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Radiographic featur...
Radiographic features in 2D imaging as predictors for justified CBCT examinations of canine-induced root resorption.
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- Andresen, Amanda K H (author)
- University of Bergen, Norway
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- Jonsson, Malin V (author)
- University of Bergen, Norway; Oral Health Centre of Expertise in Western Norway
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- Sulo, Gerhard (author)
- Oral Health Centre of Expertise in Western Norway; Norwegian Institute of Public Health
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- Thelen, Dorina S (author)
- Oral Health Centre of Expertise in Western Norway
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- Shi, Xie-Qi (author)
- Malmö universitet,Odontologiska fakulteten (OD),Department of Clinical Dentistry, Section for Oral and Maxillofacial Radiology, University of Bergen, Norway
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(creator_code:org_t)
- British Institute of Radiology, 2021
- 2021
- English.
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In: Dento-Maxillo-Facial Radiology. - : British Institute of Radiology. - 0250-832X .- 1476-542X. ; 51:1
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https://mau.diva-por... (primary) (Raw object)
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Abstract
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- OBJECTIVES: This retrospective observational study aimed to evaluate the diagnostic accuracy of two-dimensional radiographs on canine-induced root resorption (CIRR) in lateral incisors and identify predictors of CIRR in patients with impacted maxillary canines (IMC).METHODS: Ninety-nine patients aged 9-17 years, with 156 IMCs, were included in the study. All had CBCT-volumes and two-dimensional radiographs consisting of at least one panoramic radiograph. Two radiologists jointly viewed all cases twice. First, radiographic features related to the IMC and possible CIRR were recorded from two-dimensional radiographs. Then, CIRR was determined from CBCT and according to position and extension classified as mild, moderate and severe.RESULTS: CIRRs was detected in 80% of lateral incisors (mild: 45%; moderate: 44%; severe: 11%). The sensitivity was generally low at mild and moderate cut-offs (29 and 29%), and somewhat higher for severe (50%). Corresponding specificities were 48%, 63% and 68%. Canine cusp-tip superimposing the lateral incisor's middle third and root/crown ratio >1 was positively associated with mild CIRR, with an odds ratio (OR) of 3.8 and 6.7, respectively. In addition, the root development stage was positively associated with moderate/severe CIRR when the canine root was nearly or fully developed (OR = 3.1).CONCLUSIONS: The diagnostic accuracy of two-dimensional radiographs was inadequate for detecting CIRR amongst patients referred for CBCT examinations. Based on our results, none of the suggested two-dimensional radiographic features could predict moderate/severe CIRR except for root development stage. IMC in a later stage of root development seems to be associated with a higher risk of moderate/severe CIRR.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Keyword
- Cone-beam computed tomography
- impacted
- radiation effects
- tooth
Publication and Content Type
- ref (subject category)
- art (subject category)
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