Program including abstracts as pdf available here
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OP 145<br />
Title<br />
CONE-bEAM COMPuTED TOMOGRAPHy AND MANAGEMENTS IN ENDODONTICS PRObLEMS<br />
Authors<br />
N. AMINTAVAKOLI 1 , A. GHAzNAVI 2 , M. AMINTAVAKOLI 2<br />
Affiliations<br />
1 University of Toronto, Department of Oral Radiology, Toronto, CANADA, 2 University of Shaheed<br />
Beheshti,Department of Oral Radiology, Tehran, IRAN<br />
Body<br />
Aim and background: Radiographic examination is an essential component of the management<br />
of endodontic problems. Periapical radiography is a two-dimensional (2D) representation of a<br />
three-dimensional (3D) object. T<strong>here</strong> is also limitation due to the superimposition of adjacent<br />
tissues, morphologic variations, surrounding bone density, x-ray angulations, and radiographic<br />
contr<strong>as</strong>t. Using small volume cone beam computed tomography (CBCT) imaging techniques,<br />
which is capable of producing three-dimensional images of an individual tooth and it surrounding<br />
tissues, can enable us to overcome the above-mentioned issues. This article compares<br />
intraoral radiographs and cone beam computed tomography (CBCT) in diagnosing endodontic<br />
problems.<br />
Materials and methods: Articles in Pubmed from 2000 to 2010 were reviewed.<br />
Conclusion: Multiplanar reformatting CBCT images eliminate the superimposition of anatomical<br />
structures. Since CBCT scans are capable of an accurate me<strong>as</strong>uring of the cortical and cancellous<br />
bone, it is desirable to <strong>as</strong>sess posterior teeth prior to periapical surgery. Additionally, the<br />
inclination of roots in relation to the surrounding structures can be visualized.<br />
CBCT studies are able to detect periapical dise<strong>as</strong>es in early stages compared with periapical<br />
radiographs. Also, the true size, extent, nature and position of these lesions in relation with<br />
teeth and surrounding structures can be <strong>as</strong>sessed. Other suggested uses of CBCT scans in<br />
endodontics include: root fractures, root canal anatomy and the true nature of the alveolar<br />
bone topography around teeth. The relationship of anatomical structures such <strong>as</strong> the maxillary<br />
sinus and inferior dental nerve to the root apices and also the possible effect on these structures<br />
can be visualized.<br />
Keywords<br />
Conebeam CT scan, Endodontics, Management in endodontics<br />
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