A ceramic crown with a zirconium oxide substructure placed over the tooth. It is preferred as an alternative in patients with metal allergy and provides a natural appearance and durability.
Indication
- Restoration of teeth with extensive structural loss
- Protection of the tooth after endodontic (root canal) treatment
- Teeth with esthetic problems due to discoloration
- Patients in whom metal-based crowns cannot be used due to metal allergy
- Teeth to be used as bridge abutments
- Implant-supported crown applications
Preparation
- Detailed oral examination and digital/panoramic X-ray
- Evaluation of gum health; dental scaling if needed
- Caries treatment is completed first if cavities are present
- Need for root canal treatment is evaluated if tooth vitality is questionable
- Natural tooth shade is determined for color selection
How it's performed
- Local anesthesia is administered
- The tooth is reduced by approximately 1-1.5 mm in shape suitable for the crown (preparation)
- Tooth impression is taken with a digital scanner or traditional impression
- A temporary crown is placed until the permanent crown is prepared
- The zirconia crown is produced in the laboratory using CAD/CAM technology
- After fit verification, the crown is bonded to the tooth with a special cement
Post-procedure
- Hot-cold sensitivity may occur for the first few hours after cementation
- Avoiding hard and sticky foods for the first 24 hours is recommended
- Brushing twice daily and using dental floss
- Check-up and professional cleaning at least once a year
- A night guard is recommended if there is teeth grinding (bruxism)
Risks
- Temporary gum sensitivity after cementation
- Rare wear on opposing teeth
- Very rare fracture or cracking (especially under inappropriate forces)
- Visibility of the crown margin due to gum recession
- If fit is problematic, the crown may need to be replaced
FAQ
How durable is a zirconia crown?
With proper care, it can be used for 10-15 years or more. Oral hygiene and regular check-ups directly affect its longevity.
What is the difference from metal-based crowns?
It does not contain a metal alloy; therefore, no gray-purple color reflection occurs in case of gum recession. It is also suitable for patients with metal allergy.
Is the procedure painful?
Pain is not felt during tooth preparation thanks to local anesthesia. There may be temporary sensitivity afterwards.
How many sessions does it take?
It usually takes 2-3 sessions; about 5-7 days are required between impression and try-in for the laboratory process.
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