Impact of &amp;lt;i&amp;gt;Commiphora myrrha&amp;lt;/i&amp;gt; on Bacteria (&amp;lt;i&amp;gt;Streptococcus mutans&amp;lt;/i&amp;gt; and &amp;lt;i&amp;gt;Lactobacillus spp.&amp;lt;/i&amp;gt;) Related to Dental Caries