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Unsurpassed Strength
Gold offers more compressive and tensile strength than other filling
materials. This allows thin bevels of metal to be placed over margins
to protect fragile enamel walls. Margins do not chip or erode away. While
most filling materials must be protected by the tooth dentin and enamel,
cast gold actually protects the remaining tooth structure. The long-term
durability of high gold content alloys makes them an excellent value for
the patient.
Excellent Esthetics
When used appropriately, gold is a very esthetic material. Gold
inlays and onlays will not discolor a tooth nor will they decompose or
tarnish. Properly completed preparations eliminate unwanted metal display.
Natural tooth contours are more easily reproduced in the laboratory than
in the mouth where access is always a consideration. The very smooth finished
surfaces are comfortable for the patient and do not readily harbor plaque.
Preserves Natural Dentition
Many other restorative materials are harder than gold and may
cause abrasion damage to opposing dentition. Gold's wear resistance is
compatible with opposing teeth. As a malleable material, gold can adapt
to occlusal pressures much like natural dentition. A cast gold inlay or
onlay also provides fine, smooth margins that resist microleakage, significantly
reducing secondary decay.
There are few areas
in dentistry that require such close cooperation between dentist and laboratory
technician as gold inlays and onlays. Certainly, the procedure for placing
a gold casting has been called technique sensitive. Planning and preparations
must allow for expansion not only of the gold alloy but also for expansion
of the die material and shrinkage of the wax in the pattern. At Aurum
Ceramic Dental Laboratories, we understand the precision required
for intracoronal castings. Working as a team with the dentist, we can
achieve truly outstanding results in cast gold restorative dentistry.
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