As seen in Foreshortening it will be leading to difficulty in getting the correct working length during Endodontic Treatment and other diagnostic procedures. This can make it difficult in certain cases like Endodontic treatment where the working length cannot be properly determined due to the difference in size of the tooth.Įlongation refers to images of the teeth and surrounding structures appear longer than in real.Ĭause of Elongation: Due to decreased vertical angulation of the x-ray tube while capturing the x-ray. Radiographic faults resulting from faulty radiographic techniques:įoreshortening as the name suggests refers to images of teeth and other structures in the x-ray appear too short.Ĭause of Foreshortening: Due to excessive vertical angulation (too high) of the x- ray tube during taking the radiograph. Sharpness: This plays an important role in deciding if the x-ray is good or not, as sharpness defines the details in the x-ray which is useful in defining the borders and outlines of the teeth or restoration or extent of caries in the x-ray. It is useful in seeing the PDL widening which cannot be visible if the contrast is too low or too high. The changes in kV alters the density of the radiograph – decrease in kV decreases the density making the radiograph lighter, while increase in kV increases the density making the radiograph darker.Ĭontrast: It can be described as the degree of darkness on the radiograph, it is very important as it helps in identifying the borders. For an ideal Radiograph the following things should be satisfied – Good Density, Good Sharpness, Accurate positioning and Good Contrast, when all the above criteria are not fulfilled it results in a faulty radiograph which deters the diagnosis of the condition and can in turn result in the inability to decide on a proper treatment plan.īefore we go into the various types of Radiographic faults, let us look at what the important aspects defining a good Radiograph actually mean as they directly affect the quality of the Radiograph and having a proper idea about each one is important.ĭensity: This is the darkness or the black areas seen on the radiograph, the soft tissue or the lack of hard tissue can be identified by Black regions on the radiograph. A good radiograph is an essential part of any Dental Diagnosis involving the hard tissue (Tooth or Bone) and getting an ideal radiograph is important to get a proper diagnosis.
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