为避免深度镇静和全麻对小儿可能造成的严重并发症,近来清醒镇静技术已被广泛应用。清醒镇静(conscious sedation)是指对意识水平产生轻微的抑制,同时患者能保持连续、自主的呼吸和对物理刺激和(或)语言指令作出适当反应的能力。这与深度镇静(deep sedation)有着重要区别。从而降低了呼吸道意外的危险,减轻了牙科医师和患儿双方的紧张感,小儿除具有一定自控能力外,还产生一定程度的情绪改变、遗忘和镇痛作用,从而允许牙科操作得以顺利完成。但是,应注意小儿对镇静剂的个体差异性,清醒镇静作用的药物剂量可能使某些小儿出现深度镇静。越是 In order to avoid the deep sedation and general anesthesia may cause serious complications in children, recent conscious sedation technology has been widely used. Conscious sedation refers to a slight inhibition of the level of consciousness while the patient maintains the ability to continuously and autonomously breathe and react appropriately to physical stimuli and / or verbal instructions. This is an important distinction from deep sedation. Thus reducing the risk of respiratory accidents and alleviating the tension between dentists and children. In addition to having some self-control ability, children also have some degree of emotional changes, forgetfulness and analgesic effects that allow dental operations to be successfully completed. However, it should be noted that individual differences in sedatives in children, sober sedative dose of drugs may make some children have a deep sedation. The more