|
•
Crown & Bridge basic
: The placement of an indirect restoration requires preparation
of a cavity with undercut-free cavity walls to allow a
path of withdrawal and insertion of the completed restoration.
This allows a pattern or impression to be removed from
the cavity. The finished restoration should be capable
of insertion into the tooth without the generation of
stress. Preservation of remaining tooth structure is important
because the restoration relies on the strength and integrity
of the remaining prepared tooth subst...
• Restoration Assessment
Before considering embarking on indirect restorations,
patients should be assessed to ensure that their periodontal
condition has been stabilised and their caries risk is
low...
• Restoration choice
This is generally considered to be the most satisfactory
extracoronal restorative material. It has a hardness similar
to enamel, and occlusal and axial contours can easily
be built up in the wax prior to casting. Cast gold alloy
restorations include single and multiple surface inlays....
• Tooth preparation
All preparations should have the maximum height and minimum
taper for optimal resistance and retention form consistent
with the chemical situation.To achieve this and to
permit an adequate thickness of restorative material
without over-contour, the surface of the preparation
•
All-Ceramic preparation
(download pdf file)
•
Cercon preparation (download
pdf file)
•
Journal links
|
