due to poor oral and dental hygiene a lot of people are suffering from cavities and tooth Decay What is the cause of the

sentece
[tex]a.cavities[/tex]
[tex]b.tooth decay[/tex]
[tex]c.poor \: oral \: hygiene[/tex]
[tex]d.due \: to[/tex]
[tex]thanks \: \: po \: sa \: answer \sqrt[?]{?} [/tex]
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