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Using EZ-Fill Xpress as a Contrast Medium to Find Canals
Allan S. Deutsch, D.M.D. |
Allan Deutsch
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 ANDIBULAR BICUSPIDS can be among the most difficult teeth to treat endodontically. The problem revolves around the number of canals in the tooth. Obviously, if there is only one canal, there is no problem. However, the first premolar can have two canals with two separate foramina 25 percent of the time and the second premolar can have two separate foramina 3 percent of the time. The question then becomes: is there any easy way to tell how many canals are in these teeth?
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Understanding the Benefits of a Relieved Reamer System
Barry Lee Musikant, D.M.D.,
F.A.S.D.A. |
Barry Musikant
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ANSWERED a question on the Endo-Mail message board the other day concerning flare-ups, and it got me to thinking once again about the ability of instruments to negotiate and widen canals with the least likelihood of pushing debris over the apex, and, given that some apical debris is inevitable, how to render that debris as non-virulent as possible.
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Aging’s Effects on the Pulpal Chamber
Amy Dukoff, D.M.D. |
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Tales from the Chamber
Good Riddance to 2009
Doug Kase, D.D.S. |
Doug Kase
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is holiday time once again my friends, good cheer and let’s all be happy!
But if we take a look back at the last twelve months, boy did things turn out pretty crappy!
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Apexification in a Pulpless Tooth
Sara Kim, D.M.D. |
Sara Kim
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N THE JULY–OCTOBER 2008 issue of Endo-Mail, I wrote about apexogenesis. This time I want to talk a little about apexification. Figure 1 shows the preoperative x-ray of a teenager with a history of pulp exposure due to trauma. The tooth underwent root canal treatment several years ago. You can see that the tooth has been inadequately filled and the gutta-percha is extruding beyond the apex where there is now a periapical radiolucency.
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Diagnosis, Emergency Treatment, and Pain Control
Young Bui, D.D.S. |
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Negotiating the Severe Curve
Steven Lipner, D.M.D. |
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S OUR PATIENT population ages, the dental pulp’s morphology may change. Age-related changes affect the pulpal chamber and the canal. Noticing age-related changes, such as the narrowing of the pulpal space, is important during treatment.
NE OF THE CHALLENGES in root canal therapy is the severely curved canal. Cases involving these canals present the practitioner with many possible iatrogenic complications, including canal transportation, canal perforation, and instrument separation. If not handled with the utmost care and finesse, these cases can quickly transform from difficult to nearly impossible—necessitating surgical intervention in the form of an apicoectomy or extraction. 