Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation.

Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Research Abstract Details 

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Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Abstract Text:

Bing Fan,Yuan Gao,Wei Fan,James L Gutmann,Bing Fan,Yuan Gao,Wei Fan,James L Gutmann,

The purpose of this study was to investigate the effect of image superimposition from surrounding alveolar bone and intraradicular contrast medium on radiographic interpretation of a C-shaped canal system in mandibular second molars. Thirty mandibular second molars with fused roots were collected and stored in 10% formalin solution. After being scanned by microcomputed tomography and reconstructed, the buccal-lingual radiographs of each tooth were taken with or without intraradicular contrast medium and mandibular bony plates. The number of mesial and distal canals in the coronal-to-middle canal portion and the canal number in the apical 4-mm area were recorded. The buccal-lingual and three-dimensional view of reconstructed canal images were used to evaluate the accuracy of radiograph reading. The results were subjected to the Friedman and chi-square test. The results showed that without intraradicular contrast medium, the bone superimposition could decrease the accuracy of canal recognition significantly (p < 0.001), especially in the apical area. When contrast medium was in canals, the canal reading seemed not to be affected by the bone superimposition (p > 0.05). Based on these findings, the intraradicular contrast medium could increase the accuracy of canal recognition of a C-shaped canal system in mandibular second molars despite the bone image superimposition, especially in the detection of continuous C-shaped canals and the canals in the apical area.

Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Publishing Authors By Initials

B Fan,Y Gao,W Fan,JL Gutmann,B Fan,Y Gao,W Fan,JL Gutmann,

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Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of endodontics

VOLUME: 34

Page Numbers: 160-5

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ISSN: 0099-2399

DAY: 24

MONTH: Feb

YEAR: 2008

Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Information

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LANGUAGE: eng

NlmUniqueID: 7511484

Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation. Keywords Mesh Terms:

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Grant and Affiliation Information for Identification of a C-shaped Canal System in Mandibular Second Molars-Part II: The Effect of Bone Image Superimposition and Intraradicular Contrast Medium on Radiograph Interpretation.

AFFILIATION: Key Laboratory of Oral Biomedical Engineering of Ministry of Education, Endodontic Center, School and Hospital of Stomatology, Wuhan University, Wuhan, China.

Country: United States

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MEDLINETA: J Endod

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