Zirconia – HT
Overview: Zirconia High Translucent (HT) offers superior strength (>750 – <1250 MPa) and exceptional translucency compared to porcelain-fused-to-metal (PFM) restorations. This 100% metal-free option prevents gingival darkening and metallic margins, providing a natural appearance that blends seamlessly with adjacent teeth.
Features:
- Superior esthetics with lifelike translucency
- High strength and biocompatibility
- Low thermal expansion
- Non-Feldspathic porcelain
Benefits:
- Reliable and long-lasting
- Promotes healthy tissue
- Natural opalescence
- Hypoallergenic and versatile
Indications:
- Suitable for anterior and posterior crowns and bridges up to three units
Contraindications:
- Not recommended for inlays/onlays or veneers due to margin visibility
- Avoid in orthodontically compromised cases
Preparation:
- Posterior Crowns:
- Gingival Third: 1.0 mm
- Axial Walls/Cusp Tips/Central Groove: 1.5 mm
- Anterior Crowns:
- Gingival Third: 1.0 mm
- Incisal Third: 1.2 to 1.5 mm
- Palatal: 1.2 mm
Cementation:
- Use standard cementation techniques