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Oral Radiology

oasisImage of the Week: Why can’t he feel his forehead?

A 35-year old man develops a serious infection from an impacted 2.8. The tooth is extracted and the infection is drained but he develops a serious bleed 3 days after surgery (from the internal maxillary artery) which requires neuroradiology embolization. One month later, he has recurrent swelling around the left temple and TMJ but also complains he feels numbness in the entire trigeminal nerve, including V-1. Attached is a slice of the MRI and an intraoperative shot. Why can’t he feel his forehead?

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oasisimage of the Week: What would you do with these highly impacted canines?

We’re adding a new feature this week called “Image of the Week”. Each Wednesday, an image (some xrays, some clinical shots and some random stuff) will be posted to the blog. In each case, a question will be posed, the answer to which will appear in the comments section a day or two later. Enjoy the video and please participate in the discussion. In this case, an 11 year old girl presents with unerupted 1.3 and 2.3. The height of them, on panorex, is extraordinary and you decide to get a cone beam CT. See the CT below and tell ...

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Have you seen this article at medGadet.com?

Debating Imaging Radiation Exposure: Study Illustrates Importance of Considering Short-Term vs. Long-Term Risk.  

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Can you visualize the medical data explosion?

With the explosion of cone beam CT the amount of data being generated is staggering. Anders Ynnerman gives a TED talk about how data is being stored and re-processed to help us better understand the human body. He covers the size of the data explosion, virtual autopsy, functional MRI and more. A very interesting lecture.

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Clinical Case: Why is tooth #2.3 rotated & malformed?

From Dr. Milan Madhavji of Canaray Oral Radiology and Dr. Ian Furst of Coronation Dental Specialty Group A 23 year old female presents for orthodontic consultation regarding tooth #2.3 which is rotated and has a crown that appears mildly deformed.  See the 1st video below for a panorex and CT with 3D reformatting. The 2nd video has the answer and/or you can download the PDF radiology report. This link contains the final radiology report QUESTION VIDEO ANSWER VIDEO

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What is the impact of emerging radiographic technologies on cumulative patient ionizing radiation exposure?

(Content under development) The following question was submitted by a practising dentist: I have seen an exponential growth in the marketing of CBCT to dentists (shouldn’t we ALL have one?), and have seen an emerging trend of dentists using them to reverse engineer pans etc. Most recently, an advert came across my desk where bitewings engineered from a pan are the answer. What is the impact of emerging radiographic technologies on cumulative patient ionizing radiation exposure? JCDA Editorial Consultants Drs Ernie Lam of the University of Toronto, Garnet Packota of the University of Saskatchewan and Elaine Orpe of Vancouver provided these ...

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