牙髓切断术对保持乳牙部分活力和保存乳牙至恒牙萌出至关重要。目前尚无一种牙髓切断方式达到理想状态,对于儿童这个生理与心理都特殊的群体来说,激光是新近发展起来的一种方法,它在软组织切割、局部止血等方面都有独到之处。本文就近年来不同类型激光用于乳牙牙髓切断术的应用进展作一综述。 Endodontic surgery is essential to maintain the vitality of the primary teeth and preserve the deciduous teeth until the permanent teeth erupt. At present, there is no dental pulp cutting method to achieve the ideal state, for children, this physiological and psychological are all special groups, the laser is a newly developed method, which in soft tissue cutting, local hemostasis has its own uniqueness . This review summarizes the application of different types of laser in deciduous pulp dental pulpotomy in recent years.