| A suggested technique for the application of the cone beam computed tomography periapical index. | |
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MedLine Citation:
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PMID: 22065800 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVES: Cone beam CT (CBCT) produces undistorted three-dimensional (3D) images of the maxillofacial region with a radiation dosage lower than conventional CT. The periapical index score (PAI) is commonly used to follow up the lesions in the bone using periapical radiographs. Recently, a new PAI based on CBCT was introduced (CBCT-PAI). The aim of this technical report is to present a modified reproducible method to assess the CBCT-PAI. METHODS: CBCT was used to evaluate a periapical bone lesion observed in the area of tooth number 13 before treatment and 2 years after treatment. The modified CBCT-PAI was applied to both the examinations to measure the lesion. The dimensional analysis of the lesion was performed in each plane, assessing three fixed and reproducible dimensions: mesiodistal (M-D), buccolingual (B-L) and coronoapical (C-A). The images were evaluated by three mutually independent examiners. Data were collected and reported in a chart. The results were compared with each other and with the PAI score from the periapical radiographs. RESULTS: The three observers reported the same measurements of the lesion for each plane. The CBCT-PAI follow-up showed a reduction of the size of the lesion (5D vs 4D) but also an increase in the erosion of the buccal cortical plate. The comparison of CBCT-PAI with classic PAI showed the first method to be more precise. CONCLUSIONS: This technical report shows how the CBCT-PAI can be applied to the CBCT exam of a periapical lesion in a reproducible way. |
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Authors:
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S Esposito; M Cardaropoli; E Cotti |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Dento maxillo facial radiology Volume: 40 ISSN: 0250-832X ISO Abbreviation: Dentomaxillofac Radiol Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-11-08 Completed Date: - Revised Date: - |
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: 506-12 Citation Subset: D |
Affiliation:
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Elisabetta Cotti, via Roma # 149, Cagliari, Italy, Email: Cottiend@tin.it. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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