Today, radiography is widely recognized as an important part of dental care. Radiographs are two-dimensional representations of the three dimensional objects. Conventional intra oral radiographic techniques such as periapical bitewing have been the backbone of dentistry so far. But because of their disadvantages, like patient exposure, extended chair side time, less image accuracy, the trend has turned towards digital imaging. Radiographs are seen to be an important diagnostic aid in every branch of dentistry. They are used to find the prognosis of treatment, information's regarding...