宣称“安全无毒”“永久修复”，网售树脂补牙产品风险有多大？

Core Viewpoint - The rise of DIY dental repair products sold online poses significant health risks due to misleading marketing and lack of professional oversight [1][2][11] Group 1: Product Claims and Misleading Marketing - Many DIY dental products are marketed with terms like "permanent" and "medical-grade," which can mislead consumers about their effectiveness and safety [2][11] - Some products falsely claim to be "imported" while being domestically produced, constituting deceptive advertising [12][15] - The promotional materials often contain contradictory information regarding the product's intended use and effectiveness, leading to consumer confusion [11][12] Group 2: Regulatory and Safety Concerns - Numerous products lack proper medical device registration or have unverifiable registration numbers, raising concerns about their compliance with safety standards [16][20][22] - The distinction between first-class and second-class medical devices is crucial, as dental materials used in professional settings undergo stricter safety evaluations [20][21] - Consumers are often unaware of the potential health risks associated with using unregulated products, which may contain harmful substances [24][26] Group 3: Health Risks of DIY Dental Repair - The use of DIY dental materials can lead to severe health issues, including chemical toxicity and allergic reactions, due to the unknown composition of these products [24][26][27] - Improper application of these materials can result in further dental complications, such as secondary caries, which may necessitate more extensive and costly treatments [27][28] - Professional dental procedures are essential for ensuring long-term oral health, and attempting to perform these procedures at home is highly discouraged [28]