Comparison of intraoral radiography and limited cone beam computed tomography for the assessment of root-fractured permanent teeth

Bornstein, Michael M; Wölner-Hanssen, Andrea B; Sendi, Pedram; von Arx, Thomas (2009). Comparison of intraoral radiography and limited cone beam computed tomography for the assessment of root-fractured permanent teeth. Dental traumatology, 25(6), pp. 571-7. Oxford: Blackwell Munksgaard 10.1111/j.1600-9657.2009.00833.x

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AIM: To compare intraoral occlusal (OC) and periapical (PA) radiographs vs. limited cone beam computed tomography (CBCT) in diagnosing root-fractured permanent teeth. MATERIAL AND METHODS: In 38 patients (mean age 24 years, range 8-52 years) with 44 permanent teeth with horizontal root fractures, intraoral radiographs (PA and OC) and limited CBCT were used to evaluate the location (apical, middle, cervical third of the root) and angulation of the fracture line. Furthermore, the conventional radiographs and CBCT images were compared for concordance of fracture location. RESULTS: In the PA and OC radiographs, 28 fractures (63.6%) were located in the middle third of the root, 11 (25.0%) in the apical third and 5 (11.4%) in the cervical third. The PA/OC radiographs and the sagittal CBCT images (facial aspect) yielded the same level of root fracture in 70.5% of cases (31 teeth; 95% CI: 54.1-82.7%). The PA/OC radiographs and sagittal CBCT images (palatal aspect) showed the same level of root fracture in 31.8% of cases. There was a statistically significant association between the angle at which the root fracture line intersected the axis of the tooth and the level of root fracture in the facial aspect of the sagittal CBCT images. CONCLUSIONS: The diagnosis of the location and angulation of root fractures based on limited CBCT imaging differs significantly from diagnostic procedures based on intraoral radiographs (PA/OC) alone. The clinical significance for treatment strategies and for the prognosis of root-fractured teeth has to be addressed in future studies.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology
UniBE Contributor:	Bornstein, Michael, von Arx, Thomas
ISSN:	1600-4469
Publisher:	Blackwell Munksgaard
Language:	English
Submitter:	Eveline Carmen Schuler
Date Deposited:	04 Oct 2013 15:10
Last Modified:	05 Dec 2022 14:21
Publisher DOI:	10.1111/j.1600-9657.2009.00833.x
PubMed ID:	19843131
Web of Science ID:	000271709800004
URI:	https://boris.unibe.ch/id/eprint/30977 (FactScience: 195357)