Is sugar the only cause of cavities?

While sugar contributes to cavities, it’s not the sole culprit. Cavity formation involves acid-producing bacteria, plaque buildup, and enamel breakdown influenced by genetics, oral hygiene, dry mouth, and lifestyle factors. Research shows 20% of children carry aggressive Streptococcus mutans bacteria that cause severe decay regardless of sugar intake. Understanding these multiple factors—from saliva composition to medication side effects—helps families implement more effective prevention strategies. Modern approaches like targeted light therapy offer professional-level bacterial control at home, addressing the root causes beyond dietary restrictions for better long-term oral health outcomes.