Er∶YAG激光作为第一种被美国食品药品监管总局批准用于口腔硬组织的激光,以其高效、无痛和对牙髓组织损伤小等特点越来越受到人们的关注。Er∶YAG激光在对恒牙和乳牙备洞及直接作用于牙髓时,产生的热效应小,不会给牙髓组织带来不可逆损伤。还可以降低炎症反应程度,促进牙本质桥的快速生成。 As the first laser approved by the Food and Drug Administration for oral hard tissue, Er: YAG laser is gaining more and more attention due to its high efficiency, painlessness and low damage to pulp tissue. Er: YAG laser has small thermal effects on the permanent teeth and deciduous teeth and directly on the dental pulp, which will not cause irreversible damage to pulp tissue. Can also reduce the degree of inflammatory response and promote the rapid generation of dentin bridge.