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Orthodontics

In mixed-dentition patients, what is the short-term effectiveness of functional appliances (FAs) compared to untreated controls on mandibular dimensions?

This Systematic Review Summary is adapted from the article published on the ADA Center for Evidence-Based Dentistry website: The effects of functional appliances on mandibular growth during mixed dentition are unlikely to be of clinical importance Read the full commentary Clinical Question In mixed-dentition patients, what is the short-term effectiveness of functional appliances (FAs) compared to untreated controls on mandibular dimensions? Main Results Four RCTs met the inclusion criteria (338 participants, of which 168 were in the treatment group and 170 in the control group). Heterogeneity in age, interventions, and outcomes were observed, and follow-up times ranged from 15 to 18 months. Two ...

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How do I manage a patient who swallowed or aspirated parts of an orthodontic appliance?

This Dental Urgent Care Scenario (USC) is adapted and presented by the JCDAOASIS team in collaboration with Dr. James Noble of Orthodontics at Don Mills in Toronto You can find the full USC on JCDAOasis Mobile Context Patients receiving orthodontic treatment are at a very high risk of having appliances swallowed into the oropharynx during treatment due to the small size of brackets and clipped wires. Orthodontic appliances that can be swallowed include wires, brackets, transpalatal arches, temporary skeletal anchorage devices, and keys for expanders and removable appliances among others. Foreign bodies entering the alimentary canal rarely represent a serious ...

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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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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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