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Year : 2015  |  Volume : 15  |  Issue : 1  |  Page : 8-13

Fundamentals of cone beam computed tomography for a prosthodontist

1 Department of Prosthodontics, Annoor Dental College and Hospital, Muvattupuzha, Kerala, India
2 Department of Oral Medicine and Radiology, Sree Mookambika Institute of Dental Sciences, Kulasekharam, Kanyakumari, Tamil Nadu, India
3 Department of Oral and Maxillofacial Surgery, Malabar Dental College and Research Centre, Edappal, Kerala, India
4 Department of Oral and Maxillofacial Pathology, Malabar Dental College and Research Centre, Edappal, Kerala, India

Correspondence Address:
Prof. George Puthenpurayil John
#8A, B. Paul Abrao Residency, Chittoor Road, Kacheripady, Kochi - 682 018, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-4052.157001

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Cone beam computed tomography (CBCT, also referred to as C-arm computed tomography [CT], cone beam volume CT, or flat panel CT) is a medical imaging technique of X-ray CT where the X-rays are divergent, forming a cone. [1] CBCT systems have been designed for imaging hard tissues of the maxillofacial region. CBCT is capable of providing sub-millimeter resolution in images of high diagnostic quality, with short scanning times (10-70 s) and radiation dosages reportedly up to 15-100 times lower than those of conventional CT scans. Increasing availability of this technology provides the dental clinician with an imaging modality capable of providing a three-dimensional representation of the maxillofacial skeleton with minimal distortion. The aim of this article is to sensitize the Prosthodontist to CBCT technology, provide an overview of currently available maxillofacial CBCT systems and review the specific application of various CBCT display modes to clinical Prosthodontic practice. A MEDLINE search for relevant articles in this specific area of interest was conducted. The selected articles were critically reviewed and the data acquired were systematically compiled.

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