Widad sameer jaaz1, Ohood Salman Jawad2, Hassanain Jwad Abid Al Hussein1
1Collage of Dentistry, Kerbela University, Iraq, 2College of Applied Medical Sciences,
Kerbela university, Iraq
Abstract
The current research includes knowledge of the effect of microbes on dental caries, by providing the
environment suitable for the growth of bacteria and fungi that cause this decomposition, fermentation and
decay and thus erode the texture of the tooth and then full tooth decay. These are the macrophages that
lead to tooth decay (streptococcus species, Staphylococcus aureus, Candida, Lactobacillus, Actinomycosis,
Micrococcus, Antibacterials, Bacillus, Actinobacillus) in different percentages: 33.3%, 21.3%, 14.7%,
12.1%, 8.2 , 4.5%, 3.4%, 1.3%, 1.2%), respectively. There are many other factors that help tooth decay
occur: the host (tooth and saliva), microorganisms in the form of tooth plaque, substrate (diet).
