In life, we will find that many people have bad breath, and there are many reasons for bad breath, among which periodontitis is an important reason. Periodontitis causes bleeding gums, tissue inflammation, and the production of metabolites by pathogenic bacteria, all of which can cause bad breath. Therefore, when you find that you have bad breath, you must pay attention to whether you have periodontitis. There are mainly the following methods for the care of periodontitis: 1. Early treatment. Go to the hospital for examination and treatment as soon as possible, and if necessary, perform certain periodontal surgery, scaling, adjusting teeth, fixing loose teeth, orthodontics and periodontitis treatment. 2. Develop good habits. Effectively controls plaque. Develop good hygiene habits, brush your teeth after meals, advocate the application of dental floss to remove plaque in the interdental space, and use fluoride toothpaste or anti-tartar toothpaste to assist brushing to remove plaque and prevent the formation of tartar and tartar. 3. Oral examination. Have regular oral health checkups. Oral scaling (commonly known as tooth scaling) is done every six months to a year to maintain healthy gums and stable teeth and effectively prevent periodontitis. 4. Strengthen physical exercise and improve body resistance. Actively treat systemic diseases, such as nutritional disorders, diabetes, endocrine disorders, osteoporosis, etc., and correct bad habits such as open breathing. Reminder: Once you find yourself with bleeding gums, red and swollen gums, bad breath, etc., there are nine out of ten cases of periodontal disease. At this time, it is best to go to a specialist hospital for treatment, so as not to cause minor problems to become major problems.