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December 2019 “Members Helping Members” Volume 37, Issue 10
Crowns and Computers
Auhor: Maryellen Amato, M.D., Member, ICON Users All that has changed with CEREC-3d CAD/
Group, MO CAM. CEREC stands for “Chairside Economical
July 2019 issue, The ICON Newsletter Restoration of Esthetic Ceramic Crowns.” CAD/
Meamato76 (at) gmail.com CAM stands for ‘computer assisted design/
computer assisted manufacturing.”
www.iconusersgroup.org
Like most professions, dentistry has been deep- CAD/CAM has been used in industry for many
ly impacted by computer technology. Many den- years, but dental CAD/CAM applications were
tists, for example, have been using digital x- not available until the 1980s, and CEREC tech-
rays. Several months ago in an article entitled nology has only become popular in the last dec-
Musings on Medicine, I discussed the ad- ade.
vantages of using digital radiography, including
quicker imaging times and decreased radiation.
My dentist, Mr. Jeff, DD, was one of the first
dentists in Springfield to embrace this technolo-
Another major facet of dentistry that has been gy approximately 10 years ago. He has made
affected by computers has to do with the way several crowns for me with this technique, and it
dental crowns are made. A crown is a small was so much easier than the old method – and
prosthetic cap that fits over an entire tooth to much faster, too. Instead of taking two visits and
restore its strength and appearance. A crown two weeks to get the permanent crown, it only
may be necessary for a variety of cosmetic and/ required about two hours total in one visit to
or functional reasons. A tooth might require a have the new crown made and placed in my
crown if it is broken, racked, heavily decayed, mouth.
worn, damaged in some way, or compromised
by a root canal.
I had a number of crowns made back in the “old
days” before the advent of computers. A tray of
gooey putty was placed over my teeth for a few
minutes and then the impression was sent off to
a distant lab where the permanent crown was
made. In the meantime, for the next two weeks I
had to endure a fragile temporary crown.
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