Core Viewpoint - The city of Liaocheng is implementing a series of initiatives to enhance the quality of the bearing industry chain, focusing on collaboration, digitalization, innovation, and service improvements to strengthen the industry's competitive edge and support enterprise growth [1][2][3][5][6] Group 1: Collaborative Quality Improvement - The strategy emphasizes "chain-based" thinking to enhance collaboration across the bearing industry chain, focusing on upstream and downstream partnerships to improve quality [1] - A "one-stop" service platform is being established to facilitate quality element coordination, including measurement, standards, and testing, to support quality upgrades in the bearing industry [1] - Leading enterprises in the chain, such as Yujie and Bote, are encouraged to spearhead quality initiatives and engage other companies in quality improvement activities [1] Group 2: Targeted Quality Challenges - Cross-regional collaboration is being promoted to address common quality issues within the bearing industry, enhancing overall quality through joint efforts [2] - Specific quality challenges, such as precision issues in self-aligning roller bearings, are being tackled through partnerships with local quality inspection institutions, leading to significant improvements in product specifications [2] Group 3: Digital Quality Management - The adoption of digital management practices is being prioritized, integrating traditional quality tools with advanced information technologies to create a smart quality control model [3] - A "smart industrial brain" is being developed to provide comprehensive quality management services across the entire bearing production process, enhancing traceability and transparency [3][4] Group 4: Innovation-Driven Quality Enhancement - The industry is focusing on technological innovation to improve quality, with initiatives like the "One Chain, One Institute" model promoting collaboration between enterprises and research institutions [5] - Significant breakthroughs in product technology have been achieved, such as the development of a new bearing structure that increases load capacity by 20% [2][5] Group 5: Service Optimization for Quality Improvement - Efforts are being made to enhance quality infrastructure capabilities, including the establishment of a measurement testing center and the acquisition of advanced testing equipment [6] - Quality technical services are being made more accessible to enterprises through the establishment of service stations in local communities, providing direct support and solutions to over 200 companies [6]

保持器主要作用是帮助牙齿在矫正后的新位置上稳固、扎根。保持器通常无需"终身佩戴"，一般建议牙 套拆除后第一年内全天佩戴，之后根据保持的情况在医生指导下逐步改为夜间佩戴，并过渡到停止戴 用。通过长期佩戴与复查维护，维持稳定的正畸治疗效果，避免复发。 （总台央视记者 杨阳 史迎春） 如果家长自己难以判断，建议带孩子向正畸专科医师咨询。正畸治疗并非只能在青少年阶段进行，成人 也可以接受正畸治疗。尽管成年人正畸的牙齿移动速度略慢，也更容易出现牙龈退缩等并发症，但依然 可以达到良好的治疗效果，需要耐心和坚持。 国家卫生健康委今天举行新闻发布会，介绍时令节气与健康有关情况。北京大学口腔医院主任医师周永 胜介绍，对大部分人而言，矫正牙齿的最佳时机是在换完牙后，大约十一二岁，这个时期牙周组织的改 建更容易完成，牙齿的移动相对较快，发生并发症概率较小。 但有些特殊的情况需要早期矫治，比如：地包天、下颌后缩、乳牙早失或有口腔不良习惯等等。如果这 些问题不及时处理，可能会影响颌骨的正常发育、恒牙的正常替换以及口腔功能和健康。牙齿的轻度不 齐、咬合略深、门牙牙缝、轻度的"小龅牙"等情况，常常不需要早期治疗，十一二岁牙齿替换完成后， ...