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Reinclusion of tooth 55 observed in a cone beam computed tomography examination – a case report

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Katarzyna Denkiewicz, Bartosz Samczyk, Tomasz Tomaszewski, Ingrid Różyło-Kalinowska

1/2017/XLV s. 113–116
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Fraza do cytowania: Denkiewicz K., Samczyk B., Tomaszewski T., Różyło-Kalinowska I. Reinclusion of tooth 55 observed in a cone beam computed tomography examination – a case report. Dental Forum. 2017;XLV(1):113–116. DOI:

Dental reinclusion is a process of the gradual distancing of a completely or partially erupted tooth from the occlusal plane, in advanced cases resulting in its immersion into the alveolar bone. Infraocclusion may be recognized in the case of an increased distance (at least 1 mm) between the occlusal surface of a tooth and the occlusal plane of teeth. The prevalance of reinclusion in the Polish population is low, about 0.07–1%. It frequently concerns milk molars in the mandible. The aim of the study was to present the case of a 6-year old patient referred for a cone beam computed tomography CBCT examination, which was taken with a KODAK 9000 3D device (field of view 37 mm vertical, 50 mm horizontal). It revealed reinclusion of the right maxillary primary second molar. The bud of tooth 15 was also observed, located palatally, which could be difficult to observe in two-dimensional radiological studies. Dentists who refer patients for radiological examinations should take into account the principle of ALARA (as low as reasonably achievable). This means that the most useful examination should be performed with the lowest possible dose of radiation. Volumetric tomography, which can be limited to the eligible area, allows for an accurate assessment of adjacent anatomical structures at a relatively low dose of radiation.

Key words: tooth ankylosis, cone beam computed tomography, primary dentition.

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