Common Dental Problems That You Need To Be Aware Of Dental hygiene not only keeps your mouth clean and teeth strong but it can have significant effect on your overall wellness too. There are various dental problems which can be easily prevented if a person adheres to good dental hygiene. Brushing your teeth twice a day, flossing, and regular dental check-ups can keep you away from these dental problems. The most common types of dental problems are listed below: Bad Breath Bad breath, also known as halitosis, is a problem in which a person has a foul odor or unpleasant breath. It can turn out into huge embarrassment for the person. It can be caused by poor dental hygiene, dryness in the mouth, gum diseases, cavities, bacteria in food and mouth.