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Chairside CAD/CAM Dentistry

Preparation and Cementation Procedures

Although direct composite resin procedures yield acceptable results when used correctly, if a large quantity of resin is required, complications may arise. In such cases, an indirect protocol must be followed. Numerous CAD/CAM systems, both laboratory and chairside, are available for practitioner use. In a laboratory system, a traditional impression is made and sent to a dental laboratory, where the restoration is fabricated. A chairside system, however, utilizes a digital impression system, and the restoration can then be milled and cemented in a single visit.

*Director of CAD/CAM, Scottsdale Center for Dentistry, Scottsdale, Arizona; private practice, Tarzana, California.

 

Learning Objectives:

This video describes the clinical procedure involved in the use of a chairside CAD/CAM system. Upon completion of this video, the viewer should:

  • Understand the benefits of working with a chairside CAD/CAM system.
  • Recognize the significance of proper preparation design an digital impression capture on restorative success.

 

Related Reading:

  1. Spreafico R. Direct vs. semidirect vs. indirect restorations: Establishing criteria for clinical decision making [interview].  In: Sadan A, ed. Quintessence of Dental Technology 2003. Hanover Prk, Il:Quintessence Publishing; 2003:82-89.
  2. Morin D, Delong R, Douglas WH. Cusp reinforcement by the acid-etch technique. J Dent Res 1984;63(8):1075-1078.
  3. Liebenberg WH. Controlling contacts and contours using preformed ceramic inserts. Compend Contin Educ Dent 2000;21(2):147-150.
  4. Choi KK, Ryu GJ, Choi SM, et al. Effects of cavity configuration on composite restoration.  Oper Dent 2004;29(4):462-466.
  5. Nikolaenko SA, Lohbauer U, Roggendorf M, et al. Influence of c-factor and layering technique on microtensile bond strength to dentin. Dent Mater 2004;20(6):579-585.
  6. Kuijs RH, Fennis WM, Kreulen CM, et al. Does layering minimize shrinkage stresses in composite restorations? J Dent Res 2003;82(12):967-971.
  7. Versluis A, Douglas WH, Cross M, Sakaguchi RL. Does an incremental filling technique reduce polymerization shrinkage stresses? J Dent Res 1996;75(3):871-878.
  8. El-Badrawy WA, Leung BW, El-Mowafy O, et al. Evaluation of proximal contacts of posterior composite restorations with 4 placement techniques. J Can Dent Assoc 2003;69(3):162-167.
  9. Broderson SP. Complete crown and partial coverage tooth preparation designs for bonded cast ceramic restorations. Quint Int 1994;25(8):535-539.
  10. Dietschi D, Spreafico R. Adhesive Metal Free Restorations: Current Concepts for Esthetic Treatment of Posterior Teeth. Carol Stream, IL: Quintessence Publishing; 1997:79-99.
  11. Magne P, Belser UC. Porcelain versus composite inlays/onlays: Effects of mechanical loads on stress distribution adhesion and crown flexure. Int J Periodont Rest Dent 2003;23(6):543-555.
  12. Swift B, Walls A, McCabe JF. Porcelain veneers: The effects of contaminants and cleaning regimens on the bond strength of porcelain to composite. Brit Dent J 1995;179(6):203-208.
  13. Canay S, Hersek N, Ertan A. Effect of different acid treatments on a porcelain surface. J Oral Rehabil 2001;28(1):95-101.
  14. Barghi N, Berry T, Chung K. Effects, timing and heat treatment of silanated porcelain on the bond strength. J Oral Rehabil 2000;27(5):407-412.
  15. Magne P. Immediate dentin sealing: A fundamental procedure for indirect bonded restorations. J Esthet Rest Dent 2005;17(3):144-155.
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