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Prevalence of Pulp Canal Obliteration and Periapical Pathology in Human Anterior Teeth: A Three-dimensional Analysis Based on CBCT Scans

Overview
Journal Aust Endod J
Specialty Dentistry
Date 2022 Jul 25
PMID 35877115
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Abstract

This study aimed to determine the prevalence of pulp canal obliteration (PCO) and its association with periapical pathology (Hypodense areas) in cone-beam computed tomography (CBCT) scans of anterior teeth. A total of 2161 CBCT scans from patients 18 years or older taken between 2000 and 2020 were selected. Patient-, tooth- and scan-related data were registered. Two calibrated evaluators recorded the number of teeth with PCO ≥4 mm in the cervical third of the roots and the presence or absence of periapical hypodensities (PH). The length of the root canal that was calcified was also determined. Logistic regression analysis was used to determine whether any of the recorded factors influenced the presence of PCO and the presence of periapical pathology in teeth presenting with PCO. The only factor significantly related to the presence of PCO was patient age. The prevalence of PH in teeth exhibiting PCO was 10%.

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