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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

April 2006
Volume 37 , Issue 4

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The Dahl principle: Creating space and improving the biomechanical prognosis of anterior crowns

Basil Mizrahi, BDS, MSc, Med

Pages: 245251
PMID: 16594355

There is an increased demand for restoration of anterior teeth based on esthetic requirements. Oftentimes, the teeth restored are compromised and have minimal remaining dentin after undergoing root canal treatment. Reduction of nonaxial forces by controlling incisal guidance is essential in improving the long-term prognosis of such situations. Another common complication when crowning anterior teeth is the lack of palatal space for restorative material. This is often evident in patients with anterior tooth wear and deep overbite. This article describes the Dahl principle, a conservative method for controlling incisal guidance and gaining palatal space for restorative material. A case presentation is used to illustrate the concepts discussed.

(Quintessence Int 2006;37:245251)
Key words: anterior teeth, biomechanical forces, Dahl principle, incisal guidance

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