Pilz G, Nitzschke M
Stomatol DDR. 1978 Oct;28(10):746-8.
To illustrate the great variety of wisdom teeth impactions, the authors report a case where a vertically impacted 48 projected with its apex over the mandibular border by almost 2 mm. Possible causes of impaction and their consideration in the surgical removal of such teeth are mentioned.
为说明智齿阻生的多样性，作者报告了一例病例，其中一颗垂直阻生的48号牙牙尖在下颌骨边缘上方突出了近2毫米。文中提到了阻生的可能原因以及在拔除此类牙齿的手术中对这些原因的考量。
