen in its development . Fluoride is one of the most effective
agents used for the reduction of dental caries apart from oral hygiene maintenance. Clinical evaluation of anti-bacterial effect of fluoride and chlorhexidine varnishes.