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J Endod. 1998 Nov;24(11):740-3.

A photoelastimetric analysis of stress induced by root-end resection.

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UFR d'Odontologie Université, Paris, France.


The aim of this study was to place into perspective some factors that played an important role in the healing of periapical lesions after surgical endodontic procedures. Root-ends were sectioned at different angulations on models and analyzed by photoelastimetry. Results showed that a section of the root-end through a plane perpendicular to the long axis of the tooth offers a better distribution of the stresses exerted on the apical region that the use of an inclined plane. The biological implications of these results have led the authors to propose a plan of resection that is perpendicular to the long axis of the tooth instead of the inclined plane commonly used.

[Indexed for MEDLINE]

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