Abstract:

Nowadays，there has been a continuous upsurge in the development of laser based dentistry. Laser is gradually gains attention，promotion and development. Compared with turbine，laser has several advantages in tooth preparation，for instance，being minimally invasive and painless. Moreover，patients are more likely to receive laser therapy. So in this paper，we focus on basic and clinical researches of laser therapy in dental hard tissue preparation.

Key words: laser, Erbium laser, dental hard tissue preparation

摘要：

随着科技的发展，激光在口腔医学领域作为一种辅助工具正逐渐受到重视、推广和发展。与传统涡轮机预备牙体硬组织相比，激光预备具有微创、无痛等优势，并且患者更容易接受。文章对近年来激光应用于牙体硬组织预备的基础及临床研究做一介绍。

关键词: 激光, 铒激光, 牙体硬组织预备