Dental Continuing Education Course - Choosing Between Screw-Retained and Cement-Retained Implant Crowns - Glidewell Dental Lab Continuing Education

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Choosing Between Screw-Retained and Cement-Retained Implant Crowns
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Course Objectives (2 CE Credits)

There are advantages and disadvantages to using a screw-retained versus a cement-retained implant crown. It is important for the clinician to be aware of the pros and cons of each type of restoration when deciding which prosthetic design is most appropriate for a particular case. After reading this article, the clinician should understand the many important elements involved in choosing which crown to use, including:

Retrievability
Retention and resistance
Stress to bone and implant
Esthetics
Complications
Cost
Accessibility
Occlusal principles

Summary

When treating implant patients, choosing between a cement-retained and a screw-retained crown is a complex and comprehensive decision. Many components go into selecting which crown is best suited to a particular restorative situation. A thorough case-by-case analysis is necessary to determine the most appropriate prosthetic design.

References

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Jorgensen KD. The relationship between retention and convergence angle in cemented veneer crowns. Acta Odontol Scand. 1955;13:35–40.

Shillingburg HT, Hobo S, Whitsett LD. "Principles of Preparations."
Fundamentals of Fixed Prosthodontics. 2nd ed. Chicago: Quintessence Pub. 1981:79–96.

Kaufman EG, Coelho DH, Collin L. Factors influencing the retention of cemented gold castings. J Prosthet Dent. 1961;11:487–98.

Misch CE. "Principles of Cement Retained Fixed Implant Prosthodontics." Contemporary Implant Dentistry. 2nd ed. St. Louis: Mosby. 1999:549–73.

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restorations: achieving optimal occlusion and esthetics in implant
dentistry. J Prosthet Dent. 1997;77:28–35.

Moscovitch M. Molar restorations supported by two implants: an alternative to wide implants. J Can Dental Assoc. 2001;67(9):535–39.

Misch CE, Bidez MW. "Chapter 38: occlusal considerations for implant-supported prostheses: implant protective occlusion and occlusal materials." Contemporary Implant Dentistry. 2nd ed. Missouri: Mosby. 1999:609–28.

Sheets JL, Wilcox C, Wilwerding T. Cement selection for cement-retained crown technique with dental implants. J Prosthodont. 2008;17:92–96.

Strong SM. What's your choice: cement- or screw-retained implant
restorations? Gen Dent. 2008;56:15–18.

Guichet DL, Caputo AA, Choi, H, et al. Passivity of fit and marginal opening in screw- or cement-retained implant fixed partial denture designs.
Int J Oral Maxillofac Implants. 2000;15:239–46.

Chee W, Jivraj S. Screw versus cemented implant supported restorations. Br Dent J. 2006;201:501–07.

Lee A, Okayasu K, Wang HL. Screw- versus cement-retained implant restorations: current concepts. Implant Dent. 2010;19:8–12.

Chee W, Felton DA, Johnson PF, et al. Cemented versus screw-retained implant prostheses: Which is better? Int Journal Oral Maxillofac Implants. 1999;14:1.

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