It has been proposed that the use of a ferrule as part of the core or artificial crown may be of benefit in reinforcing the endodontically treated teeth restored with post-and-core systems.

• 桩核修复时,在残冠残根的断面设计箍结构,使其成为桩核或冠修复体的一部分,由此产生的箍效应可以增强修复后牙体组织的机械强度,从而受到越来越多的重视。