Clinical performance of CAD/CAM-manufactured crowns - a comparison between virgilit-reinforced lithium disilicate and zirconium oxide ceramics

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00035031

Enrollment

Registered

2024-09-06

Start date

2024-09-19

Completion date

Unknown

Last updated

2026-03-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

K02.8

Interventions

Group 1: Survival and success rates of crowns made of virgilite-reinforced lithium disilicate ceramic (Cerec Tessera) will be examined and technical and biological complications will be recorded based

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Adult patients capable of giving consent who received at least one CAD/CAM-manufactured crown made of virgilit-reinforced lithium disilicate ceramic (Cerec Tessera) or zirconium oxide ceramic (Katana Zirconia) in the Department for Preventive Dentistry, Periodontology and Cariology between January 1st, 2020 and August 31st, 2026. - The crown was inserted at least 24 months ago - Patients who present to the department in person

Exclusion criteria

Exclusion criteria: - Impossible dental treatment due to poor general condition of the patient - Need for antibiotic protection due to general illnesses (e.g. endocarditis prophylaxis)

Design outcomes

Primary

Measure	Time frame
One-time clinical follow-up examination, at least 24 months after insertion of the restoration.	—

Secondary

Measure	Time frame
100 restorations in around 80 patients	—

Countries

Germany

Contacts

Public ContactTim Hausdörfer

Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie der Universitätsmedizin Göttingen

tim.hausdoerfer@med.uni-goettingen.de+49 551 39 60884

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 14, 2026