Key Considerations and Applicable Scenarios
Applicable population (Preferred) :
Implant restoration in the aesthetic area of anterior teeth (especially for those with thin gingival biological type, high smile line, and high risk of gingival recession).
Patients who are allergic to or have doubts about titanium metal.
Patients (actors, public figures, etc.) who pursue the ultimate natural beauty.
Single/small-scale repair (with high technical maturity).
Use with caution/Situations requiring personalized assessment:
Repair of large-span bridge structures (long Bridges) : The toughness of zirconia is lower than that of metals, and the bite force needs to be strictly evaluated.
Patients with severe bruxism or excessive bite force: Careful design is required (increase the bite space, consider titanium alloy screws).
Poor bone conditions/unsatisfactory implantation angles: Highly personalized abutment design is required for compensation.
Deep bite/extreme insufficiency of vertical space: may limit the thickness of the material.
The key to clinical success that must be emphasized:
Precise implantation position and Angle: These are the prerequisites for the success of zirconia repair.
Adequate soft tissue healing and shaping: It is recommended to use temporary restorations for gum shaping.
Scientific design and processing
Base: Ensure sufficient diameter and taper of the connection part to avoid weak design; The neck is smooth and polished.
Crown: Avoid being too thin (especially on the occlusal surface); Control the proportion of surface porcelain (full zirconium crown or ultra-thin surface is recommended).
Standard bonding/screw retention:
Bonding: Thoroughly clean the zirconia surface (sandblasting + special cleaner), and use resin cement containing MDP.
Screw retention: Strictly follow the torque. Resin-sealed screw channels are recommended.
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