Group 1 - The core message emphasizes the increasing awareness of oral hygiene among Chinese consumers, driven by improved consumer spending and the popularization of oral health concepts [1] - The fourth national oral health epidemiological survey indicates a nearly 90% detection rate of gum bleeding among residents aged 35-44, and a 34.5% prevalence of permanent tooth decay in 12-year-old children, highlighting the commonality of periodontal diseases and caries [1] - The usage rate of dental floss among Chinese residents is alarmingly low, with 74.8% of individuals never using it, despite experts stressing its necessity for removing plaque from between teeth [1] Group 2 - The market for dental floss has shown stable growth, with the penetration rate for dental cleaning increasing from 8.2% in 2019 to 20% in 2024, according to a report on the Chinese dental floss industry [2] - The oral care sector is experiencing dual opportunities of consumption upgrade and demand expansion, transitioning from a niche market to broader acceptance among consumers [2] - Future trends in the dental floss industry indicate a focus on deepening market segmentation to meet the personalized needs of different consumer groups [2]

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]