| Correlation of panoramic radiography and cone beam CT findings in the assessment of the relationship between impacted mandibular third molars and the mandibular canal. | |
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MedLine Citation:
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PMID: 22282507 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The aim of this study was to assess the reliability of four panoramic radiographic findings, both individually and in association, in predicting the absence of corticalization between the mandibular canal and the third molar on cone beam CT (CBCT) images. METHODS: The sample consisted of 72 individuals (142 mandibular third molars) who underwent pre-operative radiographic evaluation before extraction of impacted mandibular third molars. On panoramic radiographs, the most common signs of corticalization (darkening of roots, diversion of mandibular canal, narrowing of mandibular canal and interruption of white line) and the presence or absence of corticalization between the mandibular third molar and the mandibular canal on CBCT images were evaluated. RESULTS: Darkening of roots and interruption of white line associated with the absence of corticalization between the mandibular third molar and the mandibular canal on CBCT images were statistically significant, both as isolated findings (p = 0.0001 and p = 0.0006, respectively) and in association (p = 0.002). No statistically significant association was observed for the other panoramic radiographic findings, either individually or in association (p > 0.05). CONCLUSION: Darkening of roots and interruption of white line observed on panoramic radiographs, both as isolated findings and in association, were effective in determining the risk relationship between the tooth roots and the mandibular canal, requiring three-dimensional evaluation of the case. |
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Authors:
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F S Neves; T C Souza; S M Almeida; F Haiter-Neto; D Q Freitas; F N Bóscolo |
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Publication Detail:
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Type: Comparative Study; Journal Article; Validation Studies Date: 2012-01-26 |
Journal Detail:
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Title: Dento maxillo facial radiology Volume: 41 ISSN: 0250-832X ISO Abbreviation: Dentomaxillofac Radiol Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-09-18 Completed Date: 2012-12-04 Revised Date: 2013-04-16 |
Medline Journal Info:
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Nlm Unique ID: 7609576 Medline TA: Dentomaxillofac Radiol Country: England |
Other Details:
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Languages: eng Pagination: 553-7 Citation Subset: D |
Affiliation:
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State University of Campinas, Department of Oral Diagnosis, Piracicaba, Sao Paulo, Brazil. fredsampaio@yahoo.com.br |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Case-Control Studies Cone-Beam Computed Tomography / statistics & numerical data* Female Forecasting Humans Image Processing, Computer-Assisted / statistics & numerical data Imaging, Three-Dimensional / statistics & numerical data Male Mandible / radiography* Molar, Third / radiography* Observer Variation Radiography, Panoramic / statistics & numerical data* Retrospective Studies Risk Assessment Tooth Root / radiography Tooth, Impacted / radiography* Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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