Cone‐beam computed tomography—Predictors and characteristics of usage in Australia and New Zealand, a multifactorial analysis

Mathew, Abhishek Isaac; Lee, Silvia C; Ha, William Nguyen; Rossi‐Fedele, Giampiero; Doğramacı, Esma J.

doi:10.1111/aej.12663

Cited by 4 publications

(1 citation statement)

References 18 publications

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“…For example, access cavity design may be modified in the presence of a lingual canal ( 40 ), and non-surgical retreatment instead of surgical may be chosen if a missed canal is identified. These CBCT applications are aligned with those reported in recent surveys ( 41 , 42 ). Further multi-centre studies to assess the variability in morphology of mandibular incisors using the Ahmed et al classification are recommended globally to better understand the root and canal morphology of root types not classifiable based on the Vertucci classification.…”

Section: Discussionsupporting

confidence: 88%

Cone-beam Computed Tomography Analysis of the Root Canal Morphology of Mandibular Incisors Using Two Classification Systems in a Spanish Subpopulation: A Cross-Sectional Study

HERRERO-HERNÁNDEZ

2024

Eur Endod J

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Objective This study evaluated the root and canal morphology in permanent mandibular incisors teeth using cone-beam computer tomography imaging in a Spanish subpopulation, and compared these findings with ipsilateral (similarity) and contralateral (symmetry) incisors. In addition, the position of canal splitting was measured. Methods A total of 229 datasets comprising four mandibular teeth each (n=916 incisors) were analysed using Vertucci and Ahmed et al. classifications, and, the similarity and symmetry were calculated. The distance from the cemento-enamel junction (CEJ), and the most coronal canal divergence was measured (if present). The role of sex was also assessed. The Cochran Q Test, LOGIS PROC in SUDAAN, Chi-square, and Kappa were used for the different comparisons. A p-value of less than 0.05 was considered significant. Results All incisors were single-rooted and no significant differences regarding root canal morphology were found according to the sex of the subjects included in the database. The most common morphology was Vertucci type I/Ahmed et al. 1 MI 1 (65.3% for central and 66.8% for lateral incisors respectively), followed by type III/ 1 MI 1–2–1 (31% for central and 30.6% for lateral incisors). 1.8% of the samples were considered as non-classifiable with Vertucci but were classified with codes using the Ahmed et al. system. Similarity values were 74.7% for the left side, and 74.2% for the right side, whereas symmetry values were 90% for central and 84.3% for lateral incisors. In the presence of divergences, the main (SD) distances from the CEJ were for type II/1MI 1–2–1 3.8±0.8 (centrals) 4.0±0.7 mm (laterals); for type V/ 1 MI 1–2 this value ranged between 6.0±1.8 and 5.5±1.5 mm, whereas values for 1 MI 1–2–3–2–1 were 1.8 and 2.1 mm. No significant differences were found when the position of the most coronal divergence was compared between lateral and central incisors for the different morphologies. Conclusion A high prevalence of Vertucci I/Ahmed et al. 1 MI 1 configuration was present in mandibular incisors from Spanish individuals. Similarity and symmetry were common, particularly for central incisors. The position of the coronal splitting of the canals varied according to the root canal morphology.

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Section: Discussionsupporting

confidence: 88%