Core Viewpoint - The article emphasizes the significance of gum health, particularly focusing on gum recession, its causes, symptoms, and the importance of effective dental care products to prevent further deterioration and improve oral health [2][3][12]. Summary by Sections Gum Recession and Its Impact - Gum recession, or gum shrinkage, exposes the tooth roots, leading to potential tooth loosening and loss [2][3]. - Approximately 50% of the population in China experiences gum recession, which can affect aesthetics and lead to issues like "black triangles" between teeth [7]. Causes and Symptoms - The primary cause of gum recession is plaque buildup, which leads to chronic irritation of the gums [9][10]. - Symptoms include swollen gums, bleeding while brushing, exposed tooth roots, increased tooth sensitivity, and tooth mobility [5]. Prevention and Treatment - While gum recession can be difficult to reverse, interventions can prevent further deterioration [12]. - Regular brushing and effective toothpaste are crucial in managing gum health [14]. Product Introduction - The article introduces "Nobida Rebuild Gum Care Toothpaste," developed by a team from Peking University, claiming to improve gum health and reduce plaque [23][25]. - Clinical trials show significant improvements in plaque index (90.5% reduction), bleeding index (82.0% reduction), and gum health index (86.6% reduction) after 12 weeks of use [28]. Unique Selling Points - The toothpaste contains HAP-Rebuild technology, which utilizes hydroxyapatite (HAP) to physically reduce plaque and protect enamel [59][61]. - It is claimed to be effective in whitening teeth without damaging enamel, using a combination of HAP and herbal extracts [82]. Clinical Validation - The product has undergone extensive clinical validation, demonstrating its effectiveness in reducing tooth sensitivity and promoting enamel remineralization [26][34][40]. - The toothpaste's safety and efficacy are supported by third-party laboratory tests and clinical studies conducted in top-tier dental hospitals [43][44]. Pricing and Offers - The toothpaste is available in various packaging options, with promotional offers for bulk purchases, including free samples and a money-back guarantee [18][94][96].

Core Viewpoint - The article emphasizes the significance of gum health, particularly focusing on gum recession, its causes, symptoms, and the innovative solution provided by the Rebuild toothpaste developed by a team from Peking University [4][10][12]. Group 1: Gum Recession and Its Impact - Gum recession, or gum shrinkage, exposes the tooth roots, leading to potential tooth loosening and loss [3][4]. - Approximately 50% of the population in China experiences gum recession, which can affect aesthetics and lead to visible gaps between teeth, known as "black triangles" [8]. - Symptoms of gum recession include swollen gums, bleeding while brushing, tooth sensitivity, and loose teeth [6]. Group 2: Causes and Prevention - While aging contributes to some degree of gum recession, the majority is attributed to plaque buildup, which causes chronic irritation to the gums [10]. - Effective oral hygiene practices, including proper brushing, can help prevent further gum recession and associated dental issues [12][14]. Group 3: Product Introduction and Efficacy - The Rebuild toothpaste, developed by a Peking University doctoral team, is clinically validated to improve oral health and reduce sensitivity [23][25]. - Clinical trials showed a 39.44% reduction in sensitivity after two weeks and a 56.34% reduction after four weeks of use [28]. - The toothpaste utilizes HAP-Rebuild technology, which incorporates hydroxyapatite (HAP), a natural component of teeth, to combat plaque and support gum health [48][50]. Group 4: Unique Selling Proposition - The Rebuild toothpaste claims to physically reduce plaque and alleviate common oral issues without damaging tooth enamel, unlike many whitening toothpastes that can be abrasive [70]. - It is positioned as a safe and effective solution for individuals with sensitive gums, offering a long-term approach to oral care [76][78].

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 Points - The article emphasizes the importance of brushing teeth at least twice a day to maintain oral health and prevent dental issues such as cavities and periodontal disease [4][6]. Group 1: Importance of Brushing Twice Daily - Oral health is threatened by two main enemies: cavities and periodontal disease, caused by bacteria that accumulate on teeth [4]. - Bacterial plaque formation occurs in stages, with significant maturation happening within 24 hours, making it crucial to brush at least twice daily to prevent plaque from becoming difficult to remove [5][6]. Group 2: Importance of Nighttime Brushing - Nighttime brushing is particularly important as it helps control the bacterial load on teeth, especially since saliva production decreases during sleep, reducing natural cleaning [9]. - Brushing at night effectively removes food residues accumulated throughout the day, which can feed bacteria and lead to tooth decay [10]. - Nighttime brushing helps eliminate dental plaque, reducing the risk of cavities and periodontal disease [11]. - It also mitigates oral odor caused by bacteria breaking down food residues, which can be more pronounced if brushing is skipped [12].

Core Viewpoint - The article emphasizes the importance of brushing teeth at least twice a day to maintain oral health and prevent dental issues such as cavities and periodontal disease. Summary by Sections Importance of Brushing Twice Daily - Brushing twice a day is essential to combat the two main enemies of oral health: cavities and periodontal disease, which are caused by bacteria accumulating on teeth surfaces over time [1]. Stages of Plaque Formation - **Initial Attachment (0-2 hours)**: After brushing, a small number of loose bacteria begin to attach to the teeth using a saliva film [2]. - **Bacterial Attachment (2-12 hours)**: More bacteria attach to the teeth, becoming more firmly established [3]. - **Mature Plaque (12 hours)**: Attached bacteria start to reproduce and form a complex biofilm structure, making it harder to remove [4]. - **Fully Matured Plaque (24 hours)**: After 24 hours, plaque becomes a complex microbial community that poses a significant threat to oral health, leading to cavities and periodontal diseases [5]. Importance of Nighttime Brushing - Nighttime brushing is crucial as saliva production decreases significantly during sleep, reducing the natural cleaning effect of saliva [8]. - Food residues in the mouth can lead to an acidic environment that erodes tooth enamel, making nighttime brushing vital to remove these residues [9]. - Bacteria proliferate rapidly at night, and brushing before sleep helps to minimize plaque accumulation and reduce the risk of dental issues [10]. - Oral odor is often worse in the morning due to bacterial activity overnight; brushing at night helps to mitigate this issue [11]. - Oral health is linked to overall health, and nighttime brushing can reduce the risk of chronic diseases by lowering bacterial levels in the mouth [11]. Conclusion - Establishing a nighttime brushing routine is essential for both short-term and long-term oral health, and parents should encourage this habit in their children [11].

Core Viewpoint - The article discusses the issue of "gum recession," also known as "gingival recession," which is a common symptom associated with periodontal disease. It emphasizes that this condition is not directly related to aging and highlights the importance of proper oral hygiene to prevent further complications [1][2][4]. Group 1: Causes and Prevention - "Gum recession" is primarily caused by untreated periodontal inflammation and improper brushing techniques, rather than aging [2][4]. - Correcting improper brushing habits can effectively prevent further gum recession [3]. - Most individuals experiencing gum recession are likely suffering from advanced stages of periodontal disease, which can be managed with timely treatment and good oral hygiene practices [3][4]. Group 2: Health Implications - Gum recession can lead to significant health issues, including root sensitivity, food impaction, and potential tooth loss [4]. - The presence of gum recession indicates that periodontal disease has progressed to a serious level, which may result in further complications if not addressed [4]. Group 3: Misconceptions - Common misconceptions include the belief that dental cleaning causes gum recession, when in fact, the recession may have already occurred due to underlying issues [7]. - Another misconception is that bleeding gums during brushing should be avoided, whereas it is a warning sign that requires continued attention to oral hygiene [8]. - The idea that tooth loss is inevitable with age is incorrect; maintaining good oral hygiene from a young age can lead to retaining a healthy set of teeth into old age [10].

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]

Core Viewpoint - The article emphasizes the significance of addressing gum recession, a common dental issue affecting approximately 50% of the population in China, which can lead to severe consequences such as tooth loss if not managed properly [8][12]. Summary by Sections Gum Recession Overview - Gum recession, or gingival recession, refers to the retreat of gum tissue, exposing the tooth roots and potentially leading to tooth mobility and loss [3][4]. - Symptoms include swollen gums, bleeding while brushing, sensitivity to temperature changes, and visible gaps between teeth [6]. Prevalence and Causes - A significant portion of the population, around 50%, experiences gum recession, particularly affecting the aesthetics of front teeth [8]. - The primary cause of gum recession is the accumulation of dental plaque, which leads to chronic irritation and inflammation of the gums [10]. Treatment and Prevention - While gum recession can be managed to prevent further deterioration, reversing already receded gums is challenging [12]. - Regular brushing and proper oral hygiene are crucial in mitigating gum issues [14]. Product Introduction - The article introduces "Nobida Rebuild Gum Care Toothpaste," developed by a team from Peking University, claiming to improve oral health and reduce gum problems [14][27]. - Clinical trials indicate that after two weeks of use, sensitivity decreased by 39.44%, and after four weeks, it decreased by 56.34% [32]. Clinical Validation - The toothpaste has undergone clinical validation at two dental hospitals, demonstrating its effectiveness in reducing sensitivity and improving gum health [29][38]. - A significant reduction in plaque index was reported, with an average decrease of 90.5% after 12 weeks of use [37]. Unique Selling Proposition - The toothpaste utilizes HAP-Rebuild technology, which incorporates hydroxyapatite (HAP), a natural component of teeth, to repair enamel and reduce plaque [60][62]. - Unlike traditional toothpastes that may cause enamel erosion, this product aims to enhance enamel strength and provide a protective barrier against sensitivity [75][80]. Market Positioning - The product is positioned as a premium option compared to traditional toothpastes, with a focus on long-term oral health benefits versus the costs associated with dental procedures [92]. - Pricing details include various package options, with promotional offers for bulk purchases [94][95].

Core Viewpoint - The article emphasizes the significance of gum health, particularly focusing on the issue of gum recession, its causes, symptoms, and the importance of preventive care through effective dental products [3][4][10]. Summary by Sections Gum Recession and Its Impact - Gum recession, or gum shrinkage, exposes the tooth roots, leading to potential tooth mobility and loss [3][4]. - Approximately 50% of the population in China experiences gum recession, which can affect aesthetics and lead to visible gaps between teeth, known as "black triangles" [8]. Causes and Symptoms - The primary cause of gum recession is the accumulation of dental plaque, which leads to chronic irritation of the gums [10]. - Symptoms include swollen gums, bleeding while brushing, exposed tooth roots, increased tooth sensitivity, and tooth mobility [6]. Prevention and Treatment - While gum recession can be managed to prevent further deterioration, reversing already receded gums is challenging [12]. - Regular brushing and the use of specialized dental products are crucial for maintaining gum health [14]. Product Introduction: Rebuild Gum Care Toothpaste - The article introduces "Rebuild Gum Care Toothpaste," developed by a team from Peking University, claiming to improve oral health and reduce various dental issues [14][27]. - The toothpaste has undergone clinical validation, showing significant reductions in tooth sensitivity and plaque index after two and four weeks of use [32][37]. Clinical Evidence - Clinical trials indicate a 39.44% reduction in sensitivity after two weeks and a 56.34% reduction after four weeks of using the toothpaste [32]. - The product also demonstrated a 90.5% average decrease in plaque index after 12 weeks [37]. Unique Selling Proposition - The toothpaste utilizes HAP-Rebuild technology, which incorporates hydroxyapatite (HAP), a natural component of teeth, to repair enamel and reduce plaque effectively [60][62]. - Unlike traditional whitening toothpastes that may damage enamel, this product aims to enhance tooth health while providing whitening benefits through safe ingredients [82]. Pricing and Offers - The toothpaste is available in various packaging options, with prices starting from 128 yuan for a three-pack of 50g tubes [20][94]. - Promotional offers include free samples and a money-back guarantee for unsatisfied customers [22][96].

Core Viewpoint - The article discusses the health implications of whether to brush teeth before or after breakfast, indicating that both practices are acceptable according to dental health experts [1]. Group 1: Importance of Brushing - The primary goal of brushing teeth is to remove dental plaque, a sticky film of bacteria that adheres to the tooth surface, which can proliferate if not regularly cleaned [3]. - Effective brushing should include cleaning the surfaces of the teeth, including the front, back, between teeth, gum line, and tongue [3]. Group 2: Brushing Techniques - The article recommends the "Bass technique" for brushing, which involves seven steps to ensure thorough cleaning [6]. - Key steps include positioning the toothbrush at a 45-degree angle, using short horizontal movements, and ensuring to clean all surfaces of the teeth and tongue [6]. Group 3: Common Misconceptions - Misconceptions include the belief that "natural and additive-free" toothpaste is always safer, that harder brushing leads to cleaner teeth, and that brushing for a short duration is sufficient [8]. - It is advised to replace toothbrushes every three months to maintain cleaning effectiveness [8]. Group 4: Choosing Toothbrushes and Toothpaste - When selecting a toothbrush, factors such as head size, bristle softness, and individual oral health conditions should be considered [9]. - For toothpaste, fluoride-containing options are recommended for preventing cavities, while those with desensitizing ingredients are suggested for sensitive teeth [10]. Group 5: Recommended Oral Care Routine - A suggested routine includes brushing with a soft-bristled toothbrush and fluoride toothpaste for two minutes after breakfast, followed by flossing [12]. - Regular dental check-ups every six months to a year are recommended to identify potential dental issues early [12].