Pulp stones (PSs) are calcified masses that can be found in the pulp cavity of any deciduous or permanent tooth. They can be observed in healthy, diseased, and even unerupted or impacted teeth. Calcifications within the pulp may lead to a poorer outcome of a root canal procedure, as they can block access to the root canals, and hinder their subsequent cleaning and shaping. The paper describes 4 clinical cases of denticles located in the coronal and radicular pulp. Therapeutic methods of PS removal with different techniques and instruments are discussed. Specialist root canal treatment (RCT) was performed in aseptic conditions with the use of long-shank rose-head burs and an endodontic ultrasonic device under the magnification of a dental operative microscope (OM). During endodontic treatment, all PSs were totally removed, which allowed the further preparation, and finally obturation of the canal system. The use of modern diagnostic and therapeutic methods - three-dimensional (3D) diagnostic radiology, endodontic techniques, such as ultrasounds used during the removal of PSs and the irrigation of the canals, and the thermoplastic methods of canal obturation - can provide good results of treatment of this pathology. The removal of PSs from the pulp cavity is a complex and difficult procedure, requiring skill, dexterity, and appropriate equipment and facilities. The clinical approach introduced in this paper allows endodontists to avoid potential complications like perforation, the unnecessary removal of hard tissues or the weakening of the tooth structure.
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