Core Viewpoint - The article emphasizes the importance of proper dental hygiene practices, particularly the correct brushing technique, to prevent dental issues such as tooth decay and gum disease. Group 1: Brushing Techniques - Many patients suffer from wedge-shaped defects in their teeth due to incorrect horizontal "sawing" brushing techniques, which can cause irreversible damage to the enamel [3][4] - The enamel, while the hardest tissue in the human body, is unevenly distributed, making it vulnerable to damage from improper brushing methods [3] - Effective brushing should avoid horizontal motions and instead follow a method that brushes from the gum line towards the crown of the tooth [10] Group 2: Importance of Cleaning Between Teeth - Cleaning between teeth is often neglected, leading to plaque accumulation and increasing the risk of cavities and periodontal disease [4][6] - Periodontal disease is a common chronic condition affecting oral health in China, and if not addressed, it can lead to irreversible damage [4] - The basic principle for preventing periodontal disease and cavities is thorough plaque removal, which includes using dental floss and other cleaning tools [4][8] Group 3: Recommendations for Effective Brushing - Effective brushing involves covering all areas of the mouth, ensuring no spots are missed [7] - Special attention should be given to cleaning between teeth and in grooves, using tools like dental floss and interdental brushes [8] - Brushing should occur twice daily for at least three minutes, with a focus on the evening brushing session [9] - The choice of toothbrush is crucial; it should have bristles of moderate hardness and be replaced every three months or when bristles fray [11]