X线检查在口腔疾病的诊断中占有极重要的地位,其中尤以根尖片的应用最广。然而,用于儿童则受许多条件的限制,所拍摄的X线片往往达不到满意的效果。因此,积累这方面的资料是比较困难的。目前,国内不论在教科书中或是有关的专题论述都比较简单。今后随着儿童牙病防治工作的广泛开展,相应对儿童X线片的应用,也必将更为普遍。由于乳牙及年青恒 X-ray examination in the diagnosis of oral diseases occupy a very important position, especially the most widely used apical films. However, the use of children is limited by many conditions, the X-ray film is often not satisfactory results. Therefore, the accumulation of information in this area is more difficult. At present, both in the textbook and the related thematic discussion are relatively simple. In the future with the widespread dental prevention and treatment of children, the corresponding application of children's X-ray films, will also be more common. As a result of deciduous teeth and young constant