Biomedical Engineering and Biomechanics Center, School of Aerospace, Xi'an Jiaotong University, Xi'an, PR China.
Dent Mater. 2010 Jun;26(6):501-13. doi: 10.1016/j.dental.2010.02.009. Epub 2010 Mar 19.
With rapid advances in modern dentistry, high-energy output instruments (e.g., dental lasers and light polymerizing units) are increasingly employed in dental surgery for applications such as laser assisted tooth ablation, bleaching, hypersensitivity treatment and polymerization of dental restorative materials. Extreme high temperature occurs within the tooth during these treatments, which may induce tooth thermal pain (TTP) sensation. Despite the wide application of these dental treatments, the underlying mechanisms are far from clear. Therefore, there is an urgent need to better understand heat transfer (HT) process in tooth, thermally induced damage of tooth, and the corresponding TTP. This will enhance the design and optimization of clinical treatment strategies. This paper presents the state-of-the-art of the current understanding on HT in tooth, with both experimental study and mathematical modeling reviewed. Limitations of the current experimental and mathematical methodologies are discussed and potential solutions are suggested. Interpretation of TTP in terms of thermally stimulated dentinal fluid flow is also discussed.
随着现代牙科技术的快速发展，高能输出仪器（如牙科激光和光聚合单元）越来越多地应用于牙科手术中，用于激光辅助牙齿消融、漂白、过敏治疗和牙科修复材料的聚合等应用。在这些治疗过程中，牙齿内部会产生极高的温度，这可能会引起牙齿热痛（TTP）感。尽管这些牙科治疗方法得到了广泛的应用，但其中的潜在机制仍远未清楚。因此，迫切需要更好地了解牙齿中的传热（HT）过程、牙齿的热损伤以及相应的 TTP。这将有助于临床治疗策略的设计和优化。本文介绍了当前对牙齿中 HT 的理解的最新进展，包括实验研究和数学建模的综述。讨论了当前实验和数学方法的局限性，并提出了潜在的解决方案。还讨论了从热刺激牙本质液流的角度来解释 TTP 的问题。
