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In the past decade, usage of cone beam computed tomography is increasing in oral and maxillofacial surgery. This helps in directing the surgeon in various approaches. It offers 3 dimensional and multiplanar views for accurate diagnosis and treatment planning without financial burden and radiation exposure as of by CT scans. It overcomes the limitations of 2D imaging like magnification of superimposition, distortion and magnification. It has various applications in oral and maxillofacial surgery like in Trauma, TMJ, Implantology, Orthognathic surgery and pathology. However, it lacks to provide a detailed information on pathologic conditions, space infections and TMJ evaluation. They are also useful in planning and placement of implants to replace missing teeth. Using CBCT, the data can be extracted and a template can be fabricated and plans in placing the implants. They apply a method for applying CBCT data to place implants. Now, we shall discuss in detail, the role of CBCT in various fields of oral and maxillofacial surgery.