39 research outputs found

    Root Canal Anatomy of Maxillary and Mandibular Teeth

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    It is a common knowledge that a comprehensive understanding of the complexity of the internal anatomy of teeth is imperative to ensure successful root canal treatment. The significance of canal anatomy has been emphasized by studies demonstrating that variations in canal geometry before cleaning, shaping, and obturation procedures had a greater effect on the outcome than the techniques themselves. In recent years, significant technological advances for imaging teeth, such as CBCT and micro-CT, respectively, have been introduced. Their noninvasive nature allows to perform in vivo anatomical studies using large populations to address the influence of several variables such as ethnicity, aging, gender, and others, on the root canal anatomy, as well as to evaluate, quantitatively and/or qualitatively, specific and fine anatomical features of a tooth group. The purpose of this chapter is to summarize the morphological aspects of the root canal anatomy published in the literature of all groups of teeth and illustrate with three-dimensional images acquired from micro-CT technology.info:eu-repo/semantics/publishedVersio

    Endodontic and microsurgical treatments of maxillary lateral incisor dens invaginatus in combination with cone-beam-computed tomography fusion imaging

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    In this case report, we present the endodontic treatment and microsurgical intervention of dens invaginatus affecting a lateral incisor using cone-beam-computed tomography (CBCT). A 26-year-old woman visited us with a diagnosis of acute apical periodontitis in the upper right lateral incisor (tooth 12). Endodontic treatment of the tooth was carried out. Intraoral radiography provided limited information on the unusual anatomy of the pulp chamber and root canal system; therefore, preoperative CBCT was performed. At the 3-month recall, a radiograph revealed a 5-mm-diameter lateral transparency, and CBCT was, therefore, repeated to facilitate microsurgery treatment planning. A medical image-processing program was used to demonstrate the changes between the CBCT images obtained before and after root canal preparation. In conclusion, endodontic treatment of dens invaginatus is challenging even for endodontic specialists, because the therapy sometimes requires surgical intervention. The currently available novel three-dimensional imaging modalities may have importance in planning and following up the root canal treatment in such cases, especially when unforeseen complications arise
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