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Endodontics

Are more conservative root canal preparations and smaller tapered files better in preserving tooth structure during endo?

This question was submitted by a general dentist:  Are more conservative root canal preparations and smaller tapered files better in preserving tooth structure during endo? The trend seems to be shifting from large tapers(0.8.0.6) occlusally, plus large size files(30, 35) in order to facilitate access of irrigants and flushing into the depths back to keeping the canals narrow in order to preserve tooth structure and prevent fractures etc.  Do please advise. Dr. Mary Dabuleanu from Dabuleanu Dental and Dr. Suham Alexander provided this quick initial response:  It has been suggested that smaller access preparations and smaller tapered rotary files allow for more ...

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Oasis Case Conference – management of the failed root canal treatment on 16

The management of this case is provided by Dr. Mary Dabuleanu from Dabuleanu Dental A CDA Oasis Case Conferences is a two-part presentation of a clinical case. In Part 1, we invite you to watch the short video of the case and provide comments about a possible diagnosis and treatment. You will also have the opportunity of submitting any questions you might have related to the case*. In Part 2, the case presenter shows how the case was managed and answers key questions.   * When you submit comments and questions in conjunction with Part 1 of the case conference, they do not go live on the ...

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What are the outcomes of the Toronto Study: Phase 3-4: Orthograde Retreatment?

This summary is based on the article published in the Journal of Endodontics: Treatment Outcome in Endodontics: The Toronto Study—Phases 3 and 4: Orthograde Retreatment Cristian de Chevigny, DMD, MSc, Thuan T. Dao, DMD, MSc, PhD, Bettina R. Basrani, DDS, PhD, Vincent Marquis, DMD, MSc, Mahsa Farzaneh, DDS, MSc, Sarah Abitbol, DDS, MSc, and Shimon Friedman, DMD This study is a reference to the Oasis Case Conference with Dr. Mary Dabuleanu  Context The Toronto Study Project was established in 1993, with the intention to augment the evidence supporting endodontic treatment by prospectively investigating the 4- to 6-year outcome of treatment ...

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Oasis Case Conference – failed root canal treatment on 16. What’s your diagnosis?

This case was submitted by Dr. Mary Dabuleanu from Dabuleanu Dental A CDA Oasis Case Conferences is a two-part presentation of a clinical case. In Part 1, we invite you to watch the short video of the case and provide comments about a possible diagnosis and treatment. You will also have the opportunity of submitting any questions you might have related to the case*. In Part 2, the case presenter shows how the case was managed and answers key questions.     * When you submit comments and questions in conjunction with Part 1 of the case conference, they do not go live on the Oasis Discussions ...

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What are the biological considerations in the management of traumatic dental injuries?

This summary is based on the article published in Endodontic Topics: Biological considerations in the management of traumatic dental injuries (May 2014) Leif K. Bakland and Jens Ove Andreasen Courtesy of Wiley Publishing, you can access the full-text article here for the next 3 months.    Context The use of established procedures for the management of patients with traumatic dental injuries should optimize both immediate and long-term outcomes. Dental injuries are not always easy to manage, even with available guidelines; the typical injury is often complicated by being a combination of several types of traumas (e.g. crown fracture combined with ...

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How often and over what time period will any excess root canal cement/sealer dissolve?

This question was submitted by a general dentist: If expressed through the apical foramen during RCT, how often and over what time period will any excess root canal cement/sealer dissolve? Dr. Mary Dabuleanu from Dabuleanu Dental and Dr. Suham Alexander provided this quick initial response:            Root canal sealers or cements play an important role in endodontic treatment such as: filling irregularities between the filling material and root canal walls filling accessory canals and foramina of canals binding agent for gutta percha or other core material to the dentin illustrates presence of areas of resorption, internal shape ...

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How are vertical root fractures managed?

This summary is based on the article published in the Journal of Conservative Dentistry: Vertical root fractures and their management (March – April 2014) Sandhya Anand Khasnis, Krishnamurthy Haridas Kidiyoor, Anand Basavaraj Patil, and Smita Basavaraj Kenganal     Context Vertical root fractures associated with endodontically treated teeth and less commonly in vital teeth represent one of the most difficult clinical problems to diagnose and treat. In as much as there are no specific symptoms, diagnosis can be difficult. Clinical detection of this condition by endodontists is becoming more frequent, where as it is rather underestimated by the general practitioners. ...

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What is gutta percha and how did it come to be used in dentistry? An interview with Dr. Mary Dabuleanu

Dr. Suham Alexander, Oasis Clinical Editor, interviewed Dr. Mary Dabuleanu, Endodontist at Dabuleanu Dental about the history of gutta percha and its use in dentistry.                 Listen to the Audio Interview (11 mins)   References Jeon KA, Lee IB, Bae KS, Lee WC, Baek SH. Measurement of thermal expansion characteristic of root canal filling materials : Gutta-percha and Resilon. J Kor Acad Cons Dent. 2006;31(5):344-351. doi: 10.5395/JKACD.2006.31.5.344.   Khatavkar RA, Hedge V. The weak link in endodontics: Gutta-percha – A need for change. World J Dent. 2010;1(3)217-24. Shipper G, Ørstavik D, Teixeira FB, Trope M. An ...

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