期刊
INTERNATIONAL ENDODONTIC JOURNAL
卷 35, 期 7, 页码 575-581出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1365-2591.2002.00557.x
关键词
dental prosthesis design; ferrule; post and core; tooth
Literature review A ferrule is a metal ring or cap used to strengthen the end of a stick or tube, It has been proposed that the use of a ferrule as part of the core or artificial crown may be of benefit in reinforcing root-filled teeth. A review of the literature investigating this effect is presented. The literature demonstrates that a ferrule effect occurs owing to the artificial crown bracing against the dentine extending coronal to the crown margin. Overall, it can be concluded that a ferrule is desirable. but should not be provided at the expense of the remaining tooth/root structure.
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