Radiology Week 1 PDF

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Week 1 Lecture Notes from Radiology...

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1st principle: radiation hygiene 2nd principle: x-ray film, sensors, and phosphor plates (PSP) are sensitive to x-rays 3rd principle: listen to directions; the why’s (explanations) will come soon Dental radiography: study of radiation Dental radiographs: Periapical radiograph: you can see around the apex Interproximal/bitewing radiographs: you can see the crowns of both arches Film: PSP: Sensors: Radiolucent: appears dark because it is NOT dense and received much of the radiation; cavities are this Radiopaque: appears white because it is dense and did not receive much of the radiation Density: History of X-Rays -1895 -Roentgen Early Radiography -1896 -Walkhoff -25 mins of exposure Dr. Rollins and Dr. Kells both important concerning x-rays Read chapter 1 for RAT next week...