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| A minut (tiny) bubble of pure energy that has no weight or mass |
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| A measure of how well the radiograph reproduces the fine details or outlines of an object |
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effects of radiation that cause illness and are responsible for poor health such as cancer, leukemia and cataracts but are not passed to offspring |
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| a focal spot in the anode |
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| positive electrode in the xray tube |
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| concept of radiation protection that states all exposure should be kept " as low as possible. |
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| high energy ionizing electromagnetic radiation |
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| the blurred or indistinct area that surrounds an image |
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| the negative electrode in the xray tube |
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| one one thousandth (1/1,000) of an amprere a unit of measurement used to describe teh intensity of an electrical current |
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| anything that occupies space and has form or shape |
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| Components of a control panel |
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Definition
| Master swithc indicator light, selector buttons, exposure buttons |
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| the proportional enlargement of a radiographic image |
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| device used to protect the reproductive and blood forming tissues from scatter radiation |
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| tiem between exposure to ionizing radiation and the apperance of symptoms |
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| highest voltage of radiograph tube used during radiograph exposure |
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| Radiation that produces ionization resulting in harmful effects |
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process by which electrons are removed from atoms causing the harmful effects of radiation in humans |
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| An electrally charged particle |
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| Effects of radiation that are passed on to future generations through genetic cells |
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| Flexible arm that is attached to the xray tubehead |
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| negatively charged particle in the atom |
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| the amount of energy absorbed by the tissues |
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| change in size of an image on a radiograph caused by incorrect vertical angulation |
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| process of making radiographs of the teeth and adjacent structures by exposure to radiographs |
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| the overall darkness or blackness of a radiograph |
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| the differences in degrees of blackness on a radiograph |
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| device that automates all film processing steps |
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| assists in teh positioning of the PID |
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| Radiographic view that shows the crowns of both arches on one film |
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| Holder for extraoral films during exposure |
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| Shows the bony and soft tissues areas of the facial profile |
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| Film designed for use in film duplicating machines |
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| A layer on the xray film that contains the radiograph sensitive crystals |
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| Film designed for use in film duplicating machines |
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| Device used to position and hold dental xray films |
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| the sensitivity of the emulsion on the film to radiation |
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| Device used to convert xray energy into visible light, which in turn exposes screen film |
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| Film designed for placement in the patients mouth |
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| Colored side of the film that faces the tounge |
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| The invisible image on the xray film after exposure but before processing |
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| Radiographic view that shows lrge areas of the maxilla or mandible |
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| provides a wide view of the upper and lower jaws |
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| radiographic view that shows the crown, root tip, and surrounding structures |
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| A series of steps that changes the exposed film intoa radiograph the steps include developing rinsing fixing washing and drying |
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| Image produced on aphotosensitive film by exposing the film to radiation then processing it |
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| solid-white side of the film that faces the xray tube |
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| an image on a radiograph that is not an actual struture but is caused by the technique |
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| process of informing the patient about the procedure; for example the procedure for taking xrays |
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| permission granted by a patient after being informed about the details of a procedures |
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| accountable or legally responsible |
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| a plan to nesure that the dental office produces consistent high quality images with a aminimum of exposure to patients and personnel |
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| device constructed of layered aluminum steps to demonstrate the film densities and contrasts |
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| an illuminated boxlike device useed to veiw radiographs |
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| alignment of central ray of xray beam in horizontal and vertical planes |
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| intraoral technique of exposing periapical films |
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type of radiograph used in the interproximal examination |
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| area of the mesial or distal surfaces of a tooth that touches adjacent tooth in the same arch |
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imaginary line dividing the tooth longitudinally (vertical) into two equal halves |
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| used to examine large areas of the upper or lower jaw |
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| used to examine large areas of the upper or lower jaws |
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| moving or lying in the same plane always seperated by the same distance |
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| intersecting at or forming a right angle |
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| impairment in certain fucntions of the body, such as hearing vision, or mobility |
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| angle of 90 degrees formed by two lines perpendicular to each other |
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special device that allows the operator to easily position both film and the patient |
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| charge coupled device(ccd) |
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Definition
| image receptor found int eh intraoral sensor |
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| filmless imaging system that uses a sensor to capture images, tehn converts the images into electronic pieces and stores them in a computer |
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to convert an image into a digital form taht in turn can be processesed by a computer |
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| feature that allows the operator to adjust the miliamerage and kilovoltage settings |
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| imaginary three dimensional horseshoe shaped zone used to focus panoramic radiographs |
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| imaginary plane that passes through the top of the ear canal and the bottom of the eye socket |
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| device used to reduce the amount of scatter radiation that reaches extraoral film |
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| imaginary line that divides the patients face into right and left sides |
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| small detector that is placed intraorally to capture a radiographic image |
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| joint on each side of the head that allows for movement of the mandible |
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| radiographic technique that allows imaging of one layer or section of the body while blurring images from structures in other planes |
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