Intergrated imaging technology has evolved after the develoment of CCD (Charge Coupled Device detectors). Filmless digital dental x-rays are now available allowing graphical manipulation via computers. Digital facial photographs are also possible, allowing patients to view computer projected post operative facial changes. Computerized Axial Tomography (CAT scan) was invented in the 70's by "The Beatles's" EMI Corporation in the United Kingdom (G. N. Hounsfield). CAT scans were the result of intergrating x-rays and computers. CAT scans are excellent for visualizition of the facial skeleton.
The MRI scan (Magnetic Resonance Imaging) provides the capability for more definitive soft-tissue analysis. The MRI is used for assessing the status of the articular disc of the TMJ in oral and maxillofacial surgery. In addition, it is helpful diagnosing infection of the head and neck region.
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