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Chairside Live – Case of the Week Compendium 10: Prep and Impression Techniques V

Prep and Impression Techniques V - CE Course
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Course Objectives (2 CE Credits)

Michael C. DiTolla, DDS, FAGD

For any dental restorative case, achieving an outcome that fulfills the case’s functional and esthetic requirements while maintaining a comfortable chairside experience is largely a product of the techniques employed to relax the patient, prepare the dentition and communicate with the laboratory.

In this presentation, Dr. Michael DiTolla uses a series of case examples taken from episodes of Chairside Live to promote a variety of preparation and impression methods developed to deliver predictable results that satisfy both the patient and the clinician. Participants who view this presentation will acquire useful information on various prep and impression topics such as:

  • The proper procedure for administering an AMSA injection
  • Preserving VDO by preparing a bite stop
  • Opening the bite with occlusal stops
  • Creating natural margins for no-prep veneers
  • Choosing a digital impression system and a laboratory partner
  • Capturing prep margins with the two-cord technique
  • Identifying trouble spots in a vinyl polysiloxane impression
  • Avoiding unnecessary remakes caused by double impressions
  • A CAD/CAM workflow for removable prosthodontics
  • Wear characteristics of denture materials

Summary

A successful outcome in restorative dentistry is largely dependent on the techniques a clinician uses to prepare and impress teeth, as well as address the chairside comfort of the patient. Pleasing, predictable results can be attained by establishing a regimen of protocols that ensure nonintrusive anesthetization, sufficient preparation, adequate tissue retraction and error-free impressions.

In this presentation, Dr. Michael DiTolla uses case examples featured on episodes of the web series Chairside Live to discuss his preferred techniques for maintaining a consistently high level of quality throughout every stage of the restorative procedure, and outlines numerous pitfalls to watch for in order to avoid an unsatisfactory result.

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. Corbett IP, Jaber AA, Whitworth JM, Meechan JG. A comparison of the anterior middle superior alveolar nerve block and infraorbital nerve block for anesthesia of maxillary anterior teeth. J Am Dent Assoc. 2010 Dec;141(12):1442-8.
  2. Velasco I, Soto R. Anterior and middle superior alveolar nerve block for anesthesia of maxillary teeth using conventional syringe. Dent Res J (Isfahan). 2012 Sep;9(5):535-40.
  3. Pozzi A, Tallarico M, Mangani F, Barlattani A. Different implant impression techniques for edentulous patients treated with CAD/CAM complete-arch prostheses: a randomized controlled trial reporting data at 3 year post-loading. Eur J Oral Implantol. 2013 Winter;6(4):325-40.
  4. Luthardt RG, Walter MH, Quaas S, Koch R, Rudolph H. Comparison of the three-dimensional correctness of impression techniques: a randomized controlled trial. Quintessence Int. 2010 Nov-Dec;41(10):845-53.
  5. Wöstmann B, Rehmann P, Trost D, Balkenhol M. Effect of different retraction and impression techniques on the marginal fit of crowns. J Dent. 2008 Jul;36(7):508-12.
  6. Perakis N, Belser UC, Magne P. Final impressions: a review of material properties and description of a current technique. Int J Periodontics Restorative Dent. 2004 Apr;24(2):109-17.
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