What are the classifications of bad breath? I've had bad breath for years

Long-term bad breath can usually be divided into physiological and pathological factors. Physiological factors include improper diet, poor oral hygiene, etc.; Pathological factors include periodontitis, dental caries, etc.

1. Physiological factors

1. Improper diet: If the patient eats garlic, onion and other foods with strong flavors for a long time, it may cause bad breath. It is recommended to pay attention to a light diet and avoid spicy and irritating foods.

2. Poor oral hygiene: If you don't brush your teeth and rinse your mouth or floss to clean the gaps between your teeth, it is easy for food residues to accumulate in your mouth, resulting in odors. It is advisable to practice good oral hygiene, rinse your mouth promptly after meals, and brush your teeth regularly in the morning and evening.

2. Pathological factors

1. Periodontitis: This disease is a chronic inflammation caused by the bacteria in the plaque invading the periodontal tissues, which is mainly manifested as bleeding, redness, swelling, pain and other symptoms of the gums, and is also accompanied by bad breath. You can take metronidazole tablets, amoxicillin capsules and other medications as prescribed.

2. Tooth decay: usually caused by bacterial infection and other reasons, in the early stage of the disease, there will be symptoms of teeth being more sensitive to hot and cold, sweet and sour, with the development of the disease, there may also be tooth decay, and it will also be accompanied by bad breath. It is necessary to go to the hospital for filling, and if necessary, it can also be improved by root canal treatment.

In addition, it may also be caused by gastroesophageal reflux disease, indigestion and other factors, and it is recommended to seek medical diagnosis.