Bartlett D W, Ricketts D N, Fisher N L
UMDS, Guy's Dental Hospital, London.
Dent Update. 1997 Dec;24(10):431-6.
This paper describes the acute and chronic causes of short clinical crowns and their management. Fracture or trauma are common causes of acute failures whilst toothwear is the most common cause for chronic causes. There are many methods of restoring teeth using conventional indirect techniques, which may alter the existing occlusal vertical dimension (such as orthodontic Dahl appliances), or conserving the vertical dimension by increasing the length of the teeth. These methods are described and illustrated to assist the practitioner choose the most appropriate restoration.
本文描述了临床牙冠过短的急性和慢性病因及其处理方法。骨折或外伤是急性牙冠过短的常见原因，而牙齿磨损是慢性牙冠过短的最常见原因。使用传统间接技术修复牙齿有多种方法，这些方法可能会改变现有的咬合垂直距离（如正畸达尔矫治器），或通过增加牙长来保留垂直距离。本文对这些方法进行了描述和说明，以帮助从业者选择最合适的修复方法。
