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Chairside Live – Case of the Week Compendium 20: Prep & Impression Techniques X

Prep & Impression Techniques
Launch Course

Course Objectives (3 CE Credits)

Michael C. DiTolla, DDS, FAGD

When compared to legacy word-of-mouth, the speed at which social media spreads reviews has placed a premium like never before on the quality of the results dispensed by the restorative dentist. The health of a restorative practice is highly contingent on the clinician’s ability not only to deliver well-fitting, long-lasting prostheses, but to do so in as convenient and expeditious a manner as possible for the patient.

In this presentation, Dr. Michael DiTolla uses a series of case examples taken from episodes of the weekly web series Chairside Live to give insight into ways of enhancing the predictability of, as well as avoiding pitfalls that might undermine the effectiveness of, prescribed treatments. Participants who view this presentation will acquire useful clinical information on topics such as:

  • The pros and cons of zirconia as an anterior veneering material
  • The accuracy of alginate, alginate replacement and VPS impression materials
  • A method for maintaining the vertical dimension of occlusion in a bite registration
  • Retaining a patient’s VDO throughout full-mouth rehabilitation
  • Taking advantage of laboratory CAD/CAM to resolve chairside issues
  • Communicating comprehensively with the laboratory on 3-or-more-unit bridge cases
  • The most versatile margin shape across all restorative materials
  • Preventing postoperative tooth sensitivity
  • Processes of, and precautions for, using try-in cement
  • Material options for relining temporary prostheses
  • Restorative materials that require bonding instead of cementing


With the advent of social media and its increasingly prominent role in shaping public opinion, the success of a restorative dentistry practice is ever more dependent on the clinician’s knowledge of materials, technologies and protocols that enable the speedy delivery of esthetic and durable oral restorations. In this presentation, Dr. Michael DiTolla uses several case examples featured on episodes of Chairside Live to highlight techniques and materials he utilizes to ensure comfortable and quality care, as well as common missteps clinicians make that sabotage that endeavor.

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.


  1. Todd JA, Oesterle LJ, Newman SM, Shellhart WC. Dimensional changes of extended-pour alginate impression materials. Am J Orthod Dentofacial Orthop. 2013 Apr;143(4 Suppl):S55-63.
  2. Hyde TP, Craddock HL, Gray JC, Pavitt SH, Hulme C, Godfrey M, Fernandez C, Navarro-Coy N, Dillon S, Wright J, Brown S, Dukanovic G, Brunton PA. A randomised controlled trial of complete denture impression materials. J Dent. 2014 Aug;42(8):895-901.
  3. Garg P, Pujari M, Prithviraj DR, Khare S. Retentiveness of various luting agents used with implant-supported prosthesis: an in vitro study. J Oral Implantol. 2014 Dec;40(6):649-54.
  4. Keul C, Liebermann A, Roos M, Uhrenbacher J, Stawarczyk B, Ing D. The effect of ceramic primer on shear bond strength of resin composite cement to zirconia: a function of water storage and thermal cycling. J Am Dent Assoc. 2013 Nov;144(11):1261-71.
  5. Patras M, Naka O, Doukoudakis, S, Pissiotis A. Management of provisional restorations’ deficiencies: a literature review. J Esthet Restor Dent. 2012 Feb;24(1):26-38.
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