Guidelines for implant overdenture treatment with standard
or narrow diameter implants: A clinical rationale


Michael D. Scherer, DMD, MS

Educational Objectives

The overall goal of this course is to provide the reader with an overview of implant overdenture treatment options, along with a better understanding of how to choose between using standard or narrow diameter implants.

Upon completion of the course, participants should be able to:

  1. Summarize the traditional number and location of implants supporting removable mandibular and maxillary prostheses.
  2. Understand the advantages and drawbacks of using both standard and narrow diameter implants for overdenture therapy.
  3. Discuss the prosthetic options available with both.
  4. Make use of a decision tree for the optimal abutment choice when planning overdenture therapy.



Debate exists over whether standard or narrow diameter dental implants should be used for implant overdenture therapy. This article reviews the characteristics of each, principles relating to the use of standard or narrow diameter implants, and indications for each type. Additionally, a decision tree to aid withchoosing between standard or narrow diameter implants is presented.

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