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DirectCrown™
Crown Technique |
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| 1
- Select the correct shell. |
2 - Fill with resin & mold over tooth.
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3 - Adjust and finish the crown.
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DirectCrown™
Bridge Technique |
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| 1
- Select the correct 5-unit bridge span. |
2 - Cut to length, fill with resin and mold over prepared area.
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3 - Adjust and finish bridge.
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DirectCrown™
Bisacryl Technique |
| 1. |
The teeth were
prepared using a tooth-reduction bur utilizing a standard preparation
technique (Figure 4) and a laboratory
impression was taken. |
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Figure
4 |
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| 2. |
Select the appropriate
DirectCrown™ shell that fits the prepared tooth. A size was selected
so that it would fit passively over the prepared tooth (and can be
modified if necessary). (Figure 5) The
excess buccal and lingual walls of the crown shell can be modified
to assure proper fit. |
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Figure
5 |
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| 3. |
A shade reading
of the patient's adjacent teeth were taken (Figure
6) and the appropriate powder shade (A-2) was selected to provide
the best possible shade match to the adjacent dentition. If working
with a hybrid acrylic resin, powder shades can be mixed together to
provide a better matching if necessary. |
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Figure
6 |
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| 4. |
A few drops of
the suitable primer or varnish is dispensed into a mixing dish and
applied to the interior wall of the crown shell with an applicator
brush handle & tip. (Figures 9 & 10) |
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Figure
9 |
Figure
10 |
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| 5. |
The primer was
then light-cured for approximately 30 seconds using a standard curing
light. |
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| 6. |
Integrity Bis-Acryl
Temporary Material (from Dentsply Caulk) was applied directly into
the inside portion of the crown shell and seated onto the prepared
tooth into the required position. (Figure 11) |
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Figure
11 |
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| 7. |
The Bis-Acryl
material was allowed to set following manufacturer's guidelines.
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| 8. |
Finish the crown
with an acrylic bur or rubber wheel, polish and cement. (Figure
12) |
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Figure
12 |
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