PubMed · 7742097
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D J Buddery. 1995-04-22. Unpredictable teeth.. https://doi.org/10.1038/sj.bdj.4808735
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This study evaluated the value of microcomputed tomography (MCT) for use in endodontic research. Four periodontally involved highly calcified maxillary first molars were extracted and then scanned for evaluation by a MCT system. The teeth were then instrumented, and 2 of the 4 obturated before rescanning for comparison evaluation. Several capabilities of the MCT to advance endodontic research significantly were observed: the ability of the MCT to present accurately the external and internal morphologies of the tooth without tooth destruction; the possibility of showing changes over time in surface areas and volumes of tissues; the ability to assess area and volume changes after instrumentation or obturation; and the capability of evaluating canal transportation following instrumentation or instrumentation and obturation. The tremendous potential of this scientific tool was discussed.
Luxation injuries range in severity from a mild blow to a more severe form, which can cause pulpal necrosis and additional sequelae. This article reviews the epidemiology and describes the various classifications, the appropriate treatment, and the various sequelae of luxation injuries.
This article presents the removal of an attached pulp denticle with the use of a pulsed dye laser. The quartz fiber was introduced in the root canal and placed in direct contact with the free border of the denticle. Thirty-two pulses were necessary to fragment the pulp stone. A scanning electron-microscopic study shows a sharp section at the base of the pulp stone.