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Case of the Week: Ceramic crowns

This week I am showing a dental material that seems to confuse many new students in the clinic.  So here are some examples of ceramic crowns.  The radiopaque line seen around the prep is the cement. (I realize this isn’t as exciting or interesting as some of my other cases,…
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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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Case of the Week: Invasive cervical resorption

This week I am showing a case of a specific kind of external resorption (invasive cervical resorption).  This form of resorption occurs in the cervical region of a tooth.  There have been many different causes for this resorption suggested such as trauma, orthodontic movement, intracoronal bleaching, periodontal root scaling, etc. …
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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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Case of the Week: Supernumerary teeth and Impaction

This week I have a case of 2 for 1 (two findings on one radiograph). 😀 The first is the impaction of the mandibular molars.  If you look at the patients left, you’ll see the crowns of the two molars appearing as if they are in occlusion in the mandible. …