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Updated: Aug 3, 2026

Preparation and Observation of Thick Biological Samples by Scanning Transmission Electron Tomography
Published on: March 12, 2017
Scanning electron microscopy and histologic analysis of an apexification "cap": a case report
L A Baldassari-Cruz1, R E Walton, W T Johnson
1University of Iowa Dental College, Department of Endodontics S435, Iowa City 52240, USA.
Abstract:
A maxillary permanent central incisor with a history of trauma, apexification, and internal thermocatalytic bleaching sustained a horizontal fracture at the cementoenamel junction, which necessitated extraction of the tooth. After removal, the root apex was examined histologically and by scanning electron microscopy. An apexification "cap" with unusual anatomic character and structure was observed.
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