Home » Author Archives: Coronation Dental Specialty Group

Author Archives: Coronation Dental Specialty Group

oasisImage of the Week: Persistent ‘mucocele’ in a 16 year old boy

A 16 year old boy had a swelling in his right lower lip removed at age 4 while living overseas. At that time the surgeon told the father that it was multiple small mucoceles and that he could not get all of it. The specimen was sent to a general pathologist who confirmed it as a mucocele. Between the ages of 13 and 15, the lesion returned, larger and more sore. It was excised again at age 15 and at that time it was diagnosed as a verruca vulgaris with submucosal capillary ectasia and edema with stromal inflammation. They now ...

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Clinical Case: How do I quantify the risk of nerve injury with wisdom teeth extraction? (VIDEO SOLUTION)

This case is presented by Drs Stephen Cho & Ian Furst at Coronation Dental Specialty Group & Cambridge Memorial Hospital A 56 year old male has a partially impacted wisdom tooth #3.8, communication to the mouth, pericoronitis and a complaint of persistent pain associated with the tooth. You take a panorex and note the overlap of the inferior alveolar nerve. Based on current scientific data, what is the risk, during an extraction, of an intimate association between the tooth and nerve? Is there a scientifically valid way of determining which developing wisdom teeth are likely to become partially impacted? The ...

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When is a composite filling contraindicated?

This case is presented by Dr. Ian Furst, Coronation Dental Specialty Group Check out “Ask Dr. Spindel”, a dentist and prolific blogger from Manhattan. In an age of mercury-free practices Dr. Spindel tackles the question of “when is a composite filling contraindicated”.  I’m interested to see if anyone/everyone agrees with his point of view, both on patient selection and options.

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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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Clinical Case: When would you consider serial extraction? (VIDEO SOLUTION)

A 9-year old girl presents to your office for routine examination when you notice that teeth 5.3 and 6.3 have exfoliated prematurely and the 1.4 is erupting very near the 1.2. Your assessment from examination, xrays and models is that she is a young girl in mixed dentition with a hypoplastic maxilla characterized by a shalllow overbite and crowding. You consider serial extraction. How severe is the crowding? What allows you to make the diagnosis of crowding? What are the indications for serial extraction in this case and are there any contraindications? From Drs. Austin Chen, Vaughan Orthodontics and Ian ...

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What was the first article published in the JCDA?

Have you ever wondered about the history of the Journal of the Canadian Dental Association? The modern bilingual JCDA was formed in 1935 from an amalgamation of the Dominion Dental Journal and La Revue Dentaire Canadienne. The Dominion Dental Journal was founded by Dr. George Beers (from Montréal and the “Father of Lacrosse”). He authored the first article in January 1889 titled “A unique case of regulating teeth” (an early article on orthodontics) where Dr. Beers moves a supernumerary tooth into the place of the central, over the course of a day, using silk ligature! The first volume also includes ...

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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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What material is the best choice for a short span fixed partial denture?

From Dr. Berge Wazirian, Prosthodontist, Clinique de Prosthodontie & McGill University With the advancement of dental technology, dentists today are confronted with many different options when it comes to choosing a material for fixed partial dentures (FPDs). The wide array of materials range from multilayered systems to monolithic systems. Monolithic methods include: 1. Full contour metal restorations 2. Full contour zirconia restorations 3. Full contour lithium disilicate restorations (i.e. E.max) 4. Full contour Lucite reinforced restorations (i.e. Empress) Multilayered methods include: 1. Ceramo-metal restorations 2. Ceramo-zirconia restorations 3. Layered lithium disilicate restorations (i.e. E.max) 4. Alumina based restorations (i.e. In ...

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