It is normal for your mouth, the digestive tract’s entry point, to contain bacteria, most of which are harmless. However, some of these bacteria, like Streptococcus mutans, can cause dental problems and other diseases, some of which can be irreversible. Hence, it is crucial to maintain proper dental hygiene through regular brushing, flossing, and rinsing your mouth properly after every meal. Yet, following such a regular dental routine is not enough to maintain optimum oral health.