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Chairside Live – Case of the Week Compendium 9: Prep and Impression Techniques IV

Prep and Impression Techniques - CE Course
Launch Course

Course Objectives (2 CE Credits)

Michael C. DiTolla, DDS, FAGD

In order to deliver a dental restoration that epitomizes the ideals of fit, form and function, a clinician must not only adopt techniques that ensure optimal preparation for the prescribed restorative material, but also be able to effectively communicate the details of that preparation to the laboratory. In this presentation, Dr. Michael DiTolla uses a series of case examples taken from recent episodes of Chairside Live to highlight tools and methods to use, as well as pitfalls to avoid, to ensure patient comfort, consistent preparations and sufficient impressions. Participants who view this presentation will acquire useful clinical information on topics such as:

  • Administering a Gow-Gates injection
  • Reduction requirements for various restorative materials
  • Bur shapes and the effects on tooth preparations
  • Advantages of self-limiting depth cutters
  • Protecting teeth adjacent to a preparation
  • Guaranteeing sufficient reduction of a prep despite limited visibility
  • Ensuring the ferrule effect for a crown
  • Paste retraction systems vs. the Two-Cord Impression Technique
  • Warning signs of inadequate PVS impressions
  • Placement of no-prep veneers
  • Cements and post-cementing cleanup

Summary

In restorative dentistry, the success of a practice relies on a clinician’s ability to provide a comfortable patient experience that results in a long-lasting, esthetic solution. A thorough knowledge of anesthetic techniques, combined with a disciplined regimen of preparation methods that ensure sufficient reduction and impression protocols that promote accurate communication with the laboratory, will improve the likelihood of a positive resolution to the treatment plan. In this presentation, Dr. Michael DiTolla uses several case examples featured on episodes of Chairside Live to discuss his preferred techniques for adequately preparing teeth and creating quality impressions, highlighting best practices and potential pitfalls for clinicians to consider when performing these procedures.

CAUTION: When viewing the techniques, procedures, theories and materials that are presented, you must make your own decisions about specific treatment for patients and exercise personal professional judgment regarding the need for further clinical testing or education and your own clinical expertise before trying to implement new procedures.


References

  1. Moore PA, Cuddy MA, Cooke MR, Sokolowski CJ. Periodontal ligament and intraosseous anesthetic injection techniques: alternatives to mandibular nerve blocks. J Am Dent Assoc. 2011 Sep;142 Suppl 3:13S-8S.
  2. Forbes WC. How to treat a difficult-to-anesthetize patient. Twelve alternatives to the traditional inferior alveolar nerve block. Todays FDA. 2010 May-Jun;22(3):27-9, 31, 33.
  3. Abdulrazzak SS, Sulaiman E, Atiya BK, Jamaludin M. Effect of ferrule height and glass fibre post length on fracture resistance and failure mode of endodontically treated teeth. Aust Endod J. 2014 Aug;40(2):81-6.
  4. Roscoe MG, Noritomi PY, Novais VR, Soares CJ. Influence of alveolar bone loss, post type, and ferrule presence on the biomechanical behavior of endodontically treated maxillary canines: strain measurement and stress distribution. J Prosthet Dent. 2013 Aug;110(2):116-26.
  5. Al Hamad KQ, Azar WZ, Alwaeli HA, Said KN. A clinical study on the effects of cordless and conventional retraction techniques on the gingival and periodontal health. J Clin Periodontol. 2008 Dec;35(12):1053-8.
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