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02-5631-20039: Castable Metal Alloys in Dentistry

Course Abstract:

Contact Hours (CE): The Academy of Dental Learning and OSHA Training, LLC, designates this activity for 2 continuing education credits (2 CEs).
Questions? Contact Us: Phone: 800-522-1207, Fax: 800-886-3009, or Email:
Published: October 2012
Updated: August 2020
Expires:September 2023
Pages: 37
Course Instructor: Martin S. Spiller, DMD
Health Science Editor: Megan Wright, RDH, MS
No conflicts of interest are reported by the author or by educational planning committee members.

Educational Objectives

  • Understand how metal castings are made.
  • Describe the lost wax technique.
  • Describe the difference between a crystal and a grain.
  • Describe a face-centered structure.
  • List four noble metals.
  • Describe the role of ruthenium, iridium, and rhenium when added to alloys.<.ul>
  • Course Description

    Castable Metal Alloys in Dentistry is a course that gives you everything you really need to know (and just about everything you ever wanted to ask) about wrought and castable metal dental alloys. What is the difference between type I, II, and III gold? What is palladium, and how does it affect the alloy? How about all the other trace metals in an alloy? How does porcelain stick to a metallic substructure? Why choose one type of metal for a removable partial denture framework as opposed to another? What's the difference between grains and crystals? Why is gold soft? What is "strain hardening" and "cold working"? Who is allergic to which metals? We make it simple and interesting.

    About the Authors

    Martin Spiller graduated in 1978 from Tufts School of Dental Medicine. He is licensed in the state of Massachusetts and has been practicing general dentistry in Townsend, MA since 1984. Upon graduation from dental school, Dr. Spiller spent four years as an U.S. Army officer. During this time, he attended a dental general practice residency in which he received training in numerous dental specialties including oral surgery, endodontics, pedodontics, and orofacial surgical techniques and facial trauma. In 2000, he began work on a general dentistry website ( The intention at first was to educate the general public about dental procedures and the concepts behind them.

    Eventually, the website became popular with professional dental students. The content of the web pages began to reflect this readership. Dr. Spiller was asked to write this course based on academic study, hard won experience in the practice of dentistry, and his proven ability to write clear and concise content.

    Ms. Wright is a continuing education editor and writer as well as a Temp PRN with agencies in the Washington State area. Ms. Wright earned her MS at the UNM and Pierce College of Washington State in 1997 and certification in Utilization of the 970 Diode Laser and Safety in Dentistry in February of 2015. Ms. Wright works to implement Dental Education seminars as a Hospital-Dental Liaison building collaborative, mutual efforts to promote patient wellness between medical practitioners and dentists while prioritizing care for untreated, medially compromised patients.

    How to Take This Course

    Click on the logo below to open the course book. Study the course then return to this page and click to Take the Exam. Upon successful completion of the exam you will be asked to register and pay over a secure connection. Your exam will grade automatically and your certificate will display for you to save and/or print for your records.

Contact Hours: 2.00
Price: $30.00

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