Core Viewpoint - The article emphasizes the importance of addressing gum recession, which affects approximately 50% of the population in China, and introduces a new toothpaste developed by a team from Peking University that claims to improve gum health and reduce sensitivity [8][12][25]. Group 1: Gum Recession and Its Implications - Gum recession, or gingival recession, is a condition where the gum tissue pulls back, exposing the tooth roots, which can lead to tooth sensitivity and even tooth loss [3][4]. - Symptoms of gum recession include swollen gums, bleeding while brushing, exposed tooth roots, and increased tooth sensitivity to temperature changes [6][10]. - The primary cause of gum recession is the accumulation of dental plaque, which leads to chronic irritation of the gums [10][12]. Group 2: Product Introduction and Efficacy - The product introduced is the Nobida Rebuild Gum Care Toothpaste, developed by a team of PhD researchers from Peking University, which has received clinical validation from dental hospitals [23][25]. - Clinical reports indicate that after two weeks of use, the sensitivity of participants decreased by 39.44%, and after four weeks, it decreased by 56.34% [28]. - The toothpaste claims to reduce plaque index by an average of 90.5% after two weeks of use, demonstrating significant efficacy in improving oral health [33]. Group 3: Unique Ingredients and Technology - The toothpaste utilizes HAP-Rebuild technology, which incorporates hydroxyapatite (HAP), a natural component of teeth and bones, to help reduce plaque and improve gum health [55][57]. - HAP is known for its ability to physically reduce plaque and protect against common oral issues, making it a key ingredient in the formulation [63][68]. - The product is designed to be safe and effective, with third-party testing confirming its ability to inhibit plaque and alleviate gum problems [34][36].

Core Viewpoint - The rise of domestic toothpaste brands, exemplified by the success of Nobida's gum-protecting toothpaste, reflects the growing confidence in Chinese products and their technological advancements [2][4]. Product Innovation - Nobida's toothpaste is developed by a team of PhD researchers from Peking University and has received national invention patent protection [6]. - The toothpaste utilizes HAP-Rebuild technology, which features extremely small repair factors that possess excellent adsorption capabilities, effectively addressing stubborn dental issues [14][30]. Efficacy and Testing - Third-party testing has shown that Nobida's toothpaste has a tartar inhibition rate of 61.69%, demonstrating its effectiveness in dental care [19]. - The product has been validated by multiple authoritative institutions, ensuring its reliability and safety [16]. Market Positioning - Unlike international brands, Nobida relies on scientific validation rather than extensive marketing, which has resonated with consumers, leading to high repurchase rates [4][2]. - The toothpaste is positioned as a premium product, with prices reflecting its advanced formulation and effectiveness compared to traditional options [45]. Health Benefits - The toothpaste not only cleans but also protects and repairs teeth, addressing issues like sensitivity and discoloration without harmful ingredients [32][43]. - It contains natural extracts that enhance oral mucosal health and boost the body's immunity against oral bacteria [21]. Consumer Feedback - Users report significant improvements in oral health, with many stating they cannot go back to regular toothpaste after trying Nobida [2][40].