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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Root canal calcification represents a serious problem which often occurs in clinical practice. Calcified root canals are difficult or even impossible to find and treat conservatively. In this paper, a technique is proposed which may be helpful in detecting and locating calcified root canal(s) and properly treating them. The proposed technique is simple and easy to perform in posterior and anterior teeth, and it may be useful in everyday clinical practice.
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.