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Versatility of the cone beam computed tomography in oral surgery: an overview

Author(s): Kishan G. Panicker | Anuroopa Pudukulangara Nair | Bipin Chandra Reddy

Journal: Surgical Techniques Development
ISSN 2038-9574

Volume: 1;
Issue: 2;
Start page: e31;
Date: 2011;
Original page

Keywords: CBCT | anatomical structure | diagnosis | low dose | tomography | quantitative analyses | bone density.

Cone beam CT (CBCT) produces threedimensional information on the facial skeleton, teeth and their surrounding tissues; and is increasingly being used in many of the dental specialties. This is usually achieved with a substantially lower effective dose compared with conventional medical computed tomography (CT). Periapical pathologies, root fractures, root canal anatomy and the true nature of the alveolar bone topography around teeth may be assessed. CBCT scans are desirable to assess posterior teeth prior to periapical surgery, as the thickness of the cortical and cancellous bone can be accurately determined as can the inclination of roots in relation to the surrounding jaw. The relationship of anatomical structures such as the maxillary sinus and inferior dental nerve to the root apices may also be clearly visualized. Measurements on CBCT are more accurate when compared with OPG. Therefore, CBCT permits the clinician to have all necessary information when planning dental implants. The purpose of this article is to provide an overview of the unique image display capabilities of maxillofacial CBCT systems and to illustrate specific applications in clinical practice.
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