Radiographic Technique – Page 4

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Radiographic Technique: Maxillary Occlusal Radiographs

This is the first of two posts on occlusal technique. Below are images I have taken with a very cooperative patient – DXTTR. The only problem for some of the images is he has no neck so I did the best I could. 😀 Occlusal Technique (general) Occlusal radiographs are…

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X is for x ray: Inverse square law and PID/cone length

This is the last week of post topics from the review for the hygiene written boards. Today is the inverse square law and how this applies to changing the PID/cone length and exposure settings for a comparable image density. Inverse square law The inverse square law applies to any source…

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X is for x ray: Image distortion

Today is image distortion. There is really only one characteristics (actually an artifact) we will be looking at; bending. (Note to those who use wired sensors, it is not possible to bend the sensor without breaking it 🙂 so this will not apply to you). Bending Bending occurs when the…

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X is for x ray: Image Density

Today is all about image density and how different settings on the x ray unit as well as the subject being imaged will effect this. The four topics I will be covering are: milliampere (mA), kilovoltage peak (kVp), exposure time, and subject thickness. I have covered some of these topics…

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X is for x ray: Image sharpness

Today I’m onto image sharpness. There are three different characteristics we will be looking at; target size, film composition and patient movement. Target size The target size is just that, the target size in an x ray unit. This is fixed by the manufacturer and cannot be changed by the…