Current Status of Glass Ionomers

Dr. Karl F. Leinfelder, Current Status of Glass Ionomers
Speaker: Dr. Karl F. Leinfelder
Category: Cosmetic Dentistry
CE Credits: 1.5
Format: PDF
Continuous research efforts around the world have led to a great number of applications for the glass ionomer. Some of the efforts have resulted in the substitution of this agent for composite resins ...more
  • Released: 10/1/2012
  • Expiration Date: 6/30/2019
  • Review Date: 6/30/2016
CE Details
Credit Details
This electronically delivered self-instructional program is designated for 1.5 hours of CE credit by Farran Media.
AGD Code: 250.

There is no fee to view this course. There is a fee of $36 to take the exam and claim CE credits for this course.

Continuous research efforts around the world have led to a great number of applications for the glass ionomer. Some of the efforts have resulted in the substitution of this agent for composite resins in primary teeth. When used in conjunction with a surface-penetrating agent, the wear resistance of the ionomer can be improved appreciably. The glass ionomers provide excellent resistance to micro-leakage but they also release effective levels of fluoride ions. At least one clinical study has shown that glass ionomers are clinically effective in reducing the amount of secondary caries, particularly as compared to amalgam.

Description of Speaker:
Dr. Karl F. Leinfelder earned both his Doctor of Dental Surgery and Master of Science (dental materials) degrees from Marquette University. He joined the faculty of dentistry at the University of North Carolina in 1970. In 1983, he joined the School of Dentistry at the University of Alabama and is the recipient of the Joseph Volker Chair. He also served as Chairman of the Department of Biomaterials until 1994. Presently he holds positions at both universities; adjunct professor at University of North Carolina and professor emeritus at the University of Alabama. Dr. Leinfelder has published more than 275 papers on restorative materials, authored more than 150 scientific presentations, two textbooks on restorative systems and has lectured nationally and internationally on clinical biomaterials.

Educational Objectives:
Upon completion of this course, participants should be able to achieve the following:
  • 1. Identify the advantages of glass ionomers as a restorative agent.
  • 2. Make recommendations for the restoration of posterior preparations in primary teeth in cases of moderate to high incidences of caries.
  • 3. Identify the types of sandwich techniques and the objectives of each.
  • 4. Define methods for restoring abfracted lesions.
  • 5. Discuss the etiology of post-operative sensitivity.

Disclaimer: The author declares that neither he nor any member of his family have any financial arrangement or affiliation with any corporate organization offering any financial support or grant monies for this continuing education dental program, nor does he have a financial interest in any commerical products or services discussed in this article.

CE Policies
American General Dentistry (AGD), Program Approval for Continuing Education (PACE) approved, FAGD / MAGD CreditApproved PACE Program Provider
FAGD / MAGD Credit
Approval does not imply acceptance by a state or
provincial board of dentistry or AGD endorsement.
1/1/2016 to 12/31/2018
Provider ID# 304396
American Dental Association (ADA), Continuing Education Recognition Program (CERP) provider
Farran Media is an ADA CERP Recognized Provider.
ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education. ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry.
This activity meets the educational criteria required for verifiable Continuing Professional Development under the General Dental Council Lifelong Learning scheme and represents 1.5 hours of verifiable CPD.

Legal Disclaimer:
The CE provider (Farran Media) uses reasonable care in selecting and providing content that is accurate. The CE provider, however, does not independently verify the content or materials. The CE provider does not represent that the instructional materials are error-free or that the content or materials are comprehensive. Any opinions expressed in the materials are those of the author of the materials and not the CE provider. Completing one or more continuing education courses does not provide sufficient information to qualify the participant as an expert in the field related to the course topic or in any specific technique or procedure. The instructional materials are intended to supplement, but are not a substitute for, the knowledge, expertise, skill and judgment of a trained health care professional.

Continuing education credits issued for completion of online CE courses may not apply toward license renewal in all licensing jurisdictions. It is the responsibility of each registrant to verify the CE requirements of his/her licensing or regulatory agency.

Computer Requirements:
Click here to see a list of computer requirements before taking the course.

State CE Requirements:
Click Here for CE requirements by state. Please note that this information is current as of the time of listing. This information is subject to change at any time from the state boards. For the most up-to-date information, please contact your state board directly.

Refund Policy
There are no refunds for Online CE courses. Please contact technical support if you run into technical difficulty.

For any questions, please contact Howard Goldstein, DMD, Director of Continuing Education at
To reap the full benefits of this CE course, the presenters (Howie Horrocks and Mark Dilatush) have agreed to create a marketing plan specifically tailored to your practice and your specific market area. Having your marketing plan printed and open while you view the course material, will greatly individualize your learning experience.

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