4. Major requirement:
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More amount of tooth reduction
areas Metal veneered with ceramic.
Place for - Metal
- Porcelain
Sufficient bulk.
- Mask metal.
- Esthetics.
11. Contra indications
• Patient with active caries.
• Untreated periodontal diseases.
• Young patients with large pulp chambers.
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Risk of pulp exposure
- Porcelain laminates.
- Composite laminates.
12. • If more conservative restoration is possible.
• Long Spans.
• If facial walls are intact.
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Partial veneer is possible and favorable.
13. Advantages
• Strength Good, compared to all ceramics
• Mimic natural appearance Characterization
• Good retention All axial walls are included.
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Reinforcement and support to brittle ceramic.
stains Intrinsic
External.
14. Disadvantages
• More amount of tooth removal.
• Facial margins often Subgingivally
• Inferior esthetics compared to all ceramics.
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PDL disease
Margins supra gingivally esthetics not a problem
Indicated:
44. Variants
• Wing less preparation.
05/21/16 Free Template from
Brainybetty.com
44
No definite Trancession from chamfer to shoulder
Shoulder gradually narrows lingually.
45. Prevention of trauma to pulp
• Adequate coolant while preparing
( copious irrigation ).
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• Intermittent strokes Preparation.
46. • Care while preparation of Subgingival
margins
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• Permanent gingival recession.
47. Finishing
• Smooth glass like / satin like finish.
• Rounden all line angles.
• No scratches marks.
• Use gingival retraction.
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